Screen mirroring and projecting to your PC or wireless display
Learn how to screen mirror or project content from one device to another.
Use the System File Checker tool to repair missing or corrupted system ...
Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. To do this, follow these steps: Open an elevated command prompt. To do this, do the following as your appropriate:
Troubleshoot external monitor connections in Windows - Microsoft Support
In some cases, pressing Windows logo Key + Ctrl + Shift + B to reset your graphics driver may fix your issue. If this does not work, see if restarting helps. If you are experiencing issues after an update, returning, or rolling back, to a previous version of your display driver may solve the issue. To roll back the driver:
Stream HDR video on Windows - Microsoft Support
You’ll be able to play streaming high dynamic range (HDR) video when your Windows 10 device has a display that’s optimized for HDR video, and you have Stream HDR video turned on in Windows HD Color settings.
Calibrate your HDR display using the Windows HDR Calibration app
It also lets you customize how vividly colors will appear for both HDR and SDR (standard dynamic range) content when HDR is turned on. You can download the Windows HDR Calibration app from the Microsoft Store.
Can't open .EXE files in Windows 7 or Windows Vista
Resolve issues where you cannot start .EXE files on Windows 7 and Windows Vista.
Video playback settings in Windows - Microsoft Support
Learn how to change the video playback settings for apps that use the video platform that's built in to Windows.
Remove specific prevalent malware with Windows Malicious Software ...
Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.
How to install programs from a disc on Windows 10
If installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation. Insert the disc into your PC, and then follow the instructions on your screen. You might be asked for an admin password.
Change the refresh rate on your monitor in Windows
Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.