Question about Acer (56.04145.901) (5604145901) Power Supply

2 Answers

Problem with battery or power cord?

Acer laptop. Is it the battery or power cord....the cord gets hot....and when plugged in it changes to charging and then to not charging? I have to move the cord around before it chargers ....to I buy and cord or battery?

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  • Anonymous Jan 11, 2009

    i woke up one morning and the cord was not charging and the battery was like dead if one of u could find a way to fix it thats easy that would be cool

  • djdcorvette Feb 15, 2009

    My dog tripped over teh power chord to my Acer laptop and it fell to the floor .I turned ti on and it started up and seemed fine until the battery died and it will not charge or start up. Need help!

  • Anonymous Feb 23, 2009

    battery won't charge

  • Anonymous Feb 25, 2009

    I have to move my cord arund and hold it in one spot till its fine. but now it wont do nothing at all and my computer is dead.

  • gazhayes Mar 05, 2009

    Had my new laptop for 2 weeks. I have to wiggle the power cord to make it work, the round DC power cord where it connects to the converter box (black).

    I have an Acer aspire one.

    I opened the power adapter to take a look since I was a TV repair guy before and know what I'm looking for. The soldering joints are about what a 12 year old kid does when they first learn about electronics! Horrible. Cheap piece of worthless cr*p. What did I learn? DO NOT BUY ACER.

    I will contact acer for a replacement but I doubt they will do it because I opened it up, why did I open it up? Because I have a business to run and don't have time to mess around with dodgy equipment produced by dodgy companies.


  • Anonymous Mar 26, 2009

    I have an Aspire 5735Z and it suddenly stops recognizing the power connection. It will beep and flick between "battery" and "plugged" power modes erratically. Moving the cord helps sometimes, but it is firmly plugged in.

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Its on the inside of the laptop... mine does that and it got to the point where the plug melted... warrenty doesnt cover that (so i just found out) and my new cord does the same thing.

Posted on Jul 31, 2009

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It could be a short in the power cord or a lose dc jack in the back. what model acer is this for as power packs for them dont cost to bad.

Posted on Nov 30, 2008

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Acer aspire 4743 not charging but all Okay.....


The solution to your problem lies in one of the following three areas:

1.) Your acer aspire 4743 charger is faulty and is therefore not able to pass power to your laptops battery.

2.) The charging connector on the laptop has come loose from the contacts. Therefore a bad connection.

3.) Your battery is faulty.

I think possibility 2 is the most likely, although you will have to test possibility 3 by removing the battery and plugging in your charger and seeing if the laptop powers on.If it does power on then that rules out possibility 1 and 2 leaving a faulty battery.

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The solution to your problem lies in one of the following three areas:

1.) Your charger is faulty and is therefore not able to pass power to your laptops battery.

2.) The charging connector on the laptop has come loose from the contacts. Therefore a bad connection.

3.) Your battery is faulty.

I think possibility 2 is the most likely, although you will have to test possibility 3 by removing the battery and plugging in your charger and seeing if the laptop powers on.If it does power on then that rules out possibility 1 and 2 leaving a faulty battery.

If you need to buy a new laptop charger, the following to adapters are for your reference:

Replacement Acer Aspire 4750 AC Adapter 65Watt 19V 3.42A

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Have a Gateway Laptop Computer Model #MT6708. Previously computer had blank screen and no power. Currently purchased new battery and power cord. Computer now operating screen and power is on. However, when...


First thing check that the battery charge light is on when the battery and the charger are connected.
If it is it indicates that the power supply is charging the battery,
If it isnt it may indicate a fault with the battery or that the charger is not compatable with the laptop or that there is a fault with the charger.
If the battery is charging then try running the laptop on battery only without the charger and on charger only without the battery.
This will eliminate which one is faulty.

You mentioned that if you wiggle the cord then the light comes on again.
Check to see if the charger end plug is lose or the actual port on the laptop is lose.
If the charger plug is lose then return to seller and make sure they gave you the correct charger. if the actual port on laptop is lose then perhaps u got a bad connection and you need electrician or local laptop technician to open it up and solder properly on motherboard.

Let me know how it goes.

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1 Answer

Acer laptop won't charge.


When you finally get the charge light to come on, does the battery get fully charged? How long can it run while not plugged in?
A junker will not charge properly, or hold a charge for a short period of time. If this is the case, time to get a new battery.
If the battery seems to charge fine and the uptime is acceptable take a look at the charger and connectors, make sure their clean and free of debris. Maybe try to locate someone with the same charger and see if the problem continues (Some computer shops may have your charger)


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There is a battery cycle reset in BIOS. try that first. If not see if you still have manufacturer warranty to get a new battery.

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1 Answer

Power cord cuts in and out


There are two places the trouble can be happening, at the adapter plug or at the power jack in the laptop. To determine which one is causing the power loss, hold the plug in the computer steady with your fingers while you wiggle the adapter cable. (If you have access to a voltmeter you can measure the voltage at the plug while you wiggle the cable to see if remains steady.)

If the charge light flickers it's the adapter cord that's bad. Because the wire flexes so much at the plug, it can break inside the insulation and cause the power loss. You either need to replace the adapter or repair it by cutting off the bad end and installing a new plug.

If the charge light remains on with the plug held steady but flickers when you wiggle the plug itself, the trouble is on the main board in the computer. The solder connections at the power jack have broken from the plug flexing and need to be repaired. This involves opening up the computer and getting at the solder side of the main board. It's tedious but relatively simple. If you are not experienced with soldering on small electronics, leave this to a professional shop.

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Jack is loose where charger plugs in


This same thing is happening with my acer laptop. I sent it to the company about 3 months ago, and it happened again. I really need my laptop and cant take a month without it. I advise sending it in to be fixed to your laptop company.
Good luck (:

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Hi, can you use a multimeter? If so then check on the power suply what the voltage output should be for that unit. Then with the power turned on GREAT CAUTION MUST BE TAKEN AT THIS STAGE AS TESTING THE WRONG END COULD CAUSE ELECTROCUTION use the meter to test the laptop end plug only and see what power output you have. If you can not do this then take the power supply to a technician and have it tested. If ok = dead battery, if not replace power unit. Regards mistyman

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