Question about Acer Aspire 3002LCi Notebook

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Acer 3000 Loose Ac connection.

Laptop works sometimes and other times move power plug and it will start, and sometimes goes off while in use.

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  • 324 Answers

Good day, Army4!

The two most common causes for this are 1- the DC power jack is loose or damaged. You will have to remove the motherboard to gain access so that you can replace or resolder it. 2- The connector or wire on the cord that comes from the AC adapter is defective or has an intermittent open. In some cases, you can replace the cord, or you may have to replace the entire AC adapter, or (if your are a bit adventuresome, and have a little experience in electrical/electronic repair) you may be able to find the fault and fix it.

If you need any additional information, please feel free to ask. If this information has assisted you in the resolution of you problem, please return here to give my assistance an appropriate final rating. If this information has answered your question and/or lead to a resolution, please rate it as "Fixya!".
Thank you, and have a super day!
Ron-

Posted on Nov 28, 2007

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Posted on Jan 02, 2017

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2 Answers

AC adapter 4750z


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

Replacement Acer Aspire 4750 AC Adapter 90Watt 19V 4.74A

Nov 15, 2012 | Acer Pwr Ac Adapter For Travelmate 4750...

2 Answers

The adapter light is on when first plugged in but then when I connect the adapter to my laptop the light goes off and it doesnt supply any power


I suggest check out the AC adapter first.

1) When plugged into power, and plugged into the laptop, gently wiggle the cable from the AC adapter TO laptop.

Any change?

Do the same on the power cord TO AC adapter.

NO?
Go on.

2) The port on the laptop that the plug from the AC adapter plugs into, is the DC Power Jack.
If we are discussing an Acer Aspire 5738Z Notebook PC, the DC Power Jack resembles this one, (Not installed),

http://www.batterysupport.com/acer-aspire-5738-jack-p-302046.html

(When I note the DC Power Jack, it is this link I will be referring to )

As you can see there is a Center Pin. All power removed from the laptop, use a small wooden, or plastic object, and see if this pin moves around.

ANY perceptible movement means a bad DC Power Jack.

DC Power Jack checks out it's back to the AC adapter.
Wanted to perform the easy diagnosis first.

This will require a multimeter. An economical, yet fine for this test multimeter, can be purchased for as little as $8 to $12.

Available in a multitude of stores. An auto parts store is but one example.
Analog or digital is fine.

http://www.youtube.com/watch?v=bF3OyQ3HwfU

(Analog is fine. Some of us still like 'em)

DC Voltage is what you are going to check.

Black probe lead (Negative) goes in the Common port on the multimeter. (COM)
Red probe lead (Positive) goes in the Voltage port on the multimeter. (V)

If the multimeter just has symbols around the Function Knob, set it to the dotted line over a solid line, symbol.

The plug on the end of the AC adapter, that plugs into the laptop, has a center hole, and a cylindrical metal shield surrounding it.

The Center Hole of the plug is where the red Positive lead, of the multimeter goes.

The outside cylindrical metal shell is where the black Negative lead of the multimeter goes.

Hold the AC adapter plug in one hand, and at the same time hold the red Positive multimeter probe in the center hole.

With the other hand touch the black Negative lead of the multimeter, to the cylindrical metal shield on the outside of the plug.

You should read 19 Volts (DC), or VERY close to it,

http://www.cellularfactory.com/laptop/ACER/3/305268/

I believe the AC adapter is the problem. Post back in a Comment as to your findings.

Regards,
joecoolvette

Apr 29, 2012 | Acer Aspire 5738Z-423G32Mn Notebook

1 Answer

There's seems to be a short where the AC adapter goes into the Laptop. Loose parts in that area of the Laptop where the adapter goes in. It won't turn on. Maybe it's the battery.


Unfortunately, this is a frequent issue with laptops. Being moved around frequently can cause the AC Adapter to pull at the DC Jack on the laptop. If it is loose, it can mean there is a broken connection within the laptop. What you can try is powering the laptop on with it plugged in and the battery removed. If that doesn't work, I'd recommend going to your local Best Buy and picking up a universal AC Adapter. If that doesn't work, you can always return it, even if opened.

Aug 27, 2011 | Acer Aspire 5735 Notebook

1 Answer

When you move the computer working under external


issue with the ac jack. It has a loose connection. you will need to open up the laptop and remove the board to re-solder the AC jack.

Jun 02, 2010 | Acer Aspire 3000 Notebook

3 Answers

My acer aspire 3000 laptop goes off automatically. i cant even format because it goes off when i start.


You may have a faulty battery or bad power adaptor chord. Try taking the battery out and starting it just plugged with the power adaptor. If it still goes out, then try with battery and no power adaptor.

Sep 18, 2009 | Acer Aspire 3000 Notebook

1 Answer

The adapter plug that goes into the laptop is wearing out,loose an not making a good contact. Acer aspire 3000.Now I have the 342A already,can the 4.74 battery work ok or not.Will this ruin the laptop...


u have to make replace ur charging pin in ur laptop...because hardware's can't repaired by service people.....i know hardware is not changed if broken but u can show them compatibility prob. then they will make it replace....take care

Mar 28, 2009 | Acer Aspire 3000 Notebook

2 Answers

It seems that my laptop want go to ac (adapter) and shuts down


Most likely your problem is caused by a loose connection on the main board of the laptop. Even though it will plug in to the connection, the connection on the mainboard is either cracked or broken. Laptops are VERY hard to work on and you need to find a authorized repair shop for that brand computer in your local area to properly fix this problem.

Good luck!

Dec 22, 2008 | Acer Aspire 3000 Notebook

1 Answer

Acer apire 3000 a/c adaptor


Why did you have to buy a new adaptor? Did it suddenly stop working or was the problem intermittent?

It's my guess the adaptors are fine - very unlikely all three are bad - It's the connector in the laptop that's the problem - it's loose or was pushed too far in at some point so it can't make a tight connection. A good tech should be able to solder it on the inside. Hopefully, you can return at least one of the adaptors.

Good luck.

May 27, 2008 | Acer SPK 2 PCS 120W RMS 40HZ- 20KHZ BLACK...

1 Answer

In Trouble can't power on my laptop with or without battery?????????


Sounds like the AC adapter cable has a break in it.

If you have a multimeter you can test it. I use a paperclip to get to the middle if my multimeter probes are too big for the hole.

If it's got good constant power then the jack on the machine where the AC adapter plugs in is probably loose or broken.
Sites like laptopjacks.com sells new jacks that you could get someone to solder onto your motherboard.

Jan 14, 2008 | Acer Aspire 3000 Notebook

7 Answers

Keyboard/touchpad freezes when the battery is plugged!!


I SOLVE THIS ISSUE 100% WORKING
THE MAIN PROBLEM IS ON THE CONTACT BETWEEN THE BATTERY WIRES AND LAPTOP
IF YOU MOVE THE BATTERY IT WILL WORK SO SURE THE PROBLEM WITH THE LINK BETWEEN THE BATTERY AND THE LAPTOP
SOLUTION : TO MOVE THE IRON OUT OF THE LAPTOP TO THE RIGHT TILT THEM TO RIGHT SIDE A LITTLE BECAUSE THE BATTERY WIRES IS TO THE RIGHT SIDE (WATCH THEM) NOT IN THE MIDDLE AND AFTER THAT PUT A STICK ON THE BATTERY TIGHTED IN ITS PLACE SO IT WILL NOT MOVE ITS NOT FREEZING NOW THANKS

Dec 21, 2007 | Acer Aspire 5100 Notebook

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