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  2. Jun 6, 2020 · Are you unable to project or mirror content from your PC because Windows isn't detecting your external monitor or TV? Check out the solutions in this guide to fix that.

  3. 1.Connect the HDMI cable to the computer and TV; 2. On the computer, access the Control Panel, either through the Start Menu or through the shortcut on the Windows icon; 3. Go to the display resolution option; 4. Access the projection menu for a second screen; 5. Choose to project only on the secondary screen. (Use only the second monitor)

    • Restart PC. This solution to the Windows 11/10 is not detecting HDMI TV issue requires you to restart the PC with the HDMI cable attached and TV turned on.
    • Manually detect Display. You may encounter the issue in hand if you are trying to connect an old monitor or TV to your Windows 11/10 PC – Windows might have a problem detecting the HDMI TV automatically.
    • Check and change projection setting. In Windows 11/10, PC users can project visuals to a second monitor using any of the following options: PC screen only.
    • Update display driver. This solution requires you to update your graphics driver installed on your Windows 11/10 PC and see if that helps to resolve the issue in view.
  4. Mar 13, 2023 · If your secondary monitor isn't being detected, you can force Windows to detect it, check all of your connections, reboot the PC, try an alternative connection, and update your graphics drivers to fix it.

  5. Apr 24, 2024 · On Windows 10 and 11, you can use these steps to detect a second monitor on your laptop or desktop when the system is unable to find it automatically.

  6. Jul 15, 2024 · Restart and reconnect your devices. Configure your Display Settings. Update available drivers. Fix 1: Restart and reconnect your devices. It’s likely your problem is caused by the hardware connection. So you should make sure that the hardware components (including the HDMI ports and cables) are working properly, then reconnect.

  7. If you’re not seeing what you expect on the external monitor, start with basic hardware troubleshooting: Disconnect all accessories from your PC. Connected docks, dongles, adapters and other hardware can cause conflicts.