Brightness Controls

[DARKNAP]

SOLVED

Has there been any sort of confirmed fix for the screen brightness getting stuck after a gpu upgrade?

After thinking I had solved 99% of the issues with my m15x I tried changing the brightness level as I thought it might be affecting battery life to find out it didn't do anything.

Neither the function keys or the power options help although the osd does show on windows 8 and googling shows a blank for a definite fix.

EDIT: Fixed by using updated drivers (331.82). If anyone is struggling to find them see here :- http://leekms.blogspot.co.uk/

[fatboyslimerr]

re-install the OSD package from dell website. Do you have brightness options in the power control panel?

Sent from my HTC One S using Tapatalk

[DARKNAP]

All of the settings are avaiailable in the power options but neither have any effect on the brightness of the screen. The most I get is a slight dim when the power adapter is removed.

I have also tried reinstalling OSD but it doesn't appear to have fixed it.

[Genetics]

All of the settings are avaiailable in the power options but neither have any effect on the brightness of the screen. The most I get is a slight dim when the power adapter is removed.

I have also tried reinstalling OSD but it doesn't appear to have fixed it.

AMD GPU? If yes try this --> http://forum.techinferno.com/alienware-m15x/2780-brightness-issue.html

I am using 7970m with 13.11 Beta 8 drivers and i have no issues with brightness at the moment. I also can control the brightness by using the key on keyboard.

Good luck.

[DARKNAP]

Fixed the issue.

Turned out that the drivers I was using didn't work with the brightness controls but they were the latest I could get working from Laptopvideo2go (327.44 Nvidia OEM) .

After googling for a way to install 335.xx drivers correctly it started working again.

I will update the first post for reference but thanks for the suggestions.