Won't detect second monitor after Windows 10 upgrade


  1. DavidP24
    Posts : 2
    Windows 10
       New #1

    Won't detect second monitor after Windows 10 upgrade


    I was automatically upgraded from Windows 7 Home Premium to Windows 10 yesterday and now my second monitor can't be detected. Windows says it doesn't detect the second one, even though it displays two. When I move the mouse, it moves across both screens, but the second monitor essentially just mirrors the main monitor. This only started happening after the upgrade.
      My Computer
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  3. robgr
    Posts : 449
    win 10
       New #2

    Are your GPU drivers current?
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  4. RWOne
    Posts : 505
    Windows 10 Pro (Mix of Builds) / Linux Mint
       New #3

    Windows key + P - change to extend, what happens?
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  6. DavidP24
    Posts : 2
    Windows 10
    Thread Starter
       New #4

    Thanks. Just updated the Video Graphics card.
      My Computer
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