Ambient Light Sensor requires Desktop Power Manager version 1.03.0012 or greater for proper function - ThinkCentre M70z and M90z


The ambient light sensor will not adjust the brightness of the display.

Affected configurations

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

  • ThinkCentre M70z, M90z

Applies to:

  • Microsoft Windows 7

The system is configured with an Ambient Light Sensor FRU: 89Y1171

Additional Information

Click here to download and install the latest Desktop Power Manager version 1.03.0012 or later.

  • Alias ID: SF11-D0090
  • Document ID: HT037703
  • Last Updated :17 Jun 2014
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