After updating to W10 insider fast ring build 14393.10 on my Lenovo G580 notebook, the Fn+Up brightness control key combination has stopped working. To check if Fn+Down was working, I pressed them and the brightness went down to "0" and now the screen is always black both while plugged-in and unplugged. Hence, I'm not able to increase the brightness anymore.
FYI, the "Up" arrow button works normally but the combination "Fn+Up" doesn't work while "Fn+Down" does.
Safe Mode doesn't allow adjustment of brightness since it cannot load the display driver.
I tried installing a third-party brightness control software while in Safe Mode but then realized it won't work until I log in to my account, in normal mode, which I cannot do since the brightness is at zero.
Please help me asap!
PS:- I have managed to increase the brightness for now but still the combination isn't working. Fn+Left arrow key combination also not working for volume down while Fn+Right arrow for volume up is working.
FYI, the "Up" arrow button works normally but the combination "Fn+Up" doesn't work while "Fn+Down" does.
Safe Mode doesn't allow adjustment of brightness since it cannot load the display driver.
I tried installing a third-party brightness control software while in Safe Mode but then realized it won't work until I log in to my account, in normal mode, which I cannot do since the brightness is at zero.
Please help me asap!
PS:- I have managed to increase the brightness for now but still the combination isn't working. Fn+Left arrow key combination also not working for volume down while Fn+Right arrow for volume up is working.
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