RTX 4090 got lucky after Water block installation. How to RMA a card with a broken Warranty seal? 

He is good, indeed. But this very repair was not hard, totally not showcasing his skill.

There is no difficult repair if the diagnosis is approached correctly

​@@KrisFixGermany That's so inspiring! Keep it up! Right now, I'm following the steps you laid out in troubleshooting and repairing a Gigabyte RTX 3090 card with a crack near the PCIe connector. My card is a Gigabyte RTX 3080 TI OC Gaming GPU but it's similar enough. The 5th layer was undamaged but the 3rd layer had the first three traces broken. I've dremeled down and attempted soldering multiple times. I have a single trace left to solder. I'm sure I'll get it soon. I'm just doing it in my spare time. I'm even more impressed by how easy you made it look after attempting it. The traces are only twice the width of my individual hairs 😂.

i agree kris is much much more the just a logic board repair professional he is a high level engineer 100%,

it's a pwm signal, 25Khz (or so), adding a 10nF capacitor on the signal path would prevent frying the GPU.

I've seen many processors that did not survive after such a mistake. This one is lucky

Sound engineering and electrical design is LESS profitable, so when you see it work as intended . . . the moment of pause and appreciation of it is far more impactful. :D

@@stanimir4197 lmao, absolutely not, it is in fact a complex signal as per fourier analysis, 25kHz + 0Hz dc component + the harmonics as the pwm signal is a dc square wave not an ac sinusoidal, in other words putting a cap in series will absolutely not work. And if the gpu has a high impedance at its output (input if you put the RGB connector on the fan connector) combined with a low rise time from the psu aka high frequencyency on the 12v rail will result in a complex voltage divider with a low impedanceance path from the capacitor. Appart from rendering the fan inoperable you achieve nothing much. it may prevent the gpu from dying or it may not but surely it won't allow the fans to work, at that point just cut the trace and you are sure.

​@@KrisFixGermanythis gpu has more durable protection diodes inside :) But the memory chip has been fryed when these 12 volts come to its VTT voltage through opened protection diode. This chip has shorted the line and saved another memory chips. So, this small pwm driver cant save another components in case of short 12v to pwm signal. Simply 10 k ohms series resistor can protect in such cases.

Glad you enjoyed it

And even if you know, what you are doing, you should still be extra careful.

Yeah... 100% Agree. how can you put a led strip to a fan connector just because the connector "fits" ... unbelievable. i Put a 20 ton trailer on a Smart, just because the connector fits and didnt expect the clutch to fail... :D

There are a lot of things I don't like but correspondence with them is very easy and they are willing to help

I would like to know either.

I think too many warranty issues are customers doing bone headed moves and not caring what happens because "we can claim warranty repairs" if something goes wrong. I think plenty of AIBs see this behavior too often and you can't fix stupid. There is also a problem too many YT and tech channels promoting what I would call reckless behavior in overclocking cards for benchmark bragging rights and pushing the idea that anyone can do it! Kris did a video about some idiot who screwed up putting liquid metal on their 4090 and completely borked their 4090 in the process. Anyone doing DIY installs should RTFM and strictly follow the guidelines or not do it at all if you don't have the experience! In this case the client blindly going ahead and plugging into the fan header because "it looks the same as a header meant for LCD power so it must be just as good!" almost cost him the whole card. I guess some people are rich enough not to care about little details like that, instead of thinking about what the manufacturer had intended. On the other hand people like Kris make a good living trying to save idiots from themselves.

Everyone makes mistakes

Watercooling was a good choice in many respects. Often, the air cooler is bulky and heavy (even to the point of causing cracks in the PCB). The air cooler is also not always sufficient to handle the ever-increasing power draw of modern GPUs. In this case, watercooling did no damage whatsoever. It was actually RGB that killed the system. RGB strips serve no purpose and are more trouble than they're worth. 😂😂😂

It's not a crazy idea to connect matching connectors. The problem is that they're not standardized to always supply the same voltages as with the bigger connectors from the PSU (and even there it's a risk with modular power supplies: do not ever blindly connect them if they weren't with the PSU itself).

Frohe Ostern 🐰

Well if you damage something when putting the block on, it's still your fault.

​@@mahartma It is and should be always, nobody should expect manufacturer to pay for your own mistakes, but in case the card dies by itself sometimes later you still have normal warranty, and can even send the card in for repair as it is with waterblock installed, that is very good.

I also noticed that. Many caps in this row have such a small solder balls. Most likely solder paste from the manufacturing process.

Dies sind Reste von Lötpaste. Der Chip hat einen Kurzschluss

It is a time consuming process to keep all the parts in stock so that we can carry out repairs quickly.

Everything depends on the bios and gpu configuration. Many times is possible to upgrade, but not worth it

@@KrisFixGermany Thank you for the Info. But interesting to know.

Depends on where you live, at least in germany voiding warranty with seals is illegal already. They will try anyway but that's how it is

@@saltysalt7339 Source?

@@kyoudaiken Read the law? There are court cases tackling this as well just like EULA always have at least one clause that makes them void in EU law.

The reasons could be many. I recommend that you contact an experienced technician

All prices are listed in our website

@@KrisFixGermany THANK U, I WILL CHECK UR WEBSITE. I AM FROM INDIA. I AM UR NEW SUBSCRIBER.

Unfortunately no