Question about IBM ThinkPad T40 2373 Notebook

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IBM-T40 water on motherboard

Where can I send my T40 for repair, replacement of Motherboard?

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Re: IBM-T40 water on motherboard - IBM ThinkPad T40 2373 Notebook PC Laptops

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Posted on Apr 11, 2008

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Re: IBM-T40 water on motherboard - IBM ThinkPad T40 2373 Notebook PC Laptops

Ibm service ceter almost in all main places

Posted on Nov 06, 2007

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I need to rest password in bios

Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all passwords and CMOS settings to be cleared. BIOS password can be removed by temporarily disconnecting/ removing the RTC/ CMOS (Coin-cell) battery from the motherboard.
Disconnect the coin-cell battery from the system board and it will reset the BIOS to its default setting and the password would be gone.
Please Refer to Page 29, 106 & 79 of the REPAIR MANUAL IBM T40 for Battery removal, keyboard removal and RTC battery removal instructions.
The Backup Battery (RTC, CMOS) is located under the keyboard. So you have to remove the keyboard to access the battery. The above Manual from IBM shows the exact method/ instructions and pictures for laptop dis-assembly for the purpose.
If you are comfortable with working inside such electronics, you can't do it yourself, or else you may seek help from local laptop service professional.

Hope it helps! Good Luck! Thanks for using Fixya!

Jun 21, 2011 | IBM ThinkPad T40 2373 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

I need to know the part no. for the motherboard and the priceand where can I order the part. IBM T40 2374 thinkpad

Apr 02, 2010 | IBM ThinkPad T40 2374 Notebook

2 Answers

Laptop does not boot except when on AC, not a battery problem.

estas en lo correcto hazle revisdar el cmos y la ram que cuando estan por dañarse ocasionan alogunos problemas

Aug 24, 2009 | IBM ThinkPad T40 2373 Notebook

3 Answers

When i turn on my ibm thinkpad t40 a litle lock icon comes up an d re4cuires a pass word

The reason that comes up is because the motherboard has a master password set on it and from my experience the hard drive may have a password set on it as well cause the hard drive and motherboard are linked to each other.

If the original owner can call IBM then they can get both passwords removed. If not then both the motherboard and hard drive will need to be replaced.

May 19, 2009 | IBM ThinkPad T40 2373 Notebook

1 Answer

IBM ThinkPad T40 2373 PC Problem

usb ports are very simple decices, almost like a wall socket, they rarely fail, and if they do, it's generally a driver problem or the flat plastic pin inside the port has broken. Plus the usb ports are soldered to the board on these models. So, the usb failure you mentioned leads me to believe that that is another indicater that the board was going out. I'm a big fan of IBM, they are very durable machine. They can really take a beating. I cheched out Ebay and there are several T40 series motherboards up for bid. You should be able to get one at a decent price. Keep in mind that any of the T40 series boards will work for you.

Jun 21, 2008 | IBM ThinkPad T40 2373 Notebook

1 Answer

Thinkpad T40 2373 fan replacement: long or short?


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Condition: Used

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s.gif s.gif IBM THINKPAD T40 T41 T42 CPU Short Cooling Fan FRU 91P9759 91P8393 this is the fan you need. please remember to rate the solution. will send you a link to my site with the how to disassemble and reassemble

Apr 09, 2008 | IBM ThinkPad T40 2373 Notebook

1 Answer

Motherboar dproblem


The CMOS battery & jumper will be placed below the touchpad buttons to view these you need to open entire laptop.

please open this part if you are good in laptop trounble shooting.
or else you can log a complaint to IBM support 1800-425-6666 (india) they will take care.

if u did some small mistalk laptop will not boot

Nov 30, 2007 | IBM ThinkPad T40 2373 Notebook

3 Answers

ThinkPad T40

If you can make the problem come and go by slightly twisting or flexing the bottom (keyboard) section of the case, you may have a loose internal connector. If the laptop has been dropped recently, more probably you have a cracked land pattern on the motherboard.

Oct 17, 2007 | IBM ThinkPad T40 2373 Notebook

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