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basitj
Fanfold Paper
Posts: 16
Registered: ‎01-18-2016
Location: Pakistan
Views: 358
Message 1 of 3

Y700 15ISK - LCD not turning on - Device monitor black after sleep

As usual I put my PC on sleep at night (it was charging). Woke up, opened the lid and there's nod isplay.

 

Screen is dead black, no display. 

 

Long press power button, reboot, the keyboard backlight is up, PC is clearly booting with boot sounds but no display.

 

Pressed Fn + F3 to see if it works, no luck

 

Then connected an external monitor, no luck, restarted and well, the display shows up on the external monitor. 

 

At this point, Windows sees only 1 monitor installed, that is on the HDMI, nothing internal. 

 

Both duplicate screen and external only work on the external monitor. 

 

Restarted several times, shut down and start, no luck.

 

PC is working fine on external monitor but no display on laptop LCD. 

 

I know there are other threads but they get no display on external only, hence starting this thread. 

 

Any pointers will help. 

Maxmozes
Token Ring
Posts: 29
Registered: ‎05-17-2016
Location: US
Views: 316
Message 2 of 3

Re: Y700 15ISK - LCD not turning on - Device monitor black after sleep

Hi basitj

My advice is to contact Lenovo service center or your local store where you've got it (if you still have a warranty).

As there are many topics about loose monitor connector, so the connector could probably fall apart from monitor and it must be reset. 

If your laptop is working with external display, so it could be only this sole problem with hardware((

basitj
Fanfold Paper
Posts: 16
Registered: ‎01-18-2016
Location: Pakistan
Views: 201
Message 3 of 3

Re: Y700 15ISK - LCD not turning on - Device monitor black after sleep

Just to update you all, I had to send the system back to Lenovo for repair. The shipping and repair took more than 2 months Smiley Sad

Good news in the end, I have the PC fixed.

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