LEXMARK X656DE blank screen and beeping

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  • blanka
    Technician
    • Aug 2011
    • 34

    #1

    LEXMARK X656DE blank screen and beeping

    Hi

    I have a Lexmark X656DE that when you switch on the screen will stay blank/black and it will beep 3 times then stop then beep 3 times again then stop and it will continue the sequence of beeping, if you tap the screen or press any button then the screen will lit up abit (change from black screen to gray) i cannot hear any motors running, see any lights flashing or even hear the machine trying to boot up at all.

    Any help would be appreciated
  • Iowatech
    Not a service manager

    2,500+ Posts
    • Dec 2009
    • 3930

    #2
    Re: LEXMARK X656DE blank screen and beeping

    You might try swapping the touchscreen assembly, I had something similar to this a while back and that was the final resolution to the problem that time. Then again. I could lay the back of my hand on the display area before the problem was resolved and feel unusual warmth even though the display appeared to be off, so if you haven't seen that take this with a grain of salt.

    Comment

    • JustManuals
      Field Supervisor

      5,000+ Posts
      • Jan 2006
      • 9838

      #3
      Re: LEXMARK X656DE blank screen and beeping

      This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from:


      Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


      Paul@justmanuals.com

      Comment

      • Silvertoast
        Trusted Tech

        250+ Posts
        • Feb 2010
        • 270

        #4
        Re: LEXMARK X656DE blank screen and beeping

        i have seen this once on a 646? or like. lightning hit it and cooked the modem and sys card

        Comment

        • ShmulikSalama
          Technician
          • Dec 2012
          • 11

          #5

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