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Eric8
What's DOS?
Posts: 3
Registered: ‎01-20-2016
Location: Sweden
Views: 364
Message 1 of 4

Lenovo M30-70 Brightness problem

Hi,

 

I have a M30-70 with Windows 8.1. The shortcut keys for adjusting screen brightness don't work and when I go into the control panel I can change the % brightness bar, but nothing happens. For example now it says I have 100 % but the screen is still stuck at about 40. 

 

This whole problem occured yesterday. I have tried rebooting the computer but doesn't work. Any advice? =)

Administrator
Administrator
Posts: 6,684
Registered: ‎09-03-2014
Location: SK
Views: 346
Message 2 of 4

Re: Lenovo M30-70 Brightness problem

Hello Eric, welcome to the community,

 

usually the brightness and shortcut keys are controlled by the power management drivers, I would like to suggest installing the driver as a first step;

 

Power Management Driver for Windows 8.1 32 & 64 bit

http://support.lenovo.com/us/en/products/Laptops-and-netbooks/Lenovo-M-Series-laptops/Lenovo-M30-70-...

 

Please let us know the results

Andy


English Community Leader


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Eric8
What's DOS?
Posts: 3
Registered: ‎01-20-2016
Location: Sweden
Views: 322
Message 3 of 4

Re: Lenovo M30-70 Brightness problem

It didn't help =(

Eric8
What's DOS?
Posts: 3
Registered: ‎01-20-2016
Location: Sweden
Views: 301
Message 4 of 4

Re: Lenovo M30-70 Brightness problem

Are there any other suggestions on what I can try?

It's really disturbing to always have screen brightness at 50 %. Should I return it to Lenovo?

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