CMOS Display Type Mismatch

CMOS Display Type Mismatch

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Explanation: The system has detected that the type of video card actually installed in the PC is not the same as the one you selected in the BIOS setup.

Diagnosis: The BIOS setting that controls the display type for the PC is set incorrectly. On some rare occasions there could be some other bizarre explanation for this problem such as the video card BIOS going bad or changing characteristics due to heat related issues.


  • Double-check and correct the video display type BIOS setting. It should be set to “VGA”, “VGA/EGA” or “AGP” for virtually all newer PCs.
  • Troubleshoot the video card if the BIOS setting is correct and this problem persists.
  • Troubleshoot the motherboard.

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