Win 10 will not use my 2nd monitor after upgrade from Win 7


  1. Posts : 3
    Windows 10 32bit
       #1

    Win 10 will not use my 2nd monitor after upgrade from Win 7


    ​​Hi all, Eric from Florida here, with my first problem that I can't solve.

    First, the soft facts, my system is as follows:

    1. Windows 10 upgraded from Windows 7 32-bit.
    2. AMD Catalyst Software Suite v 15.20.1062.1004, which the software update function says is current.


    Second, the hard facts

    1. AMD APU A-10 5700 3.4 gHz w/Radeon 7660D graphics built in.
    2. ASRock FM2A85X motherboard which supports up to 3 monitors.
    3. 2.4 GB of usable RAM
    4. Dual Dell 1905FP monitors (my work is better served without wide screens and they ain't broke), hooked up on DVI and VGA
    5. I have tried two different VGA cables.
    6. Yes, it is a home build.


    Third, the situation

    1. Monitors worked fine when running as extended displays under windows 7 (actually never even set that up, it just worked after I hooked up the second monitor)
    2. I have not been able to get monitor 2 (VGA) to display anything.
    3. If i unhook monitor 1 (DVI) and reboot then monitor 2 will work, but if i reconnect monitor 2 and reboot neither monitor will work and visa versa.
    4. AMD catylist will show, under detect display, only 1 monitor, 2 monitors of different sizes, or 2 monitors of the same size.
    5. Windows devices shows either a Dell 1905FP or a Generic PnP monitor. I can not correlate a cause and effect of why.


    Now, the plea for help

    1. I am fresh out of ideas and think i have tried every combination imaginable and still get the same result (maybe I am just insane?)
    2. Am I just a victim of conflicting drivers?
    3. Any ideas would be greatly appreciated!!!
      My Computer


  2. Posts : 19,518
    W11+W11 Developer Insider + Linux
       #2

    I would download ( from AMD) new drivers and reinstall them, make sure they are for APU processors and not for discrete GPU.
      My Computers


  3. Posts : 3
    Windows 10 32bit
    Thread Starter
       #3

    Thanks Count, I'll give that a shot!
      My Computer


  4. Posts : 166
    Win 10 Pro 64Bit
       #4

    Hi

    Sorry if this is too simple but if you Press the Windows key and P, is Extend selected?

    Regards
    UKMedia
      My Computer


  5. Posts : 3
    Windows 10 32bit
    Thread Starter
       #5

    Win 10 will not use my 2nd monitor after upgrade from Win 7


    UKM...I'm able to choose to extend in both windows and amd catylist. But when I do I only get half of my window on one monitor and the second monitor remains black.
      My Computer


  6. Posts : 166
    Win 10 Pro 64Bit
       #6

    Did you fix this?
      My Computer


 

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