01-20-2016 05:58 AM
I have a M30-70 with Windows 8.1. The shortcut keys for adjusting screen brightness don't work and when I go into the control panel I can change the % brightness bar, but nothing happens. For example now it says I have 100 % but the screen is still stuck at about 40.
This whole problem occured yesterday. I have tried rebooting the computer but doesn't work. Any advice? =)
01-22-2016 06:15 AM
Hello Eric, welcome to the community,
usually the brightness and shortcut keys are controlled by the power management drivers, I would like to suggest installing the driver as a first step;
Power Management Driver for Windows 8.1 32 & 64 bit
Please let us know the results
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