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Thread: HD 6950 Extend Desktop Problem




  1. #1
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    Default HD 6950 Extend Desktop Problem

    Hi:

    New 6950 2GB installed OK. Windows 7 did not detect; had to use install disc. I have 2 LCD monitors connected to DVI, LG 24", Samsung 22". They worked fine in Extended Display mode last night. When I restarted pc this morning, not so good. No. 2 monitor is showing vertical black bar and distortion, like static.

    Connections are all ok. I updated drivers, and downloaded AMD Catalyst Control Center. Prior to this, the only problem I experienced was with GamerOSD app. After installing it made gaming unstable, so I uninstalled it. I also have Smart Doctor installed.

    I haven't changed factory settings for this card. GPU-Z is showing temperatures and GPU loads well below redline and everything works fine when I disconnect one monitor. I had an nVidia card installed before this one and uninstalled drivers.

    Any suggestions would be greatly appreciated.

    Dave
    Last edited by DaveJ1234; 10-14-2011 at 08:28 PM.

  2. #2
    dJabba's Avatar
    dJabba is offline Member
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    Default Re: HD 6950 Extend Desktop Problem

    have you tested both monitors separately?
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  3. #3
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    Default Re: HD 6950 Extend Desktop Problem

    Quote Originally Posted by dJabba View Post
    have you tested both monitors separately?
    Thanks. Yes, they both work ok. When I switch no. 1 (primary display) with no. 2, the problem shows up on the new no. 2 display.

  4. #4
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    Default Re: HD 6950 Extend Desktop Problem

    i would download driversweeper,boot into save mode then un-install all your ati drivers and any nvidia drivers which are probably left behind,then do a fresh clean install of ati drivers and see if it fixes the problem
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  5. #5
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    Default Re: HD 6950 Extend Desktop Problem

    Working fine now. Not sure why...thanks for input.

  6. #6
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    Default Re: HD 6950 Extend Desktop Problem

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