after 1703 upgrade, ATI Radeon HD 3450 does not recognise two monitors


  1. andrewsc
    Posts : 8
    Windows 10
       New #1

    after 1703 upgrade, ATI Radeon HD 3450 does not recognise two monitors


    I was using two monitors under Windows 10 for more than a year, with ATI Radeon HD 3450 in a Dell Optiplex 580 box. But on 29-Sep-2017, my system got upgraded to version 1703 of Windows 10. After than time, the system does not automatically recognise two monitors. After every reboot, I need to manually unplug the DVI cable for one monitor or the other, then plug it back again. Once I've gone through this inconvenient exercise, the system works just fine with two monitors. Until the next reboot.

    Someone at an AMD forum has a similar problem for HD4350. So an entire family of drivers is affected by the upgrade:
    ATI Radeon HD 4350 stopped detecting 2nd monito... | Community
      My Computer
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  3. dalchina
    Posts : 42,963
    Win 10 Pro (22H2) (2nd PC is 22H2)
       New #2

    Hi, this thread may be of interest, as it refers to an issue after upgrading with a Radeon card, albeit not an identical one.

    Graphics Issues after Creators Update Solved - Windows 10 Forums
      My Computers
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  4. andrewsc
    Posts : 8
    Windows 10
    Thread Starter
       New #3

    Thanks dalchina, I got a good solution from Microsoft :

    2nd Monitor on restart only
      My Computer
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  6. dalchina
    Posts : 42,963
    Win 10 Pro (22H2) (2nd PC is 22H2)
       New #4

    Glad to hear it. Fast boot does seem to give rise to some odd quirks and driver problems. Disabling it is quite a common recommendation.
      My Computers
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