External monitor worked, but now does not!

  1. Posts : 4
    Windows 10

    External monitor worked, but now does not!

    Hello all, I have never posted any questions or replies to these types of sites before, but here it goes. I own an "Unbranded" (that IS the OEM) 10.1" tablet that I upgraded to Win 10. I seem to have good luck up until now, I used win+p to set an external monitor to extend display, but ever since I unplugged the monitor to move it, the thing has not worked. I also went through control panel, checked display settings there, and also right-clicked desktop and clicked display settings there too. Nothing is working to get the monitor working again. It gets power and turns on fine, but not extended display like before. I tried and failed to open settings on the monitor itself, I also checked the drivers for the graphics, but no luck. I think I tried everything and even went to Microsoft for help, and that was pointless! So, any suggestions would help greatly!

      My Computer

  2. Posts : 193
    Windows 10 Pro

    Try these key combinations and see if one will work:
    WIN P P (may need to do this several times)
    Fn F4
    Fn F5
      My Computer

  3. Posts : 4
    Windows 10
    Thread Starter

    So, I have tried FN F4 and FN F5, neither worked and when I typed WIN P P it shut off my on-board screen and I had to manually shut down my tablet then reboot. The screen came back on, but the external display extension is not working though. I will double check the drivers, because another user had that issue and updated drivers fixed that.
      My Computer

  4. spapakons's Avatar
    Posts : 2,748
    Windows 10 Pro 64-bit 1909 (November 2019 build 18363.657)

    The second monitor must be connected and switched on to be detected. If it is a TV you should change the source to PC or VGA to be detected. Make sure you have latest graphics drivers from manufacturer (not Microsoft).
      My Computer


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