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PC wont POST after installing new GPU

  • Radeon
  • Graphics
Last response: in Graphics & Displays
January 26, 2013 9:50:19 PM

Im buliding a new pc recently and my spec are:

CM GX550w
Asrock H77m
Sapphire HD7850 OC 2gb

Now the problem is, after installing the hd7850, the pc wont post or boot, not even bios, it just black screen, and i can boot in windows fine with intel hd graphic or another hd7850 (non-oc) from my friend.

550w should be more than enough for a hd7850 oc and what i have tried are:

setting the bios
reset cmos
update cmos
check the power connector

is it clear for me to declare it is a bad or faulty gpu?

More about : wont post installing gpu

January 26, 2013 10:29:58 PM

I'd say doa given a similar model works fine. Doh!