cancel
Showing results for 
Search instead for 
Did you mean: 
Reply
dericknji
What's DOS?
Posts: 2
Registered: ‎12-15-2014
Location: Cameroon
Views: 422
Message 1 of 5

Z500 brightness problems Windows 8.1

After i formated from win 8to win 8.1 , used the brightness button and then suddenly the display went dim. Not possible to adjust the brightness afterwards. even the display bar is functioning, but the display remain dim and fixed dim. What can be done to fix it?

LenBlazer
Bit Torrent
Posts: 5,332
Registered: ‎05-09-2013
Location: US
Views: 409
Message 2 of 5

Re: Z500 brightness problems Windows 8.1

Just to test the display, shut down the unit then try booting to bios. Once there adjust the brightness. If you can adjust the brightness then it could be a problem with some program or with the OS.

dericknji
What's DOS?
Posts: 2
Registered: ‎12-15-2014
Location: Cameroon
Views: 408
Message 3 of 5

Re: Z500 brightness problems Windows 8.1

Plz can you give me all the instructions gradually like from where i need
to start doing all that bcuz i am confused now just by you telling me to do
that. I really need to use my laptop this afternoon on project and i am
eyes issue. Thanks

Social Support Agent
Social Support Agent
Posts: 5,824
Registered: ‎02-11-2012
Location: PH
Views: 404
Message 4 of 5

Re: Z500 brightness problems Windows 8.1

hi dericknji,

 

In addition to what LenBlazer have suggested, your issue might be similar to this article.

 

If you have an Intel+Nvidia GPU, can you consider doing the following:

1. Uninstall the Lenovo Energy Management, Intel, and Nvidia driver from the Control Panel (icon views) > Programs and Features (reboot if necessary).

2. Re-install these drivers (in order) and reboot if necessary:


1st  - Lenovo Power Management for Windows 8.1 (32-bit, 64-bit)

2nd - Intel Video Driver for Windows 8.1(32-bit, 64-bit)

3rd  - Nvidia Video Driver for Windows 8.1(32-bit, 64-bit)

 

When finished, try toggling the the brightness key and observe.

 - Link to picture

 

 

Regards



Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.

Follow us @LenovoSupport on Facebook and Twitter!

LenBlazer
Bit Torrent
Posts: 5,332
Registered: ‎05-09-2013
Location: US
Views: 394
Message 5 of 5

Re: Z500 brightness problems Windows 8.1


@dericknji wrote:
Plz can you give me all the instructions gradually like from where i need
to start doing all that bcuz i am confused now just by you telling me to do
that. I really need to use my laptop this afternoon on project and i am
eyes issue. Thanks


1. Shut off your computer.

2. Press the NOVO button located near the Power plug.

3. Select from the menu: Setup. You should now be in the bios.'

4. Now adjust the brightness using the Fn buttons.

Check out current deals!


Shop current deals

Top Kudoed Authors