In addition, sometimes Windows 11 brightness keeps going down. According to users, the brightness option is existing, but the brightness control is not working. When going to adjust screen brightness from Quick Access, the option is greyed out.īesides, there are some other situations on Windows 11 brightness not working. However, you may fail to change brightness in Windows 11 since there is no brightness slider in Settings. If you use the PC outdoor or near a window, you also need to adjust the brightness according to the brightness of your surroundings.

When using a computer, sometimes you need to change the screen brightness to avoid eye strain, improve visibility, and save energy. Solutions to Windows 11 Brightness Not Working.Well then, how can you fix this issue on your Windows 11 PC? Take it easy and some useful solutions can be found in this post from MiniTool Solution. If you find brightness is not working, this is frustrating. This should resolve the issue. It happened to me twice in the last couple of months when power crashed (or my UPS tripped).Windows 11 brightness issue is a common problem. Resolution: (1) Unplug both monitors and the Mac Studio computer for at least five or more minutes. (2) Next, plug in ONLY the dim display and let it start. There is no on/off switch on the monitors, so plugging in the monitor will cause it to start and go dark when done. Three dots will be visible for a short time in the middle of the screen as it starts. (3) Next, plug in the other monitor and the computer unit. Start all three devices. It appears this will force the system to recognize the correct firmware for the monitor (or force a firmware update). Troubleshooting: Restarting the system does not fix the issue. When checking the About This Mac> System Report> Graphics/Displays, the dim monitor fails to show the Display Firmware Version. The good monitor shows Display Firmware Version: Version 15.5 (Build 19F77).

Mac Studio Display Brightness Control Not Working Apple Studio Display (2 monitors) connected to Mac Studio (2022) with Apple M1 Ultra chip running macOS Monterey (12.4).Īfter a power failure, one of the Mac Studio Display monitors is visibly dimmer than the other. Settings>Displays does not show any brightness adjustment for the dim monitor.

Adjust brightness mac mini