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My ibm thinkpad t41 not charging,bought a universal charger for it by battery light not coming on wen plugged to laptop

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Seems the laptop connector has been disturbed, pull, tugged on. A connection most likely is loose in the machine(motherboard) or could be a defect in
manufacturing. If new return it or ask the manufacturer for a repair/replace.
They will most likely suspect customer damage.
http://www.chargerbuy.com/replacement-ibm-thinkpad-t41-ac-adapter-16v-4-5a.html

Posted on Oct 31, 2012

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Posted on Jan 02, 2017

bangjeha
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SOURCE: ibm thinkpad no power with ac power adapter but works with battery

If prior to this it works intermittently with the AC adapter, it means the connection from the adapter power unit to the motherboard was lost and this is a typical problem with the Thinkpad. It needs a re-soldering job and not something that one can do without a proper repair manual on how to open the laptop. Try googling your problem and find out if someone has the same experience and managed to resolder by him/herself.

Posted on Oct 19, 2008

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IBM Thinkpad X60- Charging LED ( Amber) flashes continuosly- battery NOT charging


An incompatible charger could be doing this, as could a failed battery charging circuit in the notebook. It is also possible that the battery is no longer capable of accepting a charge. The universal charger must be able to provide the same voltage as the original charger and have an equal or higher rating for wattage or current.

Feb 08, 2013 | IBM ThinkPad X60 1706 Laptop Universal AC...

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Hello my laptop t41 power is not even flash but the adapter is working,am technician and i have troubleshoot allot.


I concur with what Diegotech stated.

To iterate further;

1) The DC Power Jack (DC IN), may have cracked solder joint/s on the motherboard connector, (Female), where the DC Power Jack plugs in.

Resolder

2) The DC Power Jack may be broken.
Center Pin mount, and/or body of DC Power Jack, and/or Outer Shell mount.

Replace DC Power Jack.

3) Wires from the DC Power jack plug to the female connector on the motherboard, may be bad.

Replace DC Power Jack.

Two examples, of a place to buy an IBM ThinkPad T41 DC Power Jack,

1) http://www.buy.com/prod/dc-power-jack-connector-socket-for-ibm-thinkpad-t40-t41-t42-r50-r51-r52/q/sellerid/23962916/loc/101/215782035.html

2) http://www.machinaelectronics.com/store/buypart/IBM_Thinkpad_T41/DC-P001

Past this point it's a bad DC sensor on the motherboard.

Replace motherboard.

IBM ThinkPad T41 Service Manual, (Free),

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-ibmlenovo

On this page go down to the 8th line.
The one that starts with > ThinkPad T20.

Go across, and click on > T41

Takes approximately 2 seconds to see the first page, and additional time to fully download.

Page 142 for 14.1 inch LCD screen
Page 151 for 15 inch LCD screen

(PDF file page number box at top)

Dec 01, 2010 | IBM ThinkPad T41 Notebook

1 Answer

The T40 laptop is not charging the battery. What do you think the problem may be?


The battery may be worn out or the charger or the charging socket on the laptop may be faulty.
Please click on this link and follow my instructions to determine the fault and possible fix :-
http://www.fixya.com/support/r4799950-laptop_battery_power_supply_problems

Sep 25, 2010 | IBM Thinkpad T40 Thinkpad T41 Thinkpad T42...

1 Answer

Thinkpad T41 switching from battery and charger


if the laptop is switching between the charger and battery on its own, then that means you have a loose AC Jack on the back of your laptop, it would need to be either resoldered so its not loose anymore or the jack would need to be replaced.

Jan 24, 2010 | IBM ThinkPad T41 Notebook

1 Answer

I have a thinkpad t40 that won't start, the battery light doesn't come on i just bought the charger and it won't do anything. please help


The charger you purchased - is it new or used? Are you positive the charger is working? I would see if you can obtain another charger that you know is good and connect. There are universal chargers that you can buy locally for a low price. Also double check to make sure you have a good battery. laptop batteries usually last 1-2 years.

Aug 01, 2009 | IBM ThinkPad T40 2373 Notebook

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Can you start the laptop on the mains charger? If not then either charger is faulty or dc connector on motherboard is broken

Jun 10, 2009 | IBM ThinkPad T41 Notebook

1 Answer

IBM ThinkPad T41 (9 Cell Battery)


It can over charge it.
it happens alot with laptops.

Feb 04, 2009 | IBM ThinkPad T41 Notebook

2 Answers

Battery not recharging.


Look on the charger itself & it will have the correct output voltage & polarity stamped on the charger. Then get a volt meter to verify if the correct output voltage is present. If the volt meter reads less than what is stamped on the charger, then I would recommend replacing the charger at that point.

Nov 20, 2008 | IBM ThinkPad T41 Notebook

1 Answer

Thinkpad Battery not getting charged


Depending on the age of your laptop it may require a new battery.

May 23, 2008 | IBM ThinkPad T41 Notebook

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