Black screen at start up


  1.    12 Jun 2012 #1
    Join Date : Mar 2011
    Posts : 2
    Vista Home Premium 32bit
    Local Time: 14:01

    Black screen at start up


    I've a Packard Bell desktop PC running Vista Home Premium. Have had it for a couple of years. Have kept up to date with all relevant updates.
    On Sunday when I turned on my PC and screen the screen did not display (remained black). Windows loaded and I then turned the screen off and turned it back on again and lo-and-behold the display was OK and remained OK thereafter. The same happened on Monday so I did a system restore to last Friday (when all was working OK). Today (tuesday) the same - black screen on start-up - occured. I had not added any software between Friday and Sunday, I do not use any 'hibernation' type functionality.
    If I do a restart the screen displays OK.
    Help I'm a bit lost as to what may be causing this behaviour ?
    Any advice greatly received
    Thanks
    Bazza
      My System SpecsSystem Spec

  2.    12 Jun 2012 #2
    Join Date : Mar 2010
    England
    Posts : 3,642
    Windows 8.1 Pro x64
    Local Time: 14:01
    uk uk england

     

    Re: Black screen at start up


    Hello BazzaS and welcome to the forums

    I think a good place to start is by doing a clean boot:

    How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7

    Follow the instructions in that link to establish what's the problematic startup entry

    Tom
      My System SpecsSystem Spec

  3.    13 Jun 2012 #3
    Join Date : Nov 2010
    Hoboken, NJ
    Posts : 538
    Vista Ultimate x64
    Local Time: 09:01
    usa us new jersey

     

    Re: Black screen at start up


    What caught my eye is that you said you find that you've turned on the both the computer and the screen, but that the screen remains blank through the loading up of Windows. You turned it off then back on and then the screen finally shows the normal display. But even after a system restore, the problem repeated.

    When booting up, the most basic of services is started in Windows, including a simple VGA display service. This is later overlaid by a much more sophisticated video driver and other software to manage graphics as the main Windows logon screen appears. So, if you're not even seeing the basic start-up display, then I have a feeling there is an issue with the monitor. It could be something as simple as a dirty switch. Try turning it on/off a few times. Does it always display normally again when switched on? If you reboot, does it remain OK? Is this problem happening only after having not used the computer overnight?
      My System SpecsSystem Spec

Black screen at start up

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