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ilbiochimico
What's DOS?
Posts: 2
Registered: ‎10-18-2015
Location: italy
Views: 285
Message 1 of 5

Z500 screen backlight

Hello,

 

I have a big  problem with my ideapad z500 backlight screen. I didn't use it for a couple of week and now i tried to turn in on and voila..no backlight. i connected  it with external sceen and everything in working good..even the laptop screen is working too but is totaly black..i see text and images on laptop screen if i use a torch to light it up ..and it was working 2 weeks ago when i shut it down for tthe last time..Heeelp Smiley Happy

 

Thank everyone.

Retired Support Specialist
Posts: 734
Registered: ‎08-24-2015
Location: Egypt
Views: 269
Message 2 of 5

Re: Z500 screen backlight

Dear ilbiochimico,

 

Welcome in lenovo community,

 

Please try to,

Open the device manager >> Right click the graphic driver >> Properties >> Select Driver from the upper tabs >> click Roll back driver.

 

If it did not help, please try to

 

uninstall the graphic driver from the device manager then restart after that right click the graphic driver from the device manager and choose Update driver software.

 

Regards,

Joseph

FedeM
Paper Tape
Posts: 3
Registered: ‎09-09-2015
Location: Belgium
Views: 263
Message 3 of 5

Re: Z500 screen backlight

Hi, i have a lenovo ideapad z500. I have often this problem

go to "device manager --> video card --> right click "properties" ---> driver ---> update driver --> search on computer ---> manually --> Microsoft video card.

Tell me if it works Smiley Happy

ilbiochimico
What's DOS?
Posts: 2
Registered: ‎10-18-2015
Location: italy
Views: 241
Message 4 of 5

Re: Z500 screen backlight

Hello,

 

I tried both but without results. I also boot it with Ubuntu but almost the same. even if i enter to bios setup there is no backlight. Is there any way to reset bios to default bios factory? I have the v1.21 (the last one).

 

Thank you

Retired Support Specialist
Posts: 734
Registered: ‎08-24-2015
Location: Egypt
Views: 225
Message 5 of 5

Re: Z500 screen backlight

Dear ilbiochimico,

 

To reset BIOS to default BIOS factory, Kindly contact lenovo service at your country.

 

http://www.lenovo.com/contact/it/it/?footer-id=contattaci

 

 

Regards,

Joseph

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