when i press fn+brightness key in acer laptop it doesnot work with the windows 10. earlier it was working when the laptop was

[sanjuROHAN117]

brightness problem : when i press fn+brightness key in acer laptop it doesnot work with the windows 10. earlier it was working when the laptop was enabled with windows 8.1.

 

[Im Spartacus]

http://www.redmondpie.com/fix-windows-10-brightness-control-not-working-issue-heres-how-guide/

 

[k1114]

Did you try to download the graphics drivers yourself and install?