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Fickle 6870: Inconsistent Display Post-Boot/Resume from Sleep

post #1 of 2
Thread Starter 
Hey guys, I recently purchased an XFX 6870 standard edition (the one with the custom dual fan cooler) and have been victim to some issues.

I've been debugging like crazy for the last two hours and these are my findings as to when this card fails to output a signal to my monitor:
1) After hitting Exit & Save Changes in the BIOS, regardless of whether I changed a setting.
2) After trying to resume from Windows 7 Sleep/Standby.
3) On and off after a reboot or cold boot.

When I do get a display, it stays on. When I don't, I have to power cycle multiple times before I can finally get a signal.

I have tested my 4850 before and after trying out this new card and it displays an output flawlessly. The same goes for a HIS 6870 that I've tested, and that card shares the same 2x PCI-E power input requirement with my XFX so I don't believe this is a PSU issue.

Finally, when I insert this XFX card into my motherboard, it seems weighted in a way where the screw holes do not match up with those on my case, requiring me to slightly pull it away from the motherboard just to screw it in tight. Regardless of whether it is screwed in, this card still exhibits this fickle behavior.

I really don't believe the card itself is defective as when it works it operates at 100%, so I would greatly appreciate it if anyone can help me troubleshoot my issues before I request an RMA.

Thank you in advance.
post #2 of 2
Thread Starter 
An update:

When booting my PC, every other component takes a bit longer to power up than normal (normal being when I was using my 4850 and the HIS 6870). It takes at least 5 more seconds for the LEDs on my keyboard and mouse to illuminate, for instance, than they did before.

Again, if anyone can interpret these symptoms and help me troubleshoot, it would be greatly appreciated.
Edited by Mapex - 5/12/11 at 12:24pm
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