ATI 4350 resolution problem

I have a Hanns-G 28" monitor with a native resolution of 1920x1200 but I can only get 1600x1200 with the ATI 4350 card. I have Vista Ultimate on one disc and Windows 7 on another disc. I have the latest drivers from ATI. I have tried the CCC and the display properties offered by the OS but neither works or offers higher resolution than 1600x1200 even when I click the "force" option. Would appreciate any help. Thanks!
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More about 4350 resolution problem
  1. Unfortunately you need to upgrade your card, as your current one simply can't support that resolution. When looking for a new card, make sure to check what its maximum capable resolution is.
  2. Per AMD, the HD 4350 supports up to 2560 x 1600 resolution.

    http://ati.amd.com/products/Radeonhd4300/specs.html

    Does the Hanns-G come with drivers on a CD? The problem is basic Vista / Win 7 applying EDID that comes with the monitor. EDID is roughly "Electronic Device ID" which specifies what the monitor can / cannot do. Apparently the Hanns-G's EDID is incorrect and if monitor driver did not ship with your monitor then getting Vista / Win 7 to ignore EDID is rather iffy.

    This is a known issue and MS has released a solution, however, the solution has not worked for everyone apparently. See below link to someone who has a similar issue as you do and it also includes a link to MS's instructions on how to possibly resolve the issue:

    http://forums.entechtaiwan.com/index.php?topic=6944.0

    Do Google (or Bing) searches on "EDID override" or something along those lines.

    Below is a link to a tool that can be used to edit EDID profiles, but I cannot instruct you how to use it and you should do additional research on it before simply using it 'cause it can make the situation even worse.

    http://www.tucows.com/preview/329441
  3. jaguarskx said:
    Per AMD, the HD 4350 supports up to 2560 x 1600 resolution.

    http://ati.amd.com/products/Radeonhd4300/specs.html

    Does the Hanns-G come with drivers on a CD? The problem is basic Vista / Win 7 applying EDID that comes with the monitor. EDID is roughly "Electronic Device ID" which specifies what the monitor can / cannot do. Apparently the Hanns-G's EDID is incorrect and if monitor driver did not ship with your monitor then getting Vista / Win 7 to ignore EDID is rather iffy.

    This is a known issue and MS has released a solution, however, the solution has not worked for everyone apparently. See below link to someone who has a similar issue as you do and it also includes a link to MS's instructions on how to possibly resolve the issue:

    http://forums.entechtaiwan.com/index.php?topic=6944.0

    Do Google (or Bing) searches on "EDID override" or something along those lines.

    Below is a link to a tool that can be used to edit EDID profiles, but I cannot instruct you how to use it and you should do additional research on it before simply using it 'cause it can make the situation even worse.

    http://www.tucows.com/preview/329441


    Many thanks for replying to my question. I have since tried Windows XP and find that the native resolution is fine with this operating system. Therefore, I have to think the EDID is fine and it is just a problem with Vista and Win7. Does that seem reasonable? If you should come across any fixes regarding Win7 please let me know.
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