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2 Posts

08-04-2014

Germany

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Ideapad Z500 Luminosity Problem after updating bios

2014-08-04, 21:19 PM

Hi, I have an Ideapad Z500 with an W8.1 installed on it. I updated the bios to the last version but after that I can not control the luminosity level anymore. When I try to do it pressing the Hotkey it trurns to the lowest level of luminosity and I can only fix it by pressing the hotfix key when the laptop starts. I can not return to the old bios version. What shall I do? can anyone help please. Thank you

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127 Posts

02-05-2014

United States

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Re: Ideapad Z500 Luminosity Problem after updating bios

2014-08-05, 14:09 PM

You can update or reinstall the display driver and check the luminosity is same as before.

Steps to uninstall display driver
1. Open Device Manager
2. Go to Display Adapters, right click, choose Uninstall, and then restart your computer.

 

Download and install latest video drivers from below link given
http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS032587

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2 Posts

08-04-2014

Germany

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Re: Ideapad Z500 Luminosity Problem after updating bios

2014-08-05, 17:50 PM

Thanks a lot :D

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2060 Posts

05-02-2008

MY

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Re: Ideapad Z500 Luminosity Problem after updating bios

2014-08-05, 9:17 AM


T410, x240

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1 Posts

03-13-2015

uk

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Re: Ideapad Z500 Luminosity Problem after updating bios

2015-03-13, 11:47 AM

Hello

I have the same problem with my Z500 but obviously it's nearly a year later than your origial post. I have tried the steps recommended in this post but when I right click, it opens two graphics cards. Please, any help will be most appreciated.!


wrote:

You can update or reinstall the display driver and check the luminosity is same as before.

Steps to uninstall display driver
1. Open Device Manager
2. Go to Display Adapters, right click, choose Uninstall, and then restart your computer.

 

Download and install latest video drivers from below link given
http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS032587


 

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