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1954
Paper Tape
Posts: 2
Location: US
Views: 1,930
Message 1 of 2

C40-05 All in one Lenovo only shows black screen when powered on.

Unplugging my Lenovo from the wall socket and moving it to a different location in my house, has now decided to only show a black screen. Clearly I can hear the unit is running and has power going to it but no display at all. I can press the clock button and that will show but nothing else. Please help!!! This computer is only one year old.

JDGillis
Bit Torrent
Posts: 2,267
Location: US
Views: 1,920
Message 2 of 2

Re: C40-05 All in one Lenovo only shows black screen when powered on.

A couple of things to try.     

 

  • With it turned on, and allowing enough time for it to normally boot, Press Windows key + Ctrl + Shift + B together to see if resetting the graphics card turns on the display
  • Press and hold the power button until it turns off, unplug it from AC power, and then press and hold the power button for about 15-30 seconds before trying to power it back up?

Good luck,

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