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PC BIOS Settings 

ExplainingComputers
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28 сен 2024

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Комментарии : 770   
@amancalledoss38
@amancalledoss38 5 лет назад
This is a perfect video , I know so many people who are quite comfortable using their PC or laptop but are filled with horror having to open up the BIOS so I've added this to my watch list called "save me diesel" that I can direct people to when I get that phone call which starts out ,"hey not seen you in ages fancy popping round for a cuppa" which translates really to " something has gone wrong with my computer and I don't want to fork out more than a cup of coffee to fix it" Thanks Chris
@mikaelgaiason688
@mikaelgaiason688 5 лет назад
lol, I'm a mechanic. I feel you "Hey man, hows it been? Long time no see." "It's been good, how about you? Hows the car running." It's easier for me to just ask right up front. That way I don't have to watch them squirm trying to work it into the conversation. Someday I'm going to send everybody bills. Or tell them to actually learn a useful skill they can trade with.
@amancalledoss38
@amancalledoss38 5 лет назад
@@mikaelgaiason688 you are a better person than me lol , when I get that call from a "friend" I havent heard from in 6 months I want them to work for it . I have a friend who works for the RAC just down from me that poor guy works 10 hour days in all wethers then usually has 3 to 4 cars parked on his drive or outside his house at any given time all waiting from mates who just want him to take a quick look at their car so I know how you guys feel too
@kvanku
@kvanku 4 года назад
I know this was a year ago but it’s useful because I built my first pc with my dad and it helped me a lot!
@robertbethune6669
@robertbethune6669 4 года назад
This is so cool.
@gabay1953
@gabay1953 3 года назад
In two words - well done, it's a shame there are no more like you on the net Thank you
@ahmaddiamond7
@ahmaddiamond7 4 года назад
PERFECT EXPLANATION! I honestly wanted the video to be longer. His easy and fluid way of explaining make me want more without getting bored or confused or lost! thank you sir💙
@ExplainingComputers
@ExplainingComputers 4 года назад
You're welcome!
@KTHKUHNKK
@KTHKUHNKK 3 года назад
@@ExplainingComputers Plus you are brilliant as usual. Keith Kuhn
@resrussia
@resrussia 5 лет назад
Thanks for a very lucid introduction to BIOS/UFEI and how to set the options. I remember the day when there were no BIOS settings - settings were hardware based using DIP switches or jumpers on either the component or the motherboard. Your explanations as always are clear, and like how you encourage users to explore how to set BIOS including giving information to how reset the settings. Keep up the excellent work!
@cdl0
@cdl0 5 лет назад
One more thing . . . . . be aware that manufacturers normally provide updates to BIOS versions which may fix faults, improve security, or provide support for new hardware. Instructions for how to install a new BIOS will be found in the relevant manual.
@matthewstuart2054
@matthewstuart2054 3 года назад
Disappointed I only just discovered this treasured channel but very grateful I eventually did.
@shakti999
@shakti999 5 лет назад
I have several old computers, desktop and laptop. I want to clean/erase the hard drives, but have found doing so to be mystifying . Could you/ would you be so kind as to make a video about that, tools free and how to use them, especially creating images on usb drives,? I think many people would benefit and be served by such knowledge . I think such a video by you would prove very popular too. Thanks, hope to see it.
@ExplainingComputers
@ExplainingComputers 5 лет назад
Very good video idea; noted.
@dougholtz
@dougholtz 4 года назад
an additional comment. on newer uefi machines, one needs to enable the TPM chip and set an admin password on that uefi bios before they encrypt their hard drive with Bitlocker. there are some "gotchas" using bitlocker and TPM, especially if you are changing hard drives or upgrading versions/new installations of an O/S after enabling bitlocker. returning the machine to a non-encrypted hard drive and clearing the TPM seems necessary. maybe you've covered this in another video.
@ShaidaMuhammad
@ShaidaMuhammad 5 лет назад
Best Video Ever Explained Respect from Pakistan.
@ExplainingComputers
@ExplainingComputers 5 лет назад
Thanks.
@ShaidaMuhammad
@ShaidaMuhammad 5 лет назад
You are truly welcome Sir
@mikehaldane4061
@mikehaldane4061 3 года назад
Brilliant, I am thinking of building my own computer and this vlog provides the type of information that it is important to know about.
@wee535
@wee535 2 года назад
Glad to see Will from Stranger Things is doing good
@rabhihaythem9490
@rabhihaythem9490 3 года назад
As someone said " This channel is a real mine gold "
@DrFunFong
@DrFunFong 11 месяцев назад
I was needing a video that focused on the different technology switch choices such as the AWARD IDE vs ACHI switches and their impact on more modern peripherals such as NVMe drives. Also had to understand the difference between PIC/PEG/PEG2 switches on AWARD BIOS. I asked BARD and got answers I needed.
@GeoffreyWoolfendenbonbon
@GeoffreyWoolfendenbonbon 5 лет назад
Another excellent video Chris , anyone thinking of building a computer for the first time this should be near the top of videos to watch.
@robertfletcher3421
@robertfletcher3421 5 лет назад
Great one Chris. I have just been in and changed my XMP settings to On. As I don't play games and no interest in overclocking I tend to leave things at default. BIOS documentation is often confusing. Some follow up to this would be great.
@jonathanmaybury5698
@jonathanmaybury5698 5 лет назад
Thanks Chris, This is an awesome video that everybody that has a computer should watch at least once, I am so glad that you took up the challenge for my request to teach us about the UEFI BIOS I learned three things that I did not know before and one of those will be a big boost to my computer that until now I did not know existed, are you planning on a part 2 bios insight? if so I and many others would be so grateful. Thank you- Thank you-Thank you-Thank you-!!!!
@twmbarlwmstar
@twmbarlwmstar 5 лет назад
Like a mine field with UEFI I think, so much to play with and it seems every PC is different much more than every BIOS was different. Chris made it interesting though, which is not something we'd normally say about a BIOS- most will never see it. Maybe the Bios of a Pi.... (don't think they have one?).
@john20100
@john20100 5 лет назад
@@twmbarlwmstar I think they must do in some shape or form otherwise you would have nothing to write into or read out of.
@twmbarlwmstar
@twmbarlwmstar 5 лет назад
@@john20100 Read out of my PI?
@MicrobyteAlan
@MicrobyteAlan 2 года назад
Okay I’m here, thanks for the information. 👍 I’m now booting from Zorin removable disk. Loading in progress.
@ExplainingComputers
@ExplainingComputers 2 года назад
Excellent! :) Good luck.
@patvb3243
@patvb3243 Год назад
Thank you so much, this is GREAT info for a basic user like me!
@ExplainingComputers
@ExplainingComputers Год назад
Thanks for watching. :)
@muhammadnurazlansaadon1504
@muhammadnurazlansaadon1504 5 лет назад
Great.... i learn bios because... setting date and time, sata configuration as.. and more.....
@waburden
@waburden 3 года назад
Excellent work! Everything well explained and in the correct order. Thank you Chris!
@MrNeuroamante
@MrNeuroamante 5 лет назад
Muchas Gracias Mr. Barnat muy ilustrativo el video su canal es único en su clase
@d3stinYwOw
@d3stinYwOw 5 лет назад
Classical BIOS can be graphical, too. Some older pc's had graphical bios with mouse support and C2D-era Dell laptops have graphical BIOS.
@ENZEEVIDS
@ENZEEVIDS 5 лет назад
good video! no twaddle, succinct and well explained so even a dummy like me can understand. thanks!
@j.jwhitty5861
@j.jwhitty5861 5 лет назад
Never call yourself a 'dummy', I remember my first day in College and a professor saying 'the most complicated Computer in the know Universe is inside your head, Machines are easy', a subtle paradox ignorance perhaps since his IQ was off the radar but you get his meaning? We are all just learning :)
@ENZEEVIDS
@ENZEEVIDS 5 лет назад
@@j.jwhitty5861 you're a warm and kind human being bro ;]
@ExplainingComputers
@ExplainingComputers 5 лет назад
I agree with @J.J Whitty -- never under rate yourself! :)
@apoch003
@apoch003 5 лет назад
Great video, Chris. As usual!
@supremelawfirm
@supremelawfirm 5 лет назад
I strongly suspect that Christopher is an angel in disguise: he uses a custom version of Photoshop to erase his feathered wings from the background.
@dougieroberts7045
@dougieroberts7045 2 года назад
Excellent, I learned a few things there, great video, well explained
@leepshin
@leepshin 5 лет назад
I hope you intend to make another video that goes deeper into these UEFI settings Chris as you barely scratched the surface on this subject. All I got from this was you giving it a light touch with a feather duster for fear of blowing the world up. lol
@ExplainingComputers
@ExplainingComputers 5 лет назад
I always have to make a choice on the level of material, and can never please everybody! :)
@KimQuiNguyen-n1i
@KimQuiNguyen-n1i Месяц назад
very informative, thank you very much
@samuelschwager
@samuelschwager 5 лет назад
There are people turning the UEFI into a NERF (Non Extendable Reduced Firmware), especially for servers, because of all the security bugs in the Intel Management Engine. I hope this catches on.
@Felix-ve9hs
@Felix-ve9hs 5 лет назад
lol i just read "NERV" instead of "NERF" ... BTW, is the EEPROM running in some kind of ROM mode to achieve that?
@samuelschwager
@samuelschwager 5 лет назад
@@Felix-ve9hs It's a bit more involved than that. You basically have to replace the firmware: trmm.net/NERF
@JasonCarlson
@JasonCarlson 5 лет назад
One of the best Easter vids available!! Thanks!!
@theldun1
@theldun1 5 лет назад
No mention of bios flashing or upgrading....? Otherwise well done!
@bigpickles
@bigpickles 5 лет назад
Opens a can of worms
@johanb.7869
@johanb.7869 5 лет назад
Very informative and thanks for making this.
@markhandrahan4520
@markhandrahan4520 5 лет назад
Happy Easter Chris! Another fantastic video as usual. I noticed this subject took quite a while to put together. One date was Ash Wednesday (shown in USA format) then another with the YYYY/MM/DD format for 12 April. Is this format changable? Have a great day
@ExplainingComputers
@ExplainingComputers 5 лет назад
This video was indeed produced over a large period of time, in part because I needed to capture video from the Ryzen PC when I still had it. :) I would have to check on the date settings.
@patricktrakzel9657
@patricktrakzel9657 3 года назад
Normally your GPU ( on the graphics card ) will be the hottest thing in your pc, not your CPU. However if you have/use onboard graphics your CPU will be the hottest thing in your pc. But as always a great informative video.
@TheNZJester
@TheNZJester 5 лет назад
I changed a couple of my SATA ports in my BIOS to an eSATA mode (I think it called it something else) and have them plugged into a removable drive bay sitting in one of my 5.25" bays that takes a 3.5" and 2.5" hard drive in it at the same time. I have my auto backup drive sitting in the 3.5" bay most of the time but can without turning off my computer tell Windows to eject it so I can pull it out and swap it over to another drive, normally when I am trying to retrieve files for someone who's computer will no longer boot. I have a second drive I use to make a full dump of my boot drive on from time to time whenever I install any software that requires registration. If my boot drive goes down I can replace it and reimage a new drive with the backup and have my other backup drive that backs up regularly so I would lose very little if my drive did fail. I used the 2.5" bay to backup my old laptop HD and have had to use it to stick a backup of the boot drive onto a new HD when the one in the laptop actually died. I keep my spare internal drives in protective cases when not in my removable HD bay.
@arnoldstrassenhoufe6174
@arnoldstrassenhoufe6174 2 года назад
Great video, thanks John Lennon.
@ExplainingComputers
@ExplainingComputers 2 года назад
Welcome.
@Tiger351
@Tiger351 5 лет назад
I'm not sure if you've made a video on re-flashing of BIOS chips on the channel previously, if not you should consider it for a future video. The motherboard manufacturers websites do not always explain the instructions for carrying out this operation in an easily understandable manner (of course we know that each manufacturer's products are different so that might make things difficult).
@ExplainingComputers
@ExplainingComputers 5 лет назад
Good video idea, noted.
@jbthomas2592
@jbthomas2592 4 года назад
Thank you for an excellent explanation!
@ExplainingComputers
@ExplainingComputers 4 года назад
You're very welcome!
@dustmighte
@dustmighte 3 года назад
Really like these videos thank you for not voting for brexit
@gentarofourze
@gentarofourze 5 лет назад
One thing that annoys me even on many modern bio's is the lack of option to disable individual drives, I don't want a bootloader overwriting another if I dual boot as that can cause problems or I may want to format one drive but that would break a dual boot bootloader so I want to disable a drive in bios so it doesn't overwrite when installing!
@chuckm3c2
@chuckm3c2 5 лет назад
I'm curious, how do you even do the video capture your use of these various BIOS settings? Is it via some sort of VGA cabling or is it some sort of VirtualPC rig? Really impressive and comprehensive run through mate well done.
@ExplainingComputers
@ExplainingComputers 5 лет назад
Thanks for this positive feedback. All video capture is done in hardware using HDMI recorders -- I show what I use in this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-pocs02YuJ4k.html I also use a VGA to HDMI adapter to record from older PCs.
@chuckm3c2
@chuckm3c2 5 лет назад
@@ExplainingComputers That professional gadget is fantasic bit of kit. Thanks for taking the time to respond with this explanation. I have a family sized collection of old tech that I am loath to dispose of, mobile phones; old laptops and tons of cables and adaptors. Are you looking for anything I can let you have. Cheers.
@ExplainingComputers
@ExplainingComputers 5 лет назад
Thanks for this. I may be in touch! :)
@bilimsanatduzen2074
@bilimsanatduzen2074 2 года назад
this bro' phenotype is summurize of a computer learning technology -white -americoangosaxon -thick glasses -flat hair
@leecalton7034
@leecalton7034 5 лет назад
Good video informative
@pulesjet
@pulesjet 5 лет назад
More Good Stuff Sir. Thank You.
@meowthx1985
@meowthx1985 5 лет назад
Chris, did you had problems controlling your BIOS menu or if your USB Keyboard and Mouse failed to be detected, to control the UEFI menus as well as Legacy BIOS with those input devices? Because not also I prefer PS/2 keyboards, but also how some motherboards or maybe most older motherboards don't have the important USB I/O Drivers - as well think to yourself, "Did I press the correct key, or was I too slow?" Besides the PS/2 Interrupt Rate does respond faster than USB Polling Rates - as you know already, but the viewers may haven't known that. I know we mustn't unplug and replug our PS/2 Ports too often as they aren't hot swappable. And of course our Council offices don't really have that many USB Keyboards with those fancy RGB lighting, but most of them use the HP PS/2 keyboards with a formal design as well ones that are more ergonomic than the older IBM Model M Keyboards. Also those Cherry MX with the PS/2 adapter keyboards doesn't seem too bad and feel okay - especially for pressing like the [F12], [DEL] or the [Esc] key to load BIOS menu.
@gomariussmith
@gomariussmith 3 года назад
Very comprehensive video. I appreciate how you always dumb it down for non-IT professionals and give some much needed history lessons as well! I have Gigabyte Aorus z490 master rev1.0 motherboard, that has 3 x M.2 pcie slots. I bought a firecuda 520 ssd, which didn't perform to specification. Then bought a Samsung 980 pro, but seems my samsung 980 pro nvme ssd can't read / write faster than 3Gb/s, but should be able to do double that rate. Is there settings in Bios that need to be enabled to utilise Gen 4 drives' full capability or is there another factor that should be considered why I don't achieve my ssd's best performance?
@abloke7212
@abloke7212 Год назад
Gigabyte Aorus z490 master rev1.0 motherboard - All of the PCI Express slots conform to PCI Express 3.0 standard. Samsung 980 Pro has PCIe 4.0 interface while being backward compatible for PCIe 3.0 for added versatility.
@ram10rod
@ram10rod 5 лет назад
thank you Chris for the great information
@bensonmum7938
@bensonmum7938 3 года назад
The trouble with the BIOS is that it is full of options but most people don't know what half of them do. Do you want to interlace or enable/disable your fiddlydums? etc.
@lareemcra347
@lareemcra347 2 года назад
PC's are frustrating. My old Optiplex 960 was freezing and crashing, so I put in 4 new RAM modules. Fixed the problem, but on reboot the mouse no longer works in the legacy BIOS system settings, so I can't modify them. Also my old PS 2 keyboards that I like no longer work. Seems that Windows 10 changed a few things which the Gates folks are famous for doing.
@ogharry2120
@ogharry2120 4 года назад
This guy look like the coolest grandpa ever
@Amy_Price
@Amy_Price 3 года назад
LiKe^^) Interesting & easy even for noobs... although I am a specialist, but for me there are new little tricks) Good luck)
@PeteTully
@PeteTully 2 года назад
peter tully thanks lyou make itso much beter explaining com thanks
@jeongyeonshi
@jeongyeonshi 2 года назад
I came here cuz I needed some help... I got my windows installed by a friend of my mom's ex and he ruined my laptop in the bios apparently..., he even put a password that I don't know... it would be so helpful if manufacturers made something so you can reset your bios password without taking out the cmos battery
@leecalton7034
@leecalton7034 5 лет назад
Good video informative
@48467664
@48467664 2 года назад
you look like Bill gATES
@Felix-ve9hs
@Felix-ve9hs 5 лет назад
I still love the white, black and blue style of the "legacy BIOS", the modern UEFI GUI's look so cluttered in comparison
@user-qf6yt3id3w
@user-qf6yt3id3w 5 лет назад
UEFI Bioses are ugly but I like the way I can launch a UEFI shell and list files on an NTFS filesystem on a RAID array of NVMe drives on a UEFI system and have it work. Another interesting thing about UEFI is that it means Intel and AMD could at some point get rid of Real Mode in the CPU completely and have it boot up in x64 Long Mode. Virtual x86 and 16 bit mode has already been killed off on x64 systems. I could see modern CPUs booting into 64 bit x64 long mode but supporting 32 bit applications for a while and eventually getting rid of 32 bit support too. Getting rid of support for 32 bit application will take a long time though - support for 16 bit applications was around right up to the point 64 bit applications started to be supported. UEFI is a mixed bag, but you can see it has enabled support for things that would have been hard to support with legacy Bioses. In the future it will allow a lot of legacy stuff to be potentially dropped.
@fnjesusfreak
@fnjesusfreak 5 лет назад
AMI's Aptio looks a lot like classic BIOS.
@elimalinsky7069
@elimalinsky7069 5 лет назад
I've seen some UEFI interfaces that mimic the old BIOS interfaces. I too find the old DOS-era interface much more pleasant to the eye, readable and I would even say more logical and easier to use in how the menus are arranged.
@Z098
@Z098 4 года назад
The older Bios interface take up less space than the graphical UEFI interfaces. So the graphic means losing other features, unless the motherboard has higher than normal amoutn of storage for UEFI.
@yellowmarshmellowpuffnob6922
@yellowmarshmellowpuffnob6922 2 года назад
Yeah I wish they made a UEFI bios that all old bios users can understand
@MarkTheMorose
@MarkTheMorose 5 лет назад
EC videos: as satisfying as Easter chocolate, but better for you.
@skakdosmer
@skakdosmer 5 лет назад
One does not exclude the other.
@mightymeowmixcat2370
@mightymeowmixcat2370 5 лет назад
It's better to eat a chocolate computer than a metal one, dummy!
@CaveyMoth
@CaveyMoth 5 лет назад
@@mightymeowmixcat2370 I only eat properly cleaned metal computers.
@diablonerd9612
@diablonerd9612 4 года назад
@@mightymeowmixcat2370 r/woooosh
@raphaelcharlespinon
@raphaelcharlespinon 5 лет назад
As early as now. I am teaching my kids about technology. Since I am a technology migrant, they should know more than me. These videos of yours are very helpful. Keep up the good work! ♥
@chriholt
@chriholt 5 лет назад
I'm not BIOS-phobic, but this was still a very well-presented lesson, and would be helpful to those who may be hesitant to even take a look at what the BIOS is all about. Thanks as always!
@santaclase3410
@santaclase3410 Год назад
Thankget well everbody 🥰🥰🥰s forn sharing🥰🥰🥰Thanks forn sharing🥰🥰🥰 ReSet🥰🥰🥰369
@DrNPCabd
@DrNPCabd 5 лет назад
Great video Chris, you are my PC building guru!!! A suggestion for a next video, what I consider the forbiden fruit: PC drive encryption, how to manage it. Title suggestion: "drive encryption for dummies." My best regards, Sir.
@ExplainingComputers
@ExplainingComputers 5 лет назад
Good video idea, noted.
@R.-.
@R.-. 5 лет назад
Happy Easter! I wish single-board computers. phones and tablets also had a UEFI BIOS, so one Operating System image would install on any device that has a compatible CPU. The BIOS is one thing IBM got right. All these devices today are way more powerful than the original IBM PC. A flash BIOS could be integrated into the CPU chipset, to avoid the need for any extra circuitry on the main board.
@povilasstaniulis9484
@povilasstaniulis9484 5 лет назад
Early UEFIs had text-based UI, very similar to that of old legacy BIOSes. The earliest UEFI that I've seen looked like a legacy BIOS with "UEFI Boot" option added as an afterthought (IIRC, that system had a Pentium 4 or Core 2 in it). Nowadays, most desktop board manufacturers just use AMI's Aptio UEFI BIOS and put their own UI on top of it. @6:46: There's an EFI boot option for the CD drive. This is probably not a legacy BIOS but an early UEFI. I bet it would be able to boot from EFI-formatted HDD as well. @9:20: Not entirely true. Secure Boot isn't vendor locked. You can boot any OS as long as it's bootloader is signed with a trusted key. By default, most BIOSes come with only Microsoft's keys in their keystores, but you can easily add your own keys. Also, modern versions of Ubuntu (and probably Linux Mint as well) come with signed bootloaders which can boot with Secure Boot enabled without any modification.
@yash1152
@yash1152 2 года назад
> _"but you can easily add your own keys"_ how??
@BabyShark__007
@BabyShark__007 9 месяцев назад
Thank you 🙏 Bios was such a messy place to explore for me but now i have a confidence 😊
@bertvantol9669
@bertvantol9669 5 лет назад
GREAT !!! As BIOSes become more and more complex, the need for explanation is increasing. Here is where the manufacturers fall short in their explanation to the user, with the result that many people never reach the optimal settings.
@ExplainingComputers
@ExplainingComputers 5 лет назад
Today even many motherboard manuals do not include BIOS settings! What you say is so true.
@bertvantol9669
@bertvantol9669 5 лет назад
Yes and that is bad because good BIOS settings are important
@Kevin-mx1vi
@Kevin-mx1vi 5 лет назад
Another clear and informative video ! As an overclocker who is used to tinkering with the BIOS or UEFI settings, I'm not fazed by doing so, but it's a potentially hazardous and confusing subject for most people. I hope this video will help them. 😃
@twmbarlwmstar
@twmbarlwmstar 5 лет назад
I find it easier with the AMD and UEFI these days? Just a standard overclock for the AMD chips (well I don't know about threadripper, I don't have that sort of money). Intel are a bit more involved
@hubbaba
@hubbaba 5 лет назад
Wow, I have had DDR4 ram for 3 years and it was set in the BIOS to DDR3. Just tweaked and now I'm at 2400. Thank you very much! I never would have known this otherwise.
@gusgone4527
@gusgone4527 5 лет назад
@@AnOliviaShapedGremlin Probably a silly question but have you checked if the memory modules are compatible with your specific motherboard? Just a thought.
@gusgone4527
@gusgone4527 5 лет назад
@@AnOliviaShapedGremlin Try asking Corsair.
@abdulhamidrafsan5073
@abdulhamidrafsan5073 4 года назад
I have,cmos setup utility copyright (c) 1984_2011.how to increase grapic card vram by it
@byonbill9499
@byonbill9499 5 лет назад
I have been using PCs and their BIOS for almost forty years and this info is still useful, THANKS Chris
@CaelThunderwing
@CaelThunderwing 5 лет назад
well not *ALL* Legacy BIOS haveto be Text based, i've had a few vintage PC's where it was GUI,not in the like we have in Modern UEFI bios' but, much like viewing the Windows 3.1 "Program Manager"-esque, just legacy bios interfaces evolved to be sleek and nearly unified to what it is to the last few kinds we had before UEFI's
@johntrevy1
@johntrevy1 5 лет назад
Those tended to be very limited in settings though.
@PM-io9fq
@PM-io9fq 5 лет назад
And before your bios, your mainboard, starts 2 or 3 operating systems, this is just known, because it is a place to hack a mainboard without the bios/windows knowing of it.
@john_turner
@john_turner 5 лет назад
American microtrends is completely keyboard based bios without cursor but is UEFI. I think they are the only ones left I have seen that don't let you use a mouse cursor
@matthewcalifana488
@matthewcalifana488 5 лет назад
User Eletronic Fuel Injection Basic Input Output System . i still have a legacy bios , oh well it works !
@habtamusium8646
@habtamusium8646 2 года назад
before this vid, i used to fear to touch bios part for i know my gap in programming , but now i get interesting to learn more , thanks !
@johncnorris
@johncnorris 5 лет назад
I'm curious if anyone considers the legacy term CMOS settings (complementary metal-oxide-semiconductor) is ubiquitous for both BIOS and UEFI? It has been used for years to describe where and how the configuration is stored but not the user interface.
@ExplainingComputers
@ExplainingComputers 5 лет назад
I would see CMOS settings as ubiquitous. :)
@MarkTheMorose
@MarkTheMorose 5 лет назад
You made the briefest mention of drive encryption. I'd find a video on that subject interesting, and potentially useful (so that my plans for world domination are not discovered). Like all self-respecting super-villains, I use Linux (from the safety of my extinct volcano). Thanks! Choose your next witticism carefully, Mr Scissors: it may be your last...
@skakdosmer
@skakdosmer 5 лет назад
No volcanos are extinct - only dormant. (And when I press this button...)
@twmbarlwmstar
@twmbarlwmstar 5 лет назад
@@skakdosmer Snowdon is an extinct volcano
@skakdosmer
@skakdosmer 5 лет назад
It may have been asleep for a very long time, and it may stay that way for thousands of years still. But some day it will erupt again. Perhaps even next month.
@twmbarlwmstar
@twmbarlwmstar 5 лет назад
@@skakdosmer The tectonic plates have moved, Snowdonia wasn't in Wales when it was volcanic, because Wales didn't exist. Snowdonia was near the equator. Also the mountains are the plugs of material leftover from volcanos so they haven’t been volcanos for a very long time because they have moved away from volcanic activity regions (and those regions have themselves changed). Therefor volcanos can become extinct, because the tectonic plates move over time. The Brecon Beacons would have been islands, because there was a massive sea level rise, they are very old which is why they are so rounded off. They go back to the Silurian period, really old. We know they were mainly under water because we find fossils in the mountains that are of sea creatures.
@skakdosmer
@skakdosmer 5 лет назад
The plates have moves, yes. But the mountain has moved with them, hasn't it? So that shouldn't make any difference.
@sabinmircea1715
@sabinmircea1715 2 года назад
Hello , i have a problem with my BIOS user since I created another user from the administrator and I can no longer access settings of any kind. What should I do? I can't seem to delete the user created either. Please help me!
@ExplainingComputers
@ExplainingComputers 2 года назад
If you have made changes as an administrator, you will have to log in again as an administrator to make further changes. Good luck! :)
@saleh3521
@saleh3521 Год назад
I have a comment about 10:25. XMP always existed. Before UEFI became the new BIOS standard. You could enable XMP on BIOS legacy on an Intel Lynnfield processour. More than 13 years ago
@bosunhiggs9708
@bosunhiggs9708 5 лет назад
In my travels I've learned that any BIOS/UEFI password can be reset-if you know the manufacturer's code. That code could be any combination of things, like changing the date on the clock, then rebooting while holding certain keys as you stand on one foot facing north.
@mattparker9726
@mattparker9726 4 года назад
@ExplainingComputers One thing I want to ask you in advanced bios on my HP OEM (which I got to by pressing control f10 for anyone with an HP OEM system) in order to see if I could disable a whitelist on my x16 pcie slot in order to start using my new GPU, there is an option called "Slot Security" it can be enabled and disabled, and the 16x slot is there. When I previously tried to install the card (a 1650 super) the pcie slot didn't even power on. That's how I learned of the whitelist. By disabling this 'slot security' on my 16x slot, would this remove the whitelist and allow me to install the card? OR would it simply disable the slot in it's entirety? Thanks Christopher.
@1701Wren
@1701Wren 5 лет назад
I have installed Linux Mint on my laptop with secure boot switched on but I had to disable it to run virtual machine
@d3stinYwOw
@d3stinYwOw 5 лет назад
And last - Secure Boot don't give you security at all + BIOS Password nowadays can't be removed with CMOS reset.
@twmbarlwmstar
@twmbarlwmstar 5 лет назад
Could you clarify, I find that Secure Boot very much stops OS being installed if they aren’t approved by the OEM? I remember Linux having issues when it was first implemented because it was effectively being used to impose Windows (8). So you’d have to try a fair few different strategies to get your distro installed. Like I said I just had fun and games with a Zotac Mini PC because of this, circa 2011 I think. Early uEFI that really wouldn’t let me do much. I’d like to pretend I sorted it out with skillz but I think in the end it was just random luck. I did reset the CMOS, I managed to install Chromium by Cloudberry that runs from a USB 3 but that wasn’t a solution. Google wasn’t any help and it was mainly full of people asking for help with the same problem- I should really have written down what I did to solve the problem, but given I spent a week on it I tried a lot of different ideas. It seems those early UEFI were different to modern ones, which don’t cause me problems. The sort of problems I had were the storage recognised but not accepted (hard to install anything) Legacy wouldn’t work, even with a W7 clean HDD install. A BIOS update just made the Wi Fi and graphics a bit better and I think that was 2015, the last update. I noticed these Zotac boxes go cheap on eBay, probably because they are a PITA to modify- at the same time most of them were sold as bare bones so they can’t have been that locked down- unless I just got unlucky and got one sold to enterprise? I admit I lack experience, I tend to VM Linux on W10 or I’m using Pi (which doesn’t have a BIOS, it has a config file that you can see in Windows).
@d3stinYwOw
@d3stinYwOw 5 лет назад
@@twmbarlwmstar OEM Approval don't mean anything, if everything signed with X.509 certificate can be booted. Linux had problems because of lack X.509 signing the kernel which you can do yourself if your distro don't ship with signed grub and kernel.
@twmbarlwmstar
@twmbarlwmstar 5 лет назад
@@d3stinYwOw Then why aren’t we all getting malware infected in the BIOS if this is so simple? It was simple with a BIOS, because the BIOS would boot anything, but UEFI and Secure Boot stops that? I thought the major distros just signed up with MS and got put on the secure boot list, because at the time it wasn’t a big thing as W7 didn’t accept secure boot anyway (and it was the major OS). I installed Mint because I could see it would Secure Boot, as would quite a few other distros (the main ones essentially), that was after I did the BIOS update. wiki.debian.org/SecureBoot That link above says MS oversee Secure Boot? At the same time I think UEFI has changed since 2012, I have this Zotac which like I say has something that is a UEFI but looks and acts more like a BIOS, then PC’s every few years up to 2018. It seems like the UEFI is more relaxed these days than it was with the Zotac, and it seems like that has a lot to do with W10. The Zotac BIOS just tries to lock everything down and refuses things it doesn’t like- for example the W7 HDD. It can see it but it will not boot from it even in Legacy. Anyway I have another PC still in its box in the hall, so I will be saying hello to that UEFI soon, W10. There’s so many OS that are on the Secure Boot list now that it sort of doesn’t matter, I guess some BSD aren’t. Back when the Zotac BIOS got written it was different, probably to push sales of W8. I will probably install W10 on the Zotac this weekend, although to be honest I’m happy enough with it being Linux- I bet it doesn’t complain though.
@d3stinYwOw
@d3stinYwOw 5 лет назад
@@twmbarlwmstar Malware on UEFI exists, even with Secure Boot. Did you hear about Secure Boot Universal Master Key? Signing malware with X.509 certificate isn't a problem, too. Old rule still aplies - if someone have your device in hand, everything is screwed.
@gwojcieszczuk
@gwojcieszczuk 5 лет назад
Small correction about Secure Boot: Official Ubuntu Desktop/Server, RHEL and SLES do support fully UEFI with secure boot enabled. This is because the default boot loader on such installations is SHIM which is signed with MS keys.
@ExplainingComputers
@ExplainingComputers 5 лет назад
Thanks for this.
@geoffreyjohnstone5465
@geoffreyjohnstone5465 5 лет назад
The Ronseal of RU-vid content providers. It does exactly what it says on the tin. You should just makes a load of tutorial videos and bundle them together. Compulsary viewing in my book
@outlet6989
@outlet6989 8 месяцев назад
When your PC fails to boot, and you see a message telling you the TIME needs to be reset, this probably means that the CMOS battery has died. Turn off the PC and replace the button battery with a new one marked with the same number. If you can't find that round battery on the MB, it might be under your Graphics Card. I always keep a spare taped to the inside of my case. I dread having to buy one at 2AM.
@mikaelgaiason688
@mikaelgaiason688 5 лет назад
Notice he's running Linux folks? Hmm, I wonder... He seems like a pretty knowledgeable guy. Do you think that means it's better than Windows? And free too. Built and maintained by the people who actually use it. They value their own privacy so you get your privacy right with them. It strives for a better product, not higher profits. If all that's true, the distribution known as ubuntu that he's running might be a good thing for people to check out. Being free there's no reason to not at least give it a look right? Some distributions are meant for super crazy programmer gods that can speak code like a first language, but ubuntu models itself after windows so it's a familiar environment. All the people out there still running windows 7, ubuntu mate is what I'd suggest. It has everything you love, and nothing you hate about 7. Gaming? I've got news for you. Steam natively supports ubuntu. Their os was based off linux. All the bs you might hear about not being able to game is just that, bs. Some things run slower, but some things run faster, and it's improving every day. Every single game I have in my collection works flawlessly, but I won't lie and say everything runs perfectly guaranteed. Just that my personal collection does. That includes the oldies that gave Windows a stroke no matter what compatibility mode I ran. The invidia club is more likely to run into issues than the amd club, but that just means you run different drivers. Don't bother posting some angry reply screaming about commies and dirty hippies. Google ubuntu and ubuntu mate. Get the FREE iso burned onto a flash. And just give it a try already! Stop waiting, the time is now. (Yes I just switched to linux a few months ago and now I'm running around the internet telling everybody about it. :) I've become the meme.)
@SupremeNerd
@SupremeNerd 4 года назад
Linux is not for everybody especially if your job doesn't depend on it. Linux is good but it's not the end all be all...Everybody doesnt have time to learn other operating systems . I use Linux Lite myself (going back to Linux Mint) but Windows is my primary thing ....cuz that's how I make my money..Linux isnt better than Windows, it's an alternative..thats it, thats all
@darvinhernandez973
@darvinhernandez973 4 года назад
Not gunna lie, i read this whole comment thank you for sharing. I was looking into fixing my first computer. I have a broken windows 10 system. I need BIOS training in my life. I like what you’re saying about Obuntu. I love computers, specially gaming on them! I must get A+ certification to get my life going! Will try that linux flavor!
@supremelawfirm
@supremelawfirm 5 лет назад
Another EXCELLENT presentation, as always, Christopher. You are such an enormous blessing to the English speaking world of computer users. Keep up the good work!
@ExplainingComputers
@ExplainingComputers 5 лет назад
Thanks.
@supremelawfirm
@supremelawfirm 5 лет назад
​@@ExplainingComputers A while back, I mentioned how we organize the partitions on multiple drives in our workstations: [C:/E:] on the primary drive, [F:/G:] on the secondary drive, [H:/I:] on the third drive, and so on. We write a drive image of C: to G: , copy that drive image to E:, and restore the drive image on E: to F: . Then, if we need to restore the OS on C: , we merely need to boot into the BIOS and change the boot drive to the OS on F: . We've found that the restore task runs a lot faster using a fully operational set of OS programs. Also, we use RAID-0 arrays often, and the RAID device drivers are already installed in every drive image. Compare this approach with one that requires burning a CD or DVD "rescue disc" which typically take much longer to startup. Booting from a CD or DVD also requires access to the motherboard BIOS anyway, so that step is no different using our preferred scheme, as described above. If you feel your subscribers might want to see such a scheme actually work, step-by-step, your video could also include a few recommendations for OS "cloning" software e.g. Macrium Reflect, Acronis, [your favorite here], etc.
@Vazgen_Ghazaryan
@Vazgen_Ghazaryan 5 лет назад
All your videos are so deep, thorough, and well organized :) Thank you for your effort.
@Hackerisitic
@Hackerisitic 3 года назад
There is a easier way to clear the CMOS than removing the battery but I know why you didn't mentioned that, because people with less experience might just short out 3.3V headers or something like that.
@ExplainingComputers
@ExplainingComputers 3 года назад
Indeed. :)
@botcarrys5997
@botcarrys5997 4 года назад
I have a windows pc with the newest bios layout the red one and my pc is force restarting every 10 seconds after a failed windows update I can only enter bios as no other f1-12 works is there anyway to fix this issue through bios settings?
@marianakrysteva2876
@marianakrysteva2876 2 года назад
I have more questions about BIOS, on what programming language it is written and how do they save the program on flash memory?
@johnnguyen8172
@johnnguyen8172 5 лет назад
Very clear thanks for the video! I do somewhat understand the difference and now I can see why I can’t install Windows 7 because of Secure Boot. Edit: Happy Easter, ExplainingComputers!
@FaBNEk
@FaBNEk 5 лет назад
Remember that intel has removed support for windows 7 from their 7th gen cpus and up so if you have a newer cpu you may also have some other issues trying to install it
@johnnguyen8172
@johnnguyen8172 5 лет назад
FaBNEk True, but I do have one that has a processor compatible with Windows 7 which is happy to run
@zerihunteketel9727
@zerihunteketel9727 2 года назад
very good you good man, can you have ideas about dell optiplex 6030 ...for not formatting problem
@camberwellcarrot420
@camberwellcarrot420 5 лет назад
One thing that hasn't changed from legacy to UEFI is terrible, confusing documentation.
@ExplainingComputers
@ExplainingComputers 5 лет назад
So very true. And these days they often don't even include a manual with a motherboard to detail any settings. :(
@Deses
@Deses 5 лет назад
So true. My ASUS UEFI has so many acronyms that are not described in detail in the manual or the the GUI itself.... So frustrating.
@matteofeyaerts
@matteofeyaerts 3 года назад
Can medion make legacy from uefy motherboard or can they lock features cuz i don't have any usefull features in my bios such as fan settings or even monitoring
@bipedalbob
@bipedalbob 3 года назад
Awesome tip about plucking it's battery to restore to default settings in bios, never heard that before. That helps to alleviate the fear of screwing up your computer entirely when doing any changes in BIOS.
@SL1CKSHOT.
@SL1CKSHOT. Год назад
2400 memory speed lol
@avazkhon1607
@avazkhon1607 4 года назад
Hey guys, is anybody know how to change RAM speed in BIOS setting? I have a old laptop Samsung RV510. When I opened BIOS setting I could not find RAM speed change option. I have DDR3 1333Mhz RAM in my laptop. But my system always show DDR2 800Mhz. I changed my RAM (DDR3) several times but still same problem. How can I solve this problem??? Or should I install some kind of program for that?
@ExplainingComputers
@ExplainingComputers 4 года назад
Laptop BIOS settings are sometimes more limited; there may not be an option. Or yuo may have missed it!
@ivanwill
@ivanwill 5 лет назад
As much as I know about BIOS, and here I am, still learning new things. Thanks for sharing...!
@UpcycleElectronics
@UpcycleElectronics 5 лет назад
So...thinking about more of the nuts and bolts here... I clicked on this and immediately thought to myself 'what is the key difference between a μC bootloader and a PC BIOS?' If I understand this correctly, the BIOS is essentially a small operating system that sets up and enables all the essential hardware and data busses. It must be the interface between assembly language/the processor's hardware instruction set, and whatever high level language the main operating system is coded in. The BIOS runs on the ultimate data partition - an entirely separate piece of hardware. This leaves me wondering why the BIOS system still uses volatile memory? With our current Flash and EEProm data storage options, why does BIOS hardware stick to a volatile data storage option? Lastly, where is the BIOS technically running? Is the BIOS chip functionally like a microcontroller, acting like a low level physical hardware management system or glue? Or, is the BIOS a software system that runs on the main system hardware but just uses hardware partitioned data storage/management?
@ejojo13
@ejojo13 4 года назад
Just changed out the CMOS Battery on my 12yr old computer which still runs ViSTa, LoL!! Upon restarting the computer, the 1st thing that appears is "Diskette drive 0 seek failure"... "Press F1 to continue, F2 to enter setup" If I press F1, the computer proceeds to boot normally to the Login page & I can get into my regular desktop setup... I tried F2 in setup to change what I thought would make it start up normally without having to click F1 constantly, but that did not work [1st time ever seeing a BIOS, lol] & I'm kind of lost here... would someone tell me what exactly do to fix this little matter?😊¿ Thanks!👍¡
@ExplainingComputers
@ExplainingComputers 4 года назад
It sounds like the PC is maybe trying to boot from the floppy drive (and not finding one, or a disk in one). So I suspect this may be an issue of changing the boot order to not include the floppy drive. So in the BIOS you are looking (perhaps!) for an option to remove the floppy drive from the boot order, or to disable the floppy drive, etc. Good luck!
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