Windows 11 Windows 10. Select the Network icon on the right side of the taskbar, and then move the Brightness slider to adjust the brightness. (If the slider isn't there, see the Notes section below.) Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions.

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

Screen flickering in Windows 11 is usually caused by a display driver issue or incompatible app. To determine whether a display driver or app is causing the problem, check to see if Task Manager flickers. Then, based on that information, you'll need to update, rollback, or uninstall your display driver or update or uninstall the app.

Surface Devices Windows 11 Windows 10 Surface. If your Surface isn’t working properly, the Microsoft Surface app and Surface Diagnostic Toolkit can help you find and solve problems. Notes: If your work or school manages your Surface, check with your IT department before running the tool.

Solution 1: Check the Xbox status. Check the Xbox status page. If you see any services with alerts, expand the service, scroll down to Notifications, and sign in to receive a message when the service is up and running again. Xbox status page. Solution 2: Run a command prompt.

More help. If you can't see the desktop and instead see a blue, black, or blank screen, see Troubleshoot blue screen errors or Troubleshoot black or blank screen errors. Check for Windows updates. Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. 5. Check sound settings. 6. Fix your audio drivers. 7. Set your audio device as the default device. 8. Turn off audio enhancements. 9. Restart Audio Services

Restart your PC. If you haven't restarted your device since the camera stopped working, you should do so. Select Start > Power > Restart . Waking up your device from sleep isn't the same thing as a restart. Test your camera with the Camera app. Select Start , then choose Camera from your apps.

reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{89F4137D-6C26-4A84-BDB8-2E5A4BB71E00} /f. rmdir /s /q "%ProgramFiles%\Microsoft Silverlight". rmdir /s /q "%ProgramFiles(x86)%\Microsoft Silverlight". Click File and Save As and type CleanSilverlight.cmd.

Troubleshoot screen flickering in Windows. Fix connections to wireless displays or docks in Windows. If your computer is showing a black or blank screen in Windows, these troubleshooting tips could help get your system back up and running.