Screen resolution changes when monitor switched off


  1. Vipermk2
    Posts : 19
    Win 10 Pro x64 (v14393)
       New #1

    Screen resolution changes when monitor switched off


    Due to upgrading my M2 sytem boot drive I've had to reinstall Windows 10 and I've come across a plethora of problems that I had when first installed it last year. This one I know there is a Reg fix for it but trying to find it has proved fruitless.

    I have a 4k monitor and when I switch it off and back on again what ever was in the lower right has moved to what it looks like it would be on a 1080 or the top left quarter of the monitor. Can anyone point me in the right direction of what to do. Video drivers are up to date.
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  3. Kryten
    Posts : 31
    win 10 64bit Home
       New #2

    This has been an ongoing problem for years and is due to monitor auto detection.
    The best way to fix it is a small /cheap device that works with display port or HDMI.They are also sold on EBay.
    http://monitordetectkiller.com
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  4. Plankton
    Posts : 2,075
    Windows 10 Pro
       New #3

    Have you tried running the OS with out the M.2 SSD? Are you using the Samsung Magician software? Are you running all the latest mobo drivers?
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  6. Vipermk2
    Posts : 19
    Win 10 Pro x64 (v14393)
    Thread Starter
       New #4

    Problem was to do with the DPI scaling of my 2nd monitor, it was set to 300% for some reason although I had not changed it. I only changed the 1st Monitor to 150% the 2nd is only used for watching films and playing games.
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