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      Screen corruption may be seen when running an OpenGL test - ThinkStation E30 and ThinkCentre M91, M91p, M81


      When you run OpenGL with the default setting or set to the following settings, you may find some letters cannot be seen completely or video corruption.

      1. Open OpenGL--> Rendering tests--> Intel(R) HD Graphic Family
        Format : float
        Frame buffer : FrameBufferObject
        Multisampling : 4
      2. Start the test.
      3. The screen may become corrupted.
      Affected configurations

      The above symptom is associated with, but not limited to, the following systems:

      • ThinkStation E30
      • ThinkCentre M71e, M91, M91P, M81

      Applies To:

      • Microsoft Windows 7
      • Microsoft Windows Vista
      • Microsoft Windows XP Professional
      • Microsoft Windows XP Home Edition

      The system chipset is the Intel Q67 or H61 Express chipset.


      None. Do not replace any hardware for this issue.


      The OpenGL test will continue to run and pass. There is no functional impact to the video.


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      • Alias ID: SF11-D0094
      • Document ID: HT037627
      • Last Updated :17 Jun 2014
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