Hi .. i have the same computer but 7090 .. the screen is not open (black) and the fan ( on and off ) the c batery, hard drive, charger, and the power supply is good but i can't find the problem.. if u can help i will appreciate that .. thanks
Hi. Have you tried other output VGA, Display Port to your monitor? Bad RAM does that as well, if you have 2 sticks of RAM, use one only - switch them around, if it post - get rid of the bad RAM.