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2 Posts

03-26-2017

Ukraine

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  • Registered: ‎03-26-2017
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  • Message 1 of 2

Lenovo Y560. Black screen after Boot Up

2017-03-26, 14:07 PM

Hi guys,

My Laptop configuration:

 HW: Lenovo y560 with ATI Radeon HD 5730 (no Intel graphic card on the board)
         Intel Core i7-740QM, 1.73 GHz with 2.93 GHz max turbo, 4 cores, 8 threads, 6M cache

 OS: Windows 7 64x with latest updates.

 Video driver: ATI driver version: 8.752.0.0

 

Issue:

 The screen turns completely blank every time when I turn on my laptop and the windows logo disappears. The login window doesn't appear at all and there is no response. Besides, it’s not possible to reboot a laptop by using Ctrl-Alt-Del on this stage and only power button helps. However everything works fine in safe mode.

 

Workaround that works:

  • Start my laptop into safe mode.
  • Reboot a laptop into standard mode without any changes.
  • As a result, everything works fine untill I turn off my Lenovo. 


What has been tried in order to solve the issue with no success:

- installed the latest drivers of ATI Radeon and beta crimson drives;

- changed power options to minimize performance;

- edited registry's values (enableULPS, EnableBrightnessInterface2);

- updated the bios to the latest version.

 

I have been really tired up to find a solution of this awful problem for three weeks. Please help.

 

 

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12665 Posts

11-30-2015

Philippines

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  • Posts: 12665
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  • Location: Philippines
  • Views: 749895
  • Message 2 of 2

Re: Lenovo Y560. Black screen after Boot Up

2017-03-26, 15:05 PM

Hi grygorchuk86 , 

 

Welcome to the Community Forums. 

 

Having it running in safe mode fine means advance features like video drivers may be a cause of the black screen.

Rolling back or complely uninstalling the video driver then installing beta video driver / lower driver version or those provided in the support site can help.

 

Else setting the machine on clean boot can be tried first.

 

Update us how trhings go.

 

Regards



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