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.

Windows 10. Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings. In the Screen Saver Settings window, choose a screen saver from the drop-down list. Change your screen saver settings.

Change screen brightness in Windows - Microsoft Support. 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.)

When you start Windows, a Begin Logon dialog box prompts you to press CTRL+ALT+DEL to log on. By default, if you do not press a key for 15 minutes, the Windows logon screen saver (Logon.scr) starts. Change the logon screen saver. Click Start, click Run, type regedt32, and click OK.

Security Windows 11 Windows 10. If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list. Caution: Only do this for files that you're confident are safe.

To open Steps Recorder, select the Start button, and then select Windows Accessories > Steps Recorder (in Windows 10), or Accessories > Problem Steps Recorder (in Windows 7 or Windows 8.1). Select Start Record. Go through the steps to reproduce the problem you’re trying to diagnose. You can pause and resume the recording at any time.

Windows 11 Windows 10. You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs. Repair options from the Settings page. Select Start > Settings > Apps > Apps & features. Apps & features in Settings.

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.

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.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results. Right-click Start , then select Run. Type regedit in the Open: box, and then select OK.