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Tower won't turn on

The tower will not turn on, the surge protector was turned off accidently and when It was turned back on the tower isn't responding.

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Brandi,

Please check the following:

1. Make sure the the surge protector is securely plugged into the wall. Test this by plugging in a light / lamp to it, to make sure it's working.
2. Make sure that the surge protector is turned on.
3. Check to make sure that the power cable from the computer to the power surge protector is securely plugged in.
4. Check to see if the computer will power on now.

5. If this still isn't working, remove the power strip/surge protector and connect the computer directly to the wall.

6. If this STILL isn't working, try plugging your computer into a different outlet in the house to see if the outlet in your home might be bad.

6. If your computer STILL isn't powering on then I'm afraid the worse has happened, which is one of the following issues:

1. Bad power supply (they are cheap, around $20-40)
2. Bad motherboard (they are sort of pricey, around $50-200)
3. Bad CMOS battery (they are cheap, around $5-10)

I can fix all of the above and order parts for all of the above, if you are in need of parts.

I hope this troubleshooting guide helps you! If this resolves your issues, please mark this question as resolved and select my answer. This will assure customers that I can help them with their issues.

Thank you,
Larry Braziel

Posted on May 12, 2009

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reset the surge protector first!

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I reset my surge protector and the computer wont power up. i think i need a new power supply. the power cord is working fine. Please let me know where i can find a power supply for the aspire...


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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    Advise, c

    1) Check to make sure THE receptacle in the surge protector that the computer is plugged into, is good.
    I have had a few surge protectors where just THAT receptacle was bad.

    ("Hmmm, monitor, router, and printer has power from the surge protector." Checked the receptacle in the surge protector that the computer was plugged into, with a table lamp, found THAT receptacle was bad)

    2) Receptacle in surge protector proves to be good?
    Suggest performing the test to see if the problem is the Power On switch, or the Power Supply.
    (The Power On switch is located inside the plastic Power On button)

    The test involves bypassing the Power On switch, by using a jumper wire on the Soft Power On, in the ATX main power cable's connector.
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    Using the jumper wire the computer (Power Supply) comes on?
    Problem is the Power On switch.

    [ Example of a generic ATX power on switch that I have found fits many computers,

    http://www.directron.com/atxswitch.html ]

    Using the jumper wire the computer (Power Supply actually), does Not come on?
    The problem is the Power Supply.
    Replace.

    http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

    (Green wire {PS_ON} is the Soft Power On wire. It is jumped to ANY Ground {Black} wire)

    Want to know how to Properly perform the above test? Please post back in a Comment.
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    Regards,
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    Suggest you check the simple stuff first.

    Not checking is akin to a car that won't start, and tearing apart the entire fuel system, only to find it was just out of gas.

    1) Make sure the receptacle the surge protector is plugged into, has power. Surge protector Power On light should be lit.

    2) Check THE receptacle in the surge protector, that the computer itself, is plugged into.
    Have had a number of expense surge protectors, where just THAT receptacle was bad.

    ("Hmmm, surge protector Power On LED light is lit. Monitor, printer, sound system, and router plugged into the surge protector has power. Should be good to go.

    NOT!
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    Make SURE it has power)

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    See if the problem is a $5 Power On switch, or the Power Supply.

    (Generic ATX Power On switch that I have found fits many computers,

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    http://en.wikipedia.org/wiki/Computer_power_supply

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    http://en.wikipedia.org/wiki/Switched-mode_power_supply

    By bypassing the Power On switch, you will be able to determine if the problem is the switch, or Power Supply.

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    A jumper wire is used on the 20, or 24-pin ATX main power cable.
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    Post back in a Comment.

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