I was hoping someone could help me. I am currently running an L521X Dell XPS with windows 10 64 bit.
Recently I've had to wipe the computer and reinstall windows. I installed first the Windows 7 then updated for free to Windows 10.
After installing windows 7 I noticed the problem but thought the installation of windows 10 would solve it. The issue is the brightness bar. I've read the issue and tried the fixes for the common one that the brightness bar does not work at all. That is NOT my issue. I can change my brightness.
The screen is at its brightest when only 20% of the bar is used. One click higher makes the screen go black. As I go higher each click of the button alternates the screen brightness between dim and dimmer but never again does it reached the brightest. Once the setting is at 100% it is still dim. At 0% its very dim and like I said it slowly gets brighter till around 20%. Then it alternating as described above.
I have tried to uninstall and reinstall the intel driver but that did not seem to work.
Any thoughts would be appreciated.