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Screen flickering on/off and dims

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  • Graphics Cards
  • Graphics
Last response: in Graphics & Displays
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January 19, 2012 5:43:37 PM

So on boot, sometimes the screen will flash on and off, sometimes once, sometimes it just keeps flipping on and off. I reinstalled drivers thinking that this was the problem and it seemed to be remedied until just a few minutes ago it started up again. Additionally, it seems like sometimes the colors are distorted and then the screen will get brighter and the colors will look right again

The blinking is incredibly erratic and just occurs when the computer is more idle than not. Never had flickering issues while watching Netflix or Playing games or anything like that.

Now I just got this card a couple months ago, and I've had problems with faulty cards in the past, but it seems so unlikely that I've had more than 3 cards mess up on me in the past 6 months, so I'm starting to question if its the LCD screen going out now. I've had it for about 4 years, so its entirely possible that its going out. It also gets quite hot, but I've heard that a lot of LCDs do this.. I can't think of a way to know for sure, any suggestions?


CPU: AMD Phenom x6 1100T
MB: Gigabyte 990FXA-UD3
Card: AMD HD6950
Screen: Hannspree HF259H

More about : screen flickering dims

January 19, 2012 11:16:35 PM

bump
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a b U Graphics card
January 19, 2012 11:41:32 PM

No bumps here. They don't work. http://www.tomshardware.com/forum/277636-28-read-first

If this has happened with more then one card, the screen (or some element of the connection between the computer and the screen) is the problem. I think the best idea would be to eliminate parts one at a time. Do you have access to another monitor you can use? Some friend must be willing to lend you one if you don't have another with you. Try another DVI cable first, just to put that out of the picture, and then another monitor. If the problem persists, it comes from somewhere else. If not, you'll just have to get a new one.
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January 20, 2012 12:04:40 AM

kajabla said:
No bumps here. They don't work. http://www.tomshardware.com/forum/277636-28-read-first

If this has happened with more then one card, the screen (or some element of the connection between the computer and the screen) is the problem. I think the best idea would be to eliminate parts one at a time. Do you have access to another monitor you can use? Some friend must be willing to lend you one if you don't have another with you. Try another DVI cable first, just to put that out of the picture, and then another monitor. If the problem persists, it comes from somewhere else. If not, you'll just have to get a new one.



Thanks for the reply, sorry about the bumps, I'm fairly new here... I think I can get my hands on an alternate graphics card, but I'm not sure how to replicate the issue to be sure of what it is...
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a b U Graphics card
January 20, 2012 12:51:44 AM

Another monitor, not a graphics card. I put the GPU second on my list of suspects, after the monitor and followed by the power supply.
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January 20, 2012 1:05:30 AM

I don't think I have access to another monitor. I figure if I can replace the card and make it still flicker I can make sure its the monitor and go from there...

I contacted XFX support for the card and they reccomended a complete driver reinstall, so I uninstalled CCC and the drivers and now it will not boot at all. Hangs on loading ahcix64.dll in safe mode boot and then just restarts itself over and over...
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a b U Graphics card
January 20, 2012 1:21:11 AM

Go into the BIOS and make sure you're on integrated graphics, to start with. I'm not sure what that file is, but download the driver onto a flash drive from whatever computer you're now using and install it from there.
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January 20, 2012 9:40:13 PM

No integrated graphics on this motherboards. Had to restore from a system image to get it working again. So any other suggestions!
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January 20, 2012 10:08:19 PM

Yeah, that was covered, thanks mouse....

I'm getting a feeling that its the monitor... It only blinks when the monitor is cool, once it warms up, no issues...
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a b U Graphics card
January 21, 2012 12:04:57 AM

You've got to have access to another one. Bring your whole rig over to somebody's house and plug into their monitor.
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