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Tower not coming on

I shut down my tower and then disconnect all cords to clean and when hooked eveything back tower will not power up. Dont know if i actually there is somethign wrong? Had this problem befor when i lost power and unplugged everything and let set and then it worked later. Is there something internal that has to wait like a reset button?

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  • scott1211966 Jan 04, 2009

    when you push the power button ,there is no light that comes on or anything

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Check the power supply, if you don't hear any whir at all from the fan, power supply needs to be replaced.

Posted on Jan 04, 2009

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If the fan is not spinning this can be the issue ...but it can also be the motherboard itself ..if you have the possibility try to change the fan ..cause if it fails to start the computer will also fail cause the cpu it will shut down the system instantly if it has no cooler working ..(gets to the shut down temperature in one sec or so ) If it seams that it is trying to start ..but , like I said , it shuts down ..just try to change the fan ...but it may be a issue with the power supply or the motherboard as well...

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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

Shut down the Acer Aspire L100 and turn the tower around.

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.

Unplug the power cord from the rear of the tower

Turn the tower on its side and remove the Phillips-head screws connecting the back panel to the Aspire L100's cabinet.

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

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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    Reconnect power cord and power up.
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    Hello

    This usually occurs when your RAM is faulty and can actually happen to all computers running many different operating systems. Aside from installing a new operating system to test out the RAM, you can simply switch out your RAM.


    Turn off your computer if it is on. If you are experiencing the black screen regularly, there is a good chance that it will not allow you to boot up your computer fully without shutting itself down. If this is the case, your computer is already more than likely off. Remove the power cord from the computer tower.

    Remove the screws that hold the PC tower cover in place with a screwdriver. The tower cover usually only comes off on one side, so gently remove the side that is capable, and place it away from the tower. Users with laptops need to remove the RAM panel from the underside of the computer. This gives you access to the RAM for replacing.

    Locate the RAM that is attached to the motherboard of your computer. You will see clasps that hold the RAM into place, and you may see more than one stick of RAM. Remove all of the RAM sticks by pushing the clasps away, unhooking the RAM from the motherboard. Click your new, replacement RAM into place, and cover the tower back up with the cover, or replace the laptop RAM panel.

    Hook up the power cable or place the battery back in, and power on your computer. You now see that your computer is working without the black screen appearing. If you have more than one stick of RAM, turn the computer off, and remove the power cords and battery. Insert one old RAM stick, and cover the tower back up, replace the power cord or battery, and turn on your computer. Check to make sure it does not present you with the blue screen. One by one, reinsert the old RAM sticks into your computer, and test your computer for stability. Once you are presented with the black screen, remove the last old RAM stick that you inserted, and your screen problems are gone.

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    Hi,
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    Turn off the computer by pressing on the power button on the system tower for 10 seconds.

    Disconnect the black power cord at the back of the system tower and then again press the power button on the tower for 10 seconds. There would be no activity on the tower when you do this.

    Reconnect the power cord and then power on the computer to see if the issue is resolved.


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