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VenomVelvet
Paper Tape
Posts: 2
Registered: ‎07-02-2019
Location: DE
Views: 75
Message 1 of 4

YOGA 51015IKB internal screen black - tried all solutions I found

Hi there!

my Lenovo YOGA 51015IKB (half a year out of warranty of course) is having black screen issues on startup.

Most of the times, I do not see a screen at all, then seldom I do see the Lenovo logo and the circles followed by a blank screen, very seldom I do get the Lenovo Logo and Windows after that. 
If that is achieved, the laptop works without any issues, I may even restart and come back to windows with a screen.

 

When the screen is blank, I still can use an external monitor perfectly.

During black screen issues, even the little switch you have to use with a pin doesn't produce a screen output.

 

I did use all the tricks with 30 seconds, pressing keys etc pp. without success.

When it finally works, I did NOT move the screen or laptop in any way, just pushed the power button.

 

I opened it up once and did reseat all the display cable connections on the board. 

After that I could even power it down completely and it booted like a charm.

 

I did even refresh windows and reinstalled the newest versions of all drivers...

 

Sidenote: during black screen, the device manager of windows doesn't even show the internal display on device manager when I use an external screen.

 

 

 

Where to look/What should I try?

 

Greetings!

Sr Support Specialist
Posts: 9,299
Registered: ‎11-30-2015
Location: PH
Views: 66
Message 2 of 4

Re: YOGA 51015IKB internal screen black - tried all solutions I found

Hi VenomVelvet,

 

Welcome to the Community Forums.

 

As what you have already tried, the symptoms shows probable hardware issue. This may be anywhere from the LCD panel , LCD cable or LCD cable ports.

 

You may want to consider testing a different cable or LCD panel which I hope the service centers locally in your region could help.

 

Regards



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VenomVelvet
Paper Tape
Posts: 2
Registered: ‎07-02-2019
Location: DE
Views: 58
Message 3 of 4

Re: YOGA 51015IKB internal screen black - tried all solutions I found

While a new cable might still be a thing to try, a new display would leave me - if it is not the reason, because of a fault on the mainboard or something - with a "used" display I paid a lot of money for that no one will buy for the price I paid. 
Considering all the posts about black screen issues on yoga models, there surely must be some common ground?

 

it incidentially happend after the latest windows update, but since I did a refresh and all drivers are up to date including bios, it must be the hardware somehow. 

Sr Support Specialist
Posts: 9,299
Registered: ‎11-30-2015
Location: PH
Views: 52
Message 4 of 4

Re: YOGA 51015IKB internal screen black - tried all solutions I found

Hi VenomVelvet,

 

Yes, you did mention reinstalling Windows likewise using the Novo button that both did not show built in display. 

 

The old BIOS and updated BIOS had the same issue at the time so it cannot be the firmware either. You can make your action plan without urgency since you can still use your laptop but not as mobile as before.

 

Regards



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