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vinu648
What's DOS?
Posts: 3
Registered: ‎06-22-2015
Location: India
Views: 2,814
Message 61 of 65

My brightness control is not working in windows 8 pro 32 bit on my lenovo z50-70 notebook.

My brightness control is not working in windows 8 pro 32 bit on my lenovo z50-70 notebook how to enable it help me and the battery backup is not good in the 32bit os how can i improve my battery backup please help me.

peterpoy
Paper Tape
Posts: 1
Registered: ‎07-21-2015
Location: zone1 lanuza, surigao del sur philippines
Views: 2,732
Message 62 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

i have a problem with my lenovo g50..

can't adjust brightness.

windows 8.1 interprises 32 bit

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vinu648
What's DOS?
Posts: 3
Registered: ‎06-22-2015
Location: India
Views: 2,728
Message 63 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

Install display drivers or install display drivers from system settings

BigginZpantZ
What's DOS?
Posts: 1
Registered: ‎06-14-2016
Location: US
Views: 823
Message 64 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

Very simple. Restart, at Lenovo opening screen (black with Lenovo in the middle) press f12. I have a p series and it has worked 3 times for me. 

Anil79
What's DOS?
Posts: 1
Registered: ‎01-09-2019
Location: US
Views: 153
Message 65 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

I have thinkpad E550 and I have the same issue started recently where the screen brightness suddenly went very low, I could hardly see directly, so I'm currently using with a external monitor. I tried replacing the screen and also tried to install Power management and also installed Intel Video Driver for Windows 8.1, but no luck.

 

Could you please tell me if there is any other alternative for my thinkpad E550.

 

Thank you in advance.

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