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Replace power adapter

Replace ac auto sensor for acer aspire l100

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Replace the adapter

Posted on Aug 11, 2009

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L100 desktop


Lost a power cable?

Like it was walking down the street one day, and the power cable fell out of it's pocket?

Or do you mean came loose?

Or in YOUR estimate, that one power cable coming from the Power Supply, is bad?

The first one I was trying to be funny.
I'm serious about the last two.

http://www.geeks.com/details.asp?invtid=ASL100-UA380A-R

Hmmm, okay let's try this another way,

(Notice I didn't even go to Acer Support. With the info they give the consumer, it isn't worth the trouble. Also tells you a lot about this computer company.........)

http://www.ebay.com/itm/Acer-Aspire-L100-Motherboard-MB-S6909-003-MBS6909003-/120919471509?pt=Motherboards&hash=item1c275cb595

Oh, I see................

http://www.amazon.com/Acer-Power-Aspire-Adapter-Supply/dp/B004PYZSCC

I just got schooled.

Don't believe there are any power wires inside to connect, Christina.
Power is from an external power supply, that plugs into the computer.
(Like a laptop)

The only wires in my estimate, is;
A) The small audio wire from the optical drive (CD/DVD drive) to the motherboard, (Close to the Blue VGA port)

B) The Front Panel wires,

C) USB Front Panel port wires to motherboard

D) Media Card Reader wires to motherboard

E) Harddrive and optical drive data cables to motherboard. (One each)

(The front of your computer is the Front Panel)

Computer not coming on?
See if the external power supply is good.

Voltage coming out is supposed to be 19 Volts DC.

The plug end on the external power supply;

The center hole is the Positive ( + ) connection.
The cylindrical metal shell on the outside, is the Negative ( - ) connection.

Multimeter positive ( Red) probe lead goes to center hole.
Negative ( Black ) probe lead touches outside cylindrical metal shell.

Multimeter positive (Red) probe lead, plugs into red hole on multimeter, marked DCV.
Negative (Black) probe lead only has one hole (Black), to plug into.

Function knob is set to DC Voltage. DCV.
If just a symbol, the symbol is a dotted line over a solid line.
If more than one scale, set it to the 0-50 Volt scale.
(0 to 50 Volts ]

An economical multimeter is about $5 to $12.
Auto parts stores have them. (Although probably more expensive)
I have seen them on checkout aisle racks, at major discount stores.

While checking the AC adapter, have an assistant gently wiggle the cable, from the AC adapter TO laptop.
See if the reading on the multimeter fluctuates. If so you have a broken wire in that cable.

Have the assistant also gently wiggle the power cord.

Or take down to nearest 'Mom and Pop' computer shop, (Small store), and have the resident tech check it for a few bucks

Could also be the Power On switch.
This is located inside the plastic assembly, of the power on button.
They go bad, and do not leave a forwarding address ;)

Post back in a Comment.

Regards,
joecoolvette

Mar 18, 2013 | Acer Aspire L100 PC Desktop

1 Answer

My acer aspire 4730Z is not turning ON....battery is down....when am connecting dh charger pin to dh lap, dh green indicator of dh charger goes on blinking. Lap top is like completely dead dat even dh...


Here below are possible causes and troubleshooting steps of laptop that can't power on, hope it may help:
Possible causes:

1. AC adapter failure.
2. Power jack failure.
3. Motherboard failure.

Possible troubleshooting steps and repair solutions:
1. Test the AC adapter with a digital multimeter. It's possible that you have a failed AC adapter. If you don't have a multimeter, test your laptop with another known good AC adapter.

2.It's possible that power jack (socket where you plug the AC adapter) is broken. Remove the motherboard and take a closer look at the power jack. In some cases you can fix the jack by resoldering it on the motherboard. In other cases you have to replace the jack with a new one. Using a multimeter, test if the power goes to the motherboard through the jack.

3. If replacing the AC power adapter and jack on the motherboard doesn't help, most likely you have a bad motherboard. Replace the motherboard.

Replacement Acer Aspire 4730 AC Adapter 65Watt 19V 3.42A

Intocircuit Acer Aspire 4730 AC Adapter 65Watt 19V 3.42A

Nov 19, 2012 | Acer Computers & Internet

1 Answer

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

    Sep 09, 2011 | Acer Aspire L100 PC Desktop

    1 Answer

    My acer aspire 4740g does not power on. i have removed the battery and directly connected to the power supply but still does not turn on.


    Problem description:
    The laptop is completely dead. When you plug the AC adapter and press on the power button, nothing happens. The laptop has no signs of life at all. None of the LED lights is working.
    Possible cause:
    1. AC adapter failure.
    2. Power jack failure.
    3. Motherboard failure.
    Possible troubleshooting steps and repair solution:
    1. Test the AC adapter with a multimeter. It's possible that you have a failed AC adapter. If you don't have a multimeter, test your laptop with another known good AC adapter.
    Acer Aspire 4740 AC Adapter
    2. It's possible that power jack (socket where you plug the AC adapter) is broken. Remove the motherboard and take a closer look at the power jack. In some cases you can fix the jack by resoldering it on the motherboard. In other cases you have to replace the jack with a new one.
    Using a multimeter, test if the power goes to the motherboard through the jack.
    3. If replacing the AC power adapter and jack on the motherboard doesn't help, most likely you have a bad motherboard. Replace the motherboard.

    Apr 21, 2011 | Acer Aspire 4235 4240 4535 4535G 4540...

    1 Answer

    My Acer aspire 4935 is not recognizing the AC adapter. When ever I shutdown the system and connects the AC adapter, it works and the charging LED lights up. Once I press the power button to boot the...


    Problem description:The battery charges only when the laptop turned off. The battery charge LED lights up as normal and the battery gets charged to 100% while the laptop is off.
    When the laptop is turned on, the battery charge LED goes off even if the adapter is still plugged in.
    Possible cause:1. AC power adapter failure.
    2. Battery failure.
    3. Broken/loose power jack.
    4. Motherboard failure.
    Possible troubleshooting steps and repair solution:1. This problem could be related to a faulty AC power adapter. It's possible that the AC adapter doesn't provide enough power when plugged into the laptop. To find out if this is your problem, you'll have to test the laptop with another working adapter.Replace the adapter if needed.
    http://www.chargerbuy.com/replacement-acer-aspire-9400-ac-adapter-19v-3-42a.html

    2. There is a slight chance that you have bad battery. Test the laptop with a know good battery and replace the faulty one if needed.

    3. The battery charge problem could be related to the power jack. Maybe the jack is broken or not making good contact with the motherboard. It is necessary to remove the motherboard and take a closer look at the power jack. Resolder or replace the jack if needed.

    4. If the power jack is in a good working shape and new power adapter with battery do not fix the problem, most likely you have a faulty motherboard. Replace the motherboard if needed.

    Feb 09, 2011 | Acer Aspire 4730-4947 Notebook

    1 Answer

    My Acer Aspire L100 PC Desktop won't start.. when i press power button it only flash LED light jus one time but no HDD sound or CDROM working sound. only CPU fan works thas bout it...Any help? pls


    Do you see anything on the screen?

    Try the following things:
    1. Try starting the computer with only the battery
    2. Remove the battery and try booting with only the power adapter
    3. Try removing and replacing your memory
    Could be a bad power supply or bad battery. After you try the above steps, report your results.

    May 22, 2010 | Acer Aspire L100 PC Desktop

    1 Answer

    Acer laptop Aspire 7000 does not power on


    If the laptop does not power up (not a slight sign of power flowing through it) even if the AC adapter is plugged into it, here are the possibilities:

    1. You AC adapter might be broken and need to be replaced. Some AC adapters have a light on it to signify that there's power flowing from the power outlet to the power cable.

    2. If your AC adapter is working fine, maybe your power supply is broken. If your laptop is with in warranty, have Acer replace it. If not, find a repair center who does.

    Apr 10, 2009 | Acer Computers & Internet

    1 Answer

    Acer laptop shut of during power outage .


    From the Acer website:
    Product
    Notebook
    Issue
    Power Issues or Will not Boot
    Solution
    If the notebook does not power on:

    Make sure the ac adapter is correctly plugged into the notebook and into the power cord.

    If everything is plugged in correctly and it still will not power on, follow these steps to complete a ‘power reset' of the notebook.
    1. Unplug the ac adapter. Keep ac adapter unplugged.
    2. Remove the battery and keep the battery unplugged.
    3. Hold the power button down for 15-20 seconds. (Nothing will appear on the display and none of the lights will light up.)
    4. Release the power button and plug in the ac adapter ONLY. (Please note that a power indicator light should be lit on the ac adapter when it is plugged in).
    5. Normally power on the notebook.
    6. If the unit does not power on, remove the ac adapter and insert the battery into the system.
    7. Plug the ac adapter back into the system, the battery charging indicator light will light up.
      If the battery charging indicator light does not light up, the ac adapter may not be providing proper power to the unit, and may need to be replaced.
    Also, depending on whether your power went down "clean" (quick and stayed off), or went down and quickly came back on and off many times. Or when it came back on "clean" (came back on quick and stayed on), or it came on then off many times, your power supply may have been damaged from the power surges Are you having any problems with any other appliances?

    Feb 07, 2009 | Acer Aspire L100 PC Desktop

    2 Answers

    Acer Aspire L100 will not power up


    Power supply is bad. Replace the power supply.

    Dec 30, 2008 | Acer Aspire L100 PC Desktop

    2 Answers

    Acer Aspire L100 PC Desktop


    Go back to Acer.com. The driver you want is the one that say's (Power 1000 chipset driver) that is if it's an integrated Network card. If it's not integrated then I would need the name on the card. Hope this helps.

    Nov 17, 2008 | Acer Aspire L100 PC Desktop

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