gray screen with horizontal lines at start up or wake from sleep


  1. Posts : 8
    Windows 7 Home Premium 64 bit
       #1

    gray screen with horizontal lines at start up or wake from sleep


    My daughter's hp pavilion dv6-6163cl entertainment notebook has begun to show a gray screen with horizontal lines at start up and after sleep (opening the laptop cover). This lasts for a few moments, then her log in screen appears. There is no sound when the screen appears and no mouse visible. It does not happen every time the computer starts or wakes from sleep.

    No new software installed; nothing downloaded. Microsoft Windows is updated.

    What I have done already:

    updated to latest Intel graphics driver
    hp diagnostics test on hard drive and memory (via BIOS screen): both passed
    Windows Defender Offline scan
    Microsoft Security Essentials virus scan
    sfc /scannow
    chkdsk /r
    safe mode and restart
    "windows repair" after pressing f8
    selective start up
    malwarebytes scan
    Spybot Search & Destroy scan
    uninstalled McAfee and installed Microsoft Security Essentials
    System restore to earlier time
    BIOS driver updated

    Haven't been able to tell if the problem happens in safe mode because it happens so intermittently.

    Any thoughts are appreciated.
    Last edited by fireflymd; 14 Oct 2013 at 12:41.
      My Computer


  2. Posts : 8
    Windows 7 Home Premium 64 bit
    Thread Starter
       #2

    I think it is a connection problem between the laptop monitor and the base--my daughter just showed me the display flickers when she moves the monitor. I've read about faulty or loose wiring between the monitor and the keyboard/base of the laptop.

    I'll try to see if we can get this fixed.
      My Computer


 

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