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6970 screen flicker on start up

post #1 of 5
Thread Starter 
Still working out some kinks in my new SB build apparently. I got everything installed and updated and now I am getting some weird screen flicker when I first start up my rig.

My GPU is an ASUS EAH6970 IDII (not overclocked) running the latest drivers. I've installed Windows and drivers twice now (after a RAID set up SNAFU) and get the same behavior both times. After the drivers are installed, when I start up from a cold boot (ie. first boot of the day) everything POSTs and starts up normally but my monitor flickers/ flashes on and off for a minute or two once Windows loads. It will go black every 3 to 5 seconds and come back on almost immediately. After that it stays on with no more flicker.

I've got a decent PSU so don't think that is the issue. Just a single GPU so no xFire. Any ideas? Thanks!
Edited by turdferguson - 10/19/11 at 9:18am
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post #2 of 5
I have seen my 2 6950s do that also when I boot up my computer but its just usually when i log into windows the first time so I am curious if if it might be a driver issue? The cards I am using are listed in my sig.
post #3 of 5
Not sure, could be your motherboard bios or video card. You said it flicks on startup, it can't be the driver since it only loads once you see Windows.

Other than that... try another screen? Bad cable?
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ASUS ROG ZEPHYRUS
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post #4 of 5
Thread Starter 
Quote:
Originally Posted by djriful;15367632 
Not sure, could be your motherboard bios or video card. You said it flicks on startup, it can't be the driver since it only loads once you see Windows.

Other than that... try another screen? Bad cable?

I should clarify, I meant start up of Windows. Not the PC itself. The flickering doesn't start until Windows loads up. My apologies. ((also clarified in my OP))

Monitor and cable work just fine on another PC. It almost seems like the problem goes away once the GPU "warms up". LOL
Edited by turdferguson - 10/19/11 at 9:18am
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post #5 of 5
Quote:
Originally Posted by turdferguson;15368242 
I should clarify, I meant start up of Windows. Not the PC itself. The flickering doesn't start until Windows loads up. My apologies. ((also clarified in my OP))

Monitor and cable work just fine on another PC. It almost seems like the problem goes away once the GPU "warms up". LOL

Try this if it would reset everything:

Remove Catalyst package driver (select express uninstall), shutdown PC, move the card to another PCIe slot, startup PC, only Windows basic driver loaded?

If not, clean it with this:
Atiman Uninstaller v.6.0.0.msi. Download LINK (Run it with administrator privilege. Some antivirus software will give a false positive. Let it restarts to complete the uninstallation).

Install Catalyst 11.9 Package (select express install). After PC restart go to Windows Screen & Resolution to select the monitor resolution and correct refresh rate.

Does it go away?
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