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Discussion in 'Windows XP' started by bash62, Jul 16, 2007.

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  1. bash62

    bash62 Thread Starter

    Jul 19, 2006
    now and again i get like a n alarm or siren coming from tower .goes for a while then stops . no idea what it is any ideas ???
  2. tony007

    tony007 Banned

    Jun 17, 2005
    A common cause for the "siren alarm" sound is overheating.

    It's not difficult to check (and most computers need a regular cleaning anyway):

    1. Turn off and unplug the computer's power cord
    2. Open the tower's case, usually on the left side as you're facing it. Some, like Dells, have to be laid on their sides, the latches on top and bottom pressed simultaneously while lifting, opening the case like a clamshell
    3. Carefully remove all dust buildup with either a hose-type vacuum cleaner (only if the hose end is plastic; metal can discharge static electricity, definitely not good around electronics) or canned air (available at most hardware stores; use short blasts since long, protracted blasts can cause liquid condensation to spray, also not good on electronics)
    4. Clean the air vents on the case, both front and back, to make sure they're not clogged with dust.
    5. If the processor is covered with a plastic hood, remove and make sure all dust accumulated between the vanes of the heat sink is removed. A small soft brush, like an artist's paintbrush, works well for the stubborn stuff)
    5. With the case still open, plug the power cord back in and start it up. Look inside and make sure all fans are running (some video card fans will only start when a load is placed on the card)
    If it is not the above I'me afraid it could be a motherboard problem or maybe a new psu is required.
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