Windows 10: windows 10 fall update duplicate screen problem


  1. Posts : 3
    windows 10 home
       23 Oct 2017 #1

    windows 10 fall update duplicate screen problem


    after i updated to the fall update, once i connect the hdmi cable to my benq projector, i click on duplicate screen on my laptop but the projector will give me a message "out of range". if i chose the second screen only option or the extended screen option it works fine and it projects the screen correctly. why is it only that the duplicate screen option is not working after the update? i tried updating the display driver but it was the latest. i have an hp pavillion x360 with no dedicated graphics card.
      My ComputerSystem Spec


  2. Posts : 4,791
    Mac OS High Sierra 10.13.5
       23 Oct 2017 #2

    Have you tried changing the resolution for the second screen to what the projector is set for its Native REsolution.
      My ComputerSystem Spec


  3. Posts : 3
    windows 10 home
    Thread Starter
       23 Oct 2017 #3

    i just have the laptop screen set at full res. i tried to make it lower but the projector shows the same "hdmi detected... out of range" message
      My ComputerSystem Spec


  4. Posts : 4,791
    Mac OS High Sierra 10.13.5
       23 Oct 2017 #4

    Out of range means that it is set higher than the Projector can do.
      My ComputerSystem Spec


  5. Posts : 3
    windows 10 home
    Thread Starter
       23 Oct 2017 #5

    bro67 said: View Post
    Out of range means that it is set higher than the Projector can do.
    then how come if i choose the "second screen only " option it works just fine with the same settings.
      My ComputerSystem Spec


  6. Posts : 4,791
    Mac OS High Sierra 10.13.5
       24 Oct 2017 #6

    sedgh said: View Post
    then how come if i choose the "second screen only " option it works just fine with the same settings.
    Something is either messed up on the projector, a long HDMI run that may need a amplifier or the graphics port is causing it to go out of range. Not really hard to fix, since it is something that only you have access to in person, none of us have any access to.

    Just try a different cable, by hooking up to the projector and the computer close to each other, is how it is done. There are HDMI loopback testers or use a Raspberry Pi to do the test.
      My ComputerSystem Spec


 

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