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  1. Joined : Jan 2015
    Posts : 5
    Windows 10 tech preview
       27 Jan 2015 #1

    Win 10 not seeing multiple monitors


    The OS does not see my second monitor in device manager. Is there a fix?
      My System SpecsSystem Spec


  2. Joined : Oct 2014
    Posts : 839
    Windows 8.1, Win10Pro
       28 Jan 2015 #2

    I had the same problem until I installed AMD drivers. Only then did I get to use both screens.
      My System SpecsSystem Spec


  3. Joined : Jan 2015
    Posts : 5
    Windows 10 tech preview
       28 Jan 2015 #3

    Mark Phelps said: View Post
    I had the same problem until I installed AMD drivers. Only then did I get to use both screens.
    I tried that several times. I get a message "There was a problem installing updates, but we'll try again later". Now what?
      My System SpecsSystem Spec


  4. Joined : Jul 2014
    Serbia
    Posts : 6,954
    All kinds
       29 Jan 2015 #4

    Don't use MS drivers, download and install appropriate drivers from AMD.
      My System SpecsSystem Spec


  5. Joined : Dec 2013
    Cheshire, England
    Posts : 1,422
    Windows 10 Pro x64
       29 Jan 2015 #5

    Is your 2nd monitor connected to a PC (with graphics card? what graphics card?).
    I have a 2nd monitor running attached to my laptop via the d-sub output and that worked flawlessly (Extended and Duplicate).

    -Jamie
      My System SpecsSystem Spec


  6. Joined : Jan 2015
    Posts : 5
    Windows 10 tech preview
       29 Jan 2015 #6

    Thanks for the reply. I have the AMD Raedon 7560. I have tried it both ways. Downloaded the AMD detection tool. Downloaded the correct AMD driver. Device manager shows error 43: Windows has stopped this device because it has reported problems. (Code 43). Neither method, MS or AMD drivers work. Waiting for a solution but it appears MS may not get to this one anytime soon.
      My System SpecsSystem Spec


  7. Joined : Dec 2013
    Cheshire, England
    Posts : 1,422
    Windows 10 Pro x64
       29 Jan 2015 #7

    What about trying to install it in compatibility mode?

    Right click the .exe and select properties, then select the Compatibility tab and tick the option to run in compatibility mode and choose windows 8.

    Click image for larger version. 

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    Does this help at all?

    -Jamie
    Last edited by JDobbsy1987; 29 Jan 2015 at 10:57.
      My System SpecsSystem Spec


  8. Joined : Nov 2013
    Toronto
    Posts : 4,288
    Win 10 Pro x64
       29 Jan 2015 #8

    Mine is an older AMD Radeon 5450 and the driver was automatically updated during the first update after installing 9926.



    Both the on-board and the add-on graphics card are running at the same time so I have 4 monitors running.
      My System SpecsSystem Spec


  9. Joined : Jul 2014
    Serbia
    Posts : 6,954
    All kinds
       29 Jan 2015 #9

    You can also try to completely uninstall and cleanup drivers with: Download Display Driver Uninstaller - MajorGeeks in safe mode and then reinstall AMD drivers.
    Just one more thing, your monitors would not be both with VGA inputs, would they ? Those GPUs can't handle two VGA outputs at same time.
      My System SpecsSystem Spec


  10. Joined : Jan 2015
    Posts : 5
    Windows 10 tech preview
       29 Jan 2015 #10

    Main monitor is DVI, #2 is VGA. Jamie, how do I get to that compatibility mode form?
      My System SpecsSystem Spec


 
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