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7 Posts

03-29-2016

GB

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Thinkpad Yoga (20CD) trackpad and keyboard backlight still not working after being replaced. STUMPED

2016-05-07, 23:20 PM

Simultaniously my keyboard backlight, touchpoint and trackpad stopped working. They do not appear in device manager and reinstalling drivers did nothing.

 

On Lenovos advice, I purchased replacement palmrest, trackpad, keyboard etc and fitted them successfully but this has made no difference.

 

Could it be a power management issue? I've updated PM drivers. Motherboard damage? As far as I know no water or physical damage has occurred.

 

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7 Posts

03-29-2016

GB

15 Signins

75 Page Views

  • Posts: 7
  • Registered: ‎03-29-2016
  • Location: GB
  • Views: 75
  • Message 2 of 2

Re: Thinkpad Yoga (20CD) trackpad and keyboard backlight still not working after being replaced. STU

2016-05-07, 23:26 PM

Also I've done various system restores and reinstalled Windows 8.1

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