“I installed Lenovo Diagnostic tools on my C940 FHD model, and it is showing under FAN as not available. Why it is showing this way?”

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• You can use Lenovo Q-Control to manually control fan and system performance: ( Fn + Q ) option to change the fan by undervolting the processor. For more information, we recommend you call Lenovo Tech Support at: 877-453-6686.

  Answered by Lenovo Product Expert 4 years ago

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