Windows 10: Windows 10 Not Turning OFF External HDMI Monitor

Discus and support Windows 10 Not Turning OFF External HDMI Monitor in Windows 10 Support to solve the problem; I have a Samsung External Monitor connected via HDMI to a brand new HP ZBook 15. When you lock the screen WIndows 10 just shows the locked screen... Discussion in 'Windows 10 Support' started by swim23team, Jan 27, 2020.

  1. Windows 10 Not Turning OFF External HDMI Monitor


    I have a Samsung External Monitor connected via HDMI to a brand new HP ZBook 15.
    When you lock the screen WIndows 10 just shows the locked screen photo of New Zealand.
    It does not BLANK the screen after a certain amount of time. Left it on all night.

    Why not?

    Solution:
    Make sure that for Background you DON'T have Slideshow. Must have Picture to work.

    :)
     
    swim23team, Jan 27, 2020
    #1
  2. PhilipAu Win User

    hdmi output to external monitor

    I have an HP laptop running Windows 10. How do I turn off the laptop screen when I use HDMI that connects to an external monitor? I can dim it down but don't know how to turn the video off (to save battery). Thanks.
     
    PhilipAu, Jan 27, 2020
    #2
  3. Vinodh.V Win User
    hdmi output to external monitor

    Hi Philip,

    Thank you for your interest in Windows 10.

    Basically you can not turn off the laptop screen, when using HDMI and connecting to second screen.

    You can try going to monitor settings and choose use screen 2 only, if you choose this laptop screen will be turned off and the only display will be via the external monitor.

    Hope this information helps, for further assistance please reply.
     
    Vinodh.V, Jan 27, 2020
    #3
  4. Gman_640 Win User

    Windows 10 Not Turning OFF External HDMI Monitor

    'No signal' on external monitor when connected to laptop via HDMI

    'No signal' on external monitor when connected to laptop via HDMI

     
    Gman_640, Jan 27, 2020
    #4
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Windows 10 Not Turning OFF External HDMI Monitor

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