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Screen corruption may be seen when running an OpenGL test - ThinkStation E30 and ThinkCentre M71e, 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.

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Country Availability
Alias ID : SF11-D0094
Document ID : HT037627
Legacy Document ID :
Last Updated :
Copyright © Lenovo 2013, all rights reserved
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