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smbrockman
What's DOS?
Posts: 1
Registered: ‎12-15-2013
Location: Walnut Creek, CA
Views: 16,363
Message 11 of 33

Re: P400 Touch screen brightness won't adjust

This totally worked, thanks!
Montague
Paper Tape
Posts: 1
Registered: ‎12-21-2013
Location: USA
Views: 16,305
Message 12 of 33

Re: P400 Touch screen brightness won't adjust

Thank You. This worked for me also.Smiley Happy

TRH
What's DOS?
Posts: 1
Registered: ‎12-30-2013
Location: Wisconsin, USA
Views: 16,237
Message 13 of 33

Re: P400 Touch screen brightness won't adjust

Thanks! That's better!
frankbetha
What's DOS?
Posts: 1
Registered: ‎01-24-2014
Location: Maple Grove, USA
Views: 16,056
Message 14 of 33

Re: P400 Touch screen brightness won't adjust

"do a reboot and hit the brightness button when seeing the Lenovo logo" 

 

...worked like a charm!!!!

 

Thx!

SgtJoe
What's DOS?
Posts: 1
Registered: ‎01-29-2014
Location: Dallas, TX
Views: 16,019
Message 15 of 33

Re: P400 Touch screen brightness won't adjust

Thank you, this helped a lot, I also had more recent drivers that created problems. There is light again ...
Diesel496
What's DOS?
Posts: 1
Registered: ‎03-30-2014
Location: Maryland
Views: 15,316
Message 16 of 33

Re: P400 Touch screen brightness won't adjust

This SIMPLE recommendation resolved my issue.  Reverting to the older driver resolved my issue.

 

Diesel

marsgitte100
What's DOS?
Posts: 2
Registered: ‎04-02-2014
Location: United States
Views: 15,263
Message 17 of 33

Re: P400 Touch screen brightness won't adjust

Thanks so much! This has fixed my problem. It works every time.
mlharrie
What's DOS?
Posts: 1
Registered: ‎05-27-2014
Location: CO
Views: 14,610
Message 18 of 33

Re: P400 Touch screen brightness won't adjust

I have been struggling with the brightness problem on my P400 for weeks and finally found this solution. Worked perfectly!! My eyes thank you. Hopefully no more frustration with trying to read the screen.
prem1311
What's DOS?
Posts: 1
Registered: ‎05-29-2014
Location: diamond bar
Views: 14,574
Message 19 of 33

Re: P400 Touch screen brightness won't adjust

plz help me , i have last my screen brightness.. even i tried to adjust the screen brightness in settings.. nothing worked, somebody help me!!!

ringmasterDarin
What's DOS?
Posts: 3
Registered: ‎04-13-2013
Location: Hawaii
Views: 14,571
Message 20 of 33

Re: P400 Touch screen brightness won't adjust

Easiest way I found out after reverting my drivers. Reboot the computer, when the Lenovo loading screen comes up press and hold the increase brightness button until the screen is all the way brighter. Good luck

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