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Display blinks when waking up

post #1 of 4
Thread Starter 
Hi all! Been awhile since I've posted here, but hope you can help. Here is the deal:


When I try to use the mouse/KB to "wake" my PC, the display blinks for a second and then goes dark. IF I restart the PC, it works fine. What I need is a way to see if it is the GFX card or the display. Since it is working fine after a restart, I am guessing the GFX card. (I also think I can see a slight outline of what's on the screen when it blinks dark)


I don't have another of either on hand to test. I assume I can go in and adjust the settings to see if that changes it. Any help appreciated, Thanks.
Edited by dralb - 3/22/11 at 4:32pm
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post #2 of 4
Hmm, I would have thought that the restart fixing it would mean it's the comp that has the problem. But the only way would be to use a different comp or a different monitor to test.
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by railfan844 View Post
Hmm, I would have thought that the restart fixing it would mean it's the comp that has the problem. But the only way would be to use a different comp or a different monitor to test.


Sorry, I meant the GFX card, not display.
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post #4 of 4
Ok thanks

Anyway

The display either gets a signal or not. There is no way for it to tell if the comp is sleeping, shut off, or hibernating or whatever.

This being said it's almost certainly your computer, what settings to change in it I'm not sure. I sometimes have a similar problem (no display after resuming from sleep) and I just have to hard-reset it. A temporary fix would be to change the sleep function to hibernate instead, then you shouldn't have any problems but the process of resuming will take a bit longer.
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