Question about Acer Aspire T690 (AST690UP820A) PC Desktop

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Computer Not Reboot

Can get the power light, hard drive working light to come on, but continuous high pitch audio sound from the tower....no monitor picture....will not start nor acknowledge recovery dvd in drive. Have to shut down by holding down power button. Will not respond to Ctrl/Alt/Delete

While computer operating fine, young son hit Ctrl and Esc I believe simultaneously and went into the described mode.

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  • 2 more comments 
  • horusmd Sep 18, 2008

    Computer sends no signal to monitor- makes high pitch beep from tower- must be shut down from power button will not reboot

  • cavdragon Nov 14, 2008

    When I push the power button the computer turns on for a split second, stops, and restarts a few seconds later and makes a high pitched beeping noise. Actually a long, non-stop, tear-my-ears-off beep.

  • hill_sheila_ Nov 30, 2008

    When I hit the power button on the tower all it does it send off this high pitched beep, it will not load a recorvery disk or do anything else but just beep.

  • Anonymous Feb 10, 2009

    Will not boot with both ram sticks installed. Works fine with just one but very slow.

    I can use either ram by itself and use either slot by itself.

    Just won't boot with both ram sticks installed.

    no errer message or nothing, just won't boot

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Not sure if this is the final problem, but I removed one of the stick of RAM and tried powering up and it started! After waiting forever for my system to boot up, I shut down and re-installed the memory and it's running fine. If it does it again, I may just replace the RAM altogether.

Posted on Nov 14, 2008

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Posted on Jan 02, 2017

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