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I have an ATI Radeon HD 4800 graphic card, when I open CCC I can select many different resolutions. When I open Control Panel > Screen Resolution, I only get few resolutions (1920x1080x, 1280x1024, etc).

Now, the problem is that I get bad fps in Diablo 3 when I choose the recommended resolution: 1920x1080. I want to be able to select 1400x1050 in Diablo 3 (1280x1024 looks really bad), but I can't because it limits itself to what is avialable in Control Panel.

I've tried to edit d3pref.txt, installed PowerStrip (Advanced timing options is greyed out), updating driver (from dell site, tried Generic Non-PnP Monitor and Generic PnP Monitor), 'Hide modes that this monitor cannot display' option is unchecked and no success.

I just want to add a new custom resolution to the screen resolution list in Control Panel, so I can choose lesser and not so bad resolutions in Diablo 3 and other games.

Monitor: DELL S2309W

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This tutorial will help you add custom resolutions to CCC. IIRC, Control Panel will take effects too after done this. –  M. Gao May 27 '12 at 8:05
    
Followed the tutorial. Added 14 00 10 50 00 00 00 00 to Key DALNonStandardModesBCD1, restarted computer and control panel is just showing the old resolutions. –  user658091 May 27 '12 at 8:15
    
I found the solution. I found different drivers from what Device Manager shows, and installed Dell Driver instead of Generic ones, and it worked. In 8 hours I will post the instructions if someone is having my same problem. –  user658091 May 27 '12 at 8:30
    
    
That battle.net solution is my post. If you read carefully, you can see I'm saying exactly what I'm saying here. –  user658091 May 27 '12 at 15:42
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