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Windows 7: New GPU, black screen and no POST

31 Mar 2012   #1

Windows 7 Home Premium x64
New GPU, black screen and no POST


I have a problem with a computer which doesn't boot and shows a black screen. Lets start with the specs of the problematic computer:

Asus P5Q
Intel C2Q Q9550 @ stock
4GB DDR2 800MHz Kingston Valueram
The new gpu Radeon 5970 (XFX Black edition)
a 700W Chieftec PSU

So, the computer previously had a Radeon 7970 and it was functioning correctly. I decided to use the 7970 in another computer and replaced it with the 5970. Now the computer doesn't boot anymore and the monitor just says "No Signal". The 5970 isn't broken as it works in other computers. I've also tried resetting the BIOS and trying out a more powerful PSU which the 5970 has been previously connected to but it doesn't work.

Any idea what I could try next?

My System SpecsSystem Spec


 New GPU, black screen and no POST

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