No VGA or HDMI output on my Sony Vaio Lap after upgrade to windows 7

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  1. Posts : 12
    Windows 7 (6.1) Ultimate 32-bit SP1 Build(7601)
       #1

    No VGA or HDMI output on my Sony Vaio Lap after upgrade to windows 7


    There is no VGA or HDMI output on my Sony AR VGN-AR51M

    after upgrade to windows 7 from vista, yet my Driver

    Support program says my Standard VGA Graphics display

    adapter is working ok. I have tried installing various

    updates and new display drivers but will not accept them and says it is not compadable.
      My Computer


  2. Posts : 6,292
    Windows 7 64 Bit Home Premium SP1
       #2

    To be clear: you have output to the laptop display screen, but no output to an external monitor through either video port?
      My Computer


  3. Posts : 12
    Windows 7 (6.1) Ultimate 32-bit SP1 Build(7601)
    Thread Starter
       #3

    Yes TVeblen, thought there was something I should mention!! There is no output to a remote monitor.
      My Computer


  4. Posts : 6,292
    Windows 7 64 Bit Home Premium SP1
       #4

    Ok. That should work even when just running the generic graphics driver that comes with Windows. Meaning I doubt it has anything to do with the dedicated graphics driver.

    Have you checked your display settings? Right click on the Desktop > Screen Resolution
    With the external monitor plugged into HDMI, try the DETECT button.
      My Computer


  5. Posts : 12
    Windows 7 (6.1) Ultimate 32-bit SP1 Build(7601)
    Thread Starter
       #5

    TVeblen said:
    Ok. That should work even when just running the generic graphics driver that comes with Windows. Meaning I doubt it has anything to do with the dedicated graphics driver.

    Have you checked your display settings? Right click on the Desktop > Screen Resolution
    With the external monitor plugged into HDMI, try the DETECT button.
    Yes I have checked my display settings.

    I read a article similar to my problem last night! but I will have to search for it regarding the bios being enabled for that operation but I could not fine it in the bios and the bios will only stay open for a short period then shuts my laptop down until I restart!!
      My Computer


  6. Posts : 6,292
    Windows 7 64 Bit Home Premium SP1
       #6

    That sounds like a bigger problem.

    The BIOS does not normally need to be 'enabled' on a laptop. That article probably referred to a desktop with both on-board and dedicated graphics.
    A laptop can have processor based graphics plus a dedicated graphics chip. This can require some configuration, but again it will be in the Display Settings, not in the BIOS Settings.

    Post a link to the Sony page for your exact model laptop. It would help to know what you have for graphics adapters.
    Also post what graphics drivers you installed and where you got them from.
      My Computer


  7. Posts : 12
    Windows 7 (6.1) Ultimate 32-bit SP1 Build(7601)
    Thread Starter
       #7

    Thanks TVeblen, I have attached my system for your interest:
    No VGA or HDMI output on my Sony Vaio Lap after upgrade  to windows 7 Attached Files
      My Computer


  8. Posts : 6,292
    Windows 7 64 Bit Home Premium SP1
       #8

    You have a single graphics adapter, nVidia GeForce 8400M GT.
    Where did you get the drivers you have tried?
    How many drivers have you tried?
      My Computer


  9. Posts : 12
    Windows 7 (6.1) Ultimate 32-bit SP1 Build(7601)
    Thread Starter
       #9

    Drivers, I have tried quit a few now even the latest from nVidia and others from suggestions.
    These were the latest:

    337.88-notebook-win8-win7-32bit-international-whql
      My Computer


  10. Posts : 1,519
    Windows 7 Ultimate 64-bit, Windows 8.1 64-bit, Mac OS X 10.10, Linux Mint 17, Windows 10 Pro TP
       #10

    A question: is the Notebook 32-bit or 64-bit hardware? Is 32-bit Win7 installed or the 64-bit version? It makes a difference in getting the correct version of drivers for the OS installed.
      My Computer


 
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