apps that claim to to increase the FPS in a game, or apps that manage display settings, quit or uninstall them. If you’ve installed third-party apps for managing the video settings on your system e.g. If you’re unable to change the brightness with the above two methods, try the fixes below. Use the brightness slider to change the screen’s brightness.
for internal screens or the main monitor connected to a desktop system.įix Windows 10 brightness slider not working The brightness slider is also controlled by dedicated keys on the keyboard and they work the same way as the slider does i.e. It normally does not work with external monitors that are connected to a laptop. It can change the brightness of the internal display of a laptop, and the monitor for a desktop. Would appreciate any help, even if it just explains the weird behavior without solving the issue.Windows 10 has a brightness slider that you can access from the Control Panel and from the Action Center. I know next to nothing about hardware, so I'm entirely confused at this point.
Weirdly, pressing the disable touchpad combination (Fn + F7, works as intended) gets me the same, but once. I have tried acpi_listen, both combinations (Fn + Right, Fn + Left) produce 676AA15E-6A47- 000000bc 00000000 twice (I think one for press, one for lift, continuous if held). any solution requiring creating /usr/share/X11//nf did not work and broke something else (usually GUI, sometimes preventing system booting properly).xbacklight does not work, no output in the console.
I can still change the brightness with slider in Ubuntu's settings or by changing the value in /sys/class/backlight/intel_backlight/brightnessĪny solution I have found on the interned did not work. So, recently (roughly a week ago they were working) the brightness keyboard shortcuts on my Acer have stopped working.