Working GPU + Working Computer = No Monitor Signal

hellomuffin

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Jan 5, 2018
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I'm trying to install an older Asus Radeon HD 7850 into a old computer with an Asrock 4CoreDual-VSTA motherboard with a CORSAIR CX series 550W power supply. The monitor displays no signal, no system beeps. System will hang without post or display signal indefinitely.

Here's what I have tried so far:
-Tested Radeon 7850 in another rig. It works fine.
-Tested 4CoreDual computer with a Radeon 4670 gpu. It works fine.
-Flashed bios. No effect.
-Ensured that the 6pin PCI-E power connector is correctly attached. No effect.
-Tried computer with different monitor and DVI cable. No effect.
-Tried reseating DVI cable while computer is running. No effect.
-Installing graphics drivers for the HD 7850

 

hellomuffin

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Jan 5, 2018
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Would that cause the system to display nothing at all? not even the post?
 

a.einsti3n

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Jan 13, 2018
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Hey have you tried to swap your ram stick? it could be that. no need to change psu. i mean that is the most frequent problem when you have a working with no video signal. just swap the ram sticks and find which one is not compatible with your gpu
 

hellomuffin

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Jan 5, 2018
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Thanks I'm going to give this a shot.
 

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