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Yogi9000
What's DOS?
Posts: 3
Registered: ‎10-01-2016
Location: US
Views: 402
Message 1 of 3

Yoga 900 black screen

Tried to do a bios update.  The 900 rebooted to run the update but the screen stayed black.  Subsequent boots are the same.  With the power or nova buttons pushed the keyboard lights briefly and the fans spin then stop then it just sits with the power button light on.  Black screen.  I checked the brightness and lcd on/off buttons.

 

I opened the bottom and disconncted the battery and tried holding the power button for 60 sec then plugging in the AC adapter and hitting the power or nova buttons.  Also tried pusimg and holding the power button five times five seconds then plugging in AC.  No combo of button holding mojo has worked.

 

Is there a way to reset the bios on this thing?

Yogi9000
What's DOS?
Posts: 3
Registered: ‎10-01-2016
Location: US
Views: 352
Message 2 of 3

Re: Yoga 900 black screen

So no way to reset BIOS? Smiley Sad

Yogi9000
What's DOS?
Posts: 3
Registered: ‎10-01-2016
Location: US
Views: 317
Message 3 of 3

Re: Yoga 900 black screen

Left it sitting several dyas with the battery disconnected and tried booting off the ac adapter, still no success.  Any idea on reseting the bios to factory, or is that impossible?

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