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What in the hell is going on with my GPU?

Last response: in Graphics & Displays
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November 20, 2012 4:42:57 PM

I just got a monitor with 2560x1400 resolution and I have a Gigabyte HD6870. Sometimes I turn my pc on and I see little green horizontal lines over the dark portions of the screen. I go into the ATI panel and turn ON GPU scaling and the lines go away. Then after several starts the green lines come back. I turn GPU scaling OFF and the lines go away. It seems like it doesnt matter if the gpu scaling is on or off but just switching it makes the lines go away. Any ideas about whats going on?

More about : hell gpu

November 20, 2012 4:49:16 PM

catalyst is complete crap plain and simple but would you mind telling me what version you are running?
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November 20, 2012 6:20:33 PM

I currently have 12.4.

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November 20, 2012 7:51:40 PM

Quick suggestion: Try changing res, problem still there? Change res back again. Still there?
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November 20, 2012 8:07:04 PM

OK I changed it to 1920x1080 and it was still there. I then changed it to back to 2560x1400 and it was still there.
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a b U Graphics card
a b C Monitor
November 20, 2012 8:08:30 PM

Update the drivers. Current version available from AMD is 12.10. 12.11 is also available as a beta release. If you have tried all of the above, and symptoms still occur the shut down the computer, open the case, remove and reseat the graphics card. Make sure that the graphics card is fully inserted and then put the computer back together and restart.
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November 20, 2012 10:21:26 PM

Some reason I clicked on update and it said I had the latest version. I then uninstalled and downloaded the beta and it's still happening but not as much. I'm buying a new card and wanted to go with the 7970, however; the 680 is looking much better
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November 20, 2012 10:31:15 PM

The 680 isn't enough for 2560 res, unless you are satisified with <40FPS or so in a lot of games. At that res, you want a 690 for a solid 60+.
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a c 198 U Graphics card
a b C Monitor
November 21, 2012 9:26:15 PM

What are your full system specs?
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November 21, 2012 9:42:49 PM

Corsiar 600T
ASUS Rampage III Gene
Intel i7 960 OC@4.1GHz
Corsair H60
Sandisk Extreme 240GB SSD
Gigabyte ATI 6870HD
Corsair Dominator GT 12GB 1700MHz
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a c 198 U Graphics card
a b C Monitor
November 21, 2012 9:50:12 PM

Power supply?
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November 22, 2012 12:30:31 AM

Cooler Master - Silent Pro Gold 800-Watt
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November 22, 2012 1:45:07 AM

Now the overdrive thing isn't working and I cant get rid of the green lines. There are no lines when I'm in the bios. Does this mean it's something with the driver?


Here is a video of what is going on

http://youtu.be/IjmRPXWc5Yg
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a c 198 U Graphics card
a b C Monitor
November 22, 2012 5:08:01 AM

Just uninstall the drivers and re-try. Make sure to do a clean uninstall.
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