Question about IBM ThinkPad R40 2722 Notebook

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IBM T41 Thinkpad, not working properly

I have an IBM T41 Thinkpad. The problem i'm having is sometimes it can be turned on and sometimes is doesn't. When it does turn on after 5mins it freezes and sometimes you can see lines on the screen. At other times, it will remain on for a few hours.

Please assist. thanks

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Re: IBM T41 Thinkpad, not working properly

Do a system restore to a week or two before this all happend otherwise it may be the Hard drive starting to go bad if doing a system restore don't help and also you should run your antivirus and spyware Hope that helps you out

Posted on Dec 24, 2007

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I want to remove bios password from IBM thinkpad t41

It is difficult to remove the Power On and BIOS password because the passwords are stored on an EEPROM chip.
For instructions on how to remove these passwords go to this link.
My Thinkpad - remove Power on Password

Oct 23, 2012 | IBM ThinkPad T41 Notebook

4 Answers

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.


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,



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

Replace motherboard.

IBM ThinkPad T41 Service Manual, (Free),

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

My IBM thinkpad turns off when i insert my usb internet connection into the usb slot and then wont turn on for a day or 2. What could this be?

It sounds like some sort of power drain or short on the motherboard. I recently made a repair job on a T41,casing on an IBM thinkpad T40 AND T41`S are very week.
My advice to you would be reinstall windows and see if it does it again,If it doesn`t then you will know for sure that it had something to do with windows.IF it still does after a clean installation of windows then its clearly a hardware fault.
*Hardware fault could be you`re power supply not giving enough juice(unlikely) *Motherboard faulty/Or Shorting somewere.If thats the case then a refurbished motherboard would do the trick.

Oct 18, 2010 | IBM ThinkPad T40 2373 Notebook

1 Answer


IBM is very sensitive i have the same problem before check your processor fan and RAM. specially RAM causing automatic restart your laptop.

Jun 05, 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

1 Answer

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.

Oct 18, 2008 | IBM ThinkPad T41 Notebook

2 Answers

Ibm t41 thinkpad display problem

actually its the problem of the cable that gives display to your screen , open your laptop and replace this cable
rate this solution

Oct 15, 2008 | IBM ThinkPad T41 2373 Notebook

2 Answers

T41 IBM thinkpad monitor goes off

Saw exactly the same think on another t41 i was trying to fix. If it was moved at all screen went off.

Turned out it was corrosion on the motherboard that was causing the problem.

Has it been liquid damaged or got damp in the past?

Jan 07, 2008 | IBM ThinkPad T41 Notebook

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