Fn+Left arrow key combination also not working for volume down while Fn+Right arrow for volume up is working. PS:- I have managed to increase the brightness for now but still the combination isn't working. 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. Safe Mode doesn't allow adjustment of brightness since it cannot load the display driver. Hence, I'm not able to increase the brightness anymore.įYI, the "Up" arrow button works normally but the combination "Fn+Up" doesn't work while "Fn+Down" does. 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. This will bring up the Hardware and Devices troubleshooter.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.
Some solutions only work for specific devices, so make sure you’re. We compiled a number of great methods for fixing issues related to the brightness of your computer display. Fixed: cant adjust brightness on Windows 10. If you are knowledgeable enough, you can clean your laptop by yourself as long as you have the right tools.Īlso, if you have connected a keyboard to your computer try these quick fixes: However, if Windows 10 doesn’t let you adjust your brightness on a laptop, you should troubleshoot the issue immediately. If it’s been long enough since the last cleaning, there could be enough dust in your keyboard to stop it from functioning as usual. If certain Fn keys are still working, it might be a sign to clean your keyboard. Then, try to use one of the Function keys.
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