Question about Dell Dimension 4550 PC Desktop

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No power to tower. Pressing power on button on front of tower fails. Is there some kind of reset or fuse to look for?

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  • wandman Sep 08, 2010

    Have you tried basic trouble shooting?
    -- switching the power plug to a known working outlet?
    -- checking the plug connection in the back of the computer - or the power toggle switch in the back?

    (I recently had only half of the outlets die in my UPS backup battery.)

    If you're handy at all, you could try swapping a power supply unit in from a different computer.

    Sam

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There is no easy fuse. Did the computer get turned off at the back? Some power supplies have a switch on the top of the tower. Did the power strip get turned off? Have you verified that the outlet has power?
If this is not the problem, it sounds like a blown power supply. Do you have any lights on the system? If not, take the tower to a local computer shop and they can very quickly diagnose a failed power supply.

Posted on Sep 07, 2010

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The Acer Aspire L100 is a desktop computer powered by a special DC adapter and power cable. The computer's motherboard incorporates a fuse designed to prevent any power surges from damaging the computer. If the fuse burns out due to a power surge or for any other reason, the computer will no longer function. You can check the motherboard fuse for damage yourself, then take it to a trained technician for replacement if needed

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Let me know if this helped..



  • 2 Press the "On/Off" button on the front of the tower. If the computer will not boot and the fan does not turn on, the fuse may be burned out.
  • 3 Unplug the power cord from the rear of the tower.
  • 4 Turn the tower on its side and remove the Phillips-head screws connecting the back panel to the Aspire L100's cabinet.
  • 5 Pull out the motherboard assembly gently from the back of the cabinet. The internal fuse is located on the motherboard behind the DC power jack, which is to the right of the monitor jack.

  • Read more: Fuse Location on Acer Aspire L100 ' eHow.co.uk http://www.ehow.co.uk/how_7815704_fuse-location-acer-aspire-l100.html#ixzz1XUVwmxuA

  • 3 Unplug the power cord from the rear of the tower.
  • 4 Turn the tower on its side and remove the Phillips-head screws connecting the back panel to the Aspire L100's cabinet.
  • 5 Pull out the motherboard assembly gently from the back of the cabinet. The internal fuse is located on the motherboard behind the DC power jack, which is to the right of the monitor jack.

  • Read more: Fuse Location on Acer Aspire L100 ' eHow.co.uk http://www.ehow.co.uk/how_7815704_fuse-location-acer-aspire-l100.html#ixzz1XUVwmxuA

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