Troubleshoot external monitor connections in Windows 10

Applies to: Windows 10

Before considering troubleshooting options, make sure your device is up to date. Select Start  > Settings  > Update & Security  > Windows Update , then select Check for updates. If you need help setting up your external monitors, see How to use multiple monitors in Windows 10.

Troubleshoot issues that occur when setting up external monitors

If you are trying to set up an external monitor and it’s not working, press the Windows logo key  + P to make sure that the Extend option is selected. If the Extend option is selected, try the following troubleshooting tips.

Troubleshoot issues that are occurring with an existing setup