Question about Acer Aspire M1641-U1521A PC Desktop

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Computer stopped communicating with the monitor & keyboard

My Acer Aspire M1641 was working fine this morning, but now won't send a signal to the monitor or keyboard. Monitor powers up & displays a message that it is functioning, but needs cords checked. Tried my other working monitor on it, but it just stays black with power on. Any ideas? Thanks!

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  • Suswoman Apr 21, 2009

    I opened it up and made sure nothing was loose, but it all looked OK. Also tried replacing the keyboard, but the other one also does not seem to get any power from the computer (no lights on). Can't test if the mouse has power because I can't see the screen. Someone mentioned to me that I may have accidentally hit some combination of keystrokes that instructed the computer to look for a different monitor, rendering the connected one useless. Does anyone know anything about that possibility? Thanks!

  • Suswoman Apr 22, 2009

    Not yet, but I did try 2 other working monitors on the computer, with the same result, so I'm guessing it's the computer.

  • mrninja
    mrninja May 11, 2010

    have you tried the monitor on another pc? to confirm that the monitor works?

  • mrninja
    mrninja May 11, 2010

    make sure the video card is seated properly, there have been occasions where the card will creep out of the slot ( because of the hot/cold, expansion and contraction going on in the tower)

  • Dick
    Dick May 11, 2010

    The computer is dead. No way to know what the problem is without more information, the kind that you get by opening it up and testing things.

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  • Master
  • 600 Answers

I agree, if you did a combo of keystrokes (re: cntrl+F5 for monitor) thats only a shortcut keystroke and should be able to do and undo all changes in "control panel">"display">"settings">advanced

Posted on Apr 22, 2009

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