Originally Posted by mautz

Could you give the output of

Code:

devel-su mcetool | grep 'Adaptive dimming threshold'

It should be 10000msecs

If not you can adjust it with

Code:

 devel-su mcetool --set-adaptive-dimming-time=10000

or whichever value you want.

If you haven't installed mce-tools already install them with

Code:

pkcon install mce-tools