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Lenovo C320 cannot save the brightness level after replugging the external power supply
Symptom

It is unable to save the brightness level on Lenovo C320 when you replug the external power supply. The brightness level setting can only maintain by keeping the power supply plug-in . The phenomenon happens to both BIOS interface and Windows.

 

Affected configurations

The above symptom may occur to the following systems:

  • Lenovo C320/C325/C225

     

    Solution

    This is design limitation. It is normal. As C320 has no scalar IC, OSD Brightness adjustment will be saved in EC RAM and reset to default max brightness after re-plugging AC . Please feel free to use.

     



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    Country Availability
    AvailableWorldwide
    Alias ID : ID20120807-001
    Document ID : HT074646
    Legacy Document ID : ID20120807-001
    Last Updated :
    Copyright © Lenovo 2013, all rights reserved
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