Question about IBM ThinkPad T41 Notebook

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IBM T41. black screen

Hi i have IBM thinkpad T41

when i power on this i get black screen every thing pwoer on accept monitor
some times it's open but when start write any thing in keyboard or just use keyboard the black screen comeback . i mean some time i open it and listen to music but when i want to use keyboard black screen or monitor turn off but music still work.

i hope any body help me with this problem .

Thank You

Posted by on

  • Nazar Al-Dailami Feb 05, 2008

    Thanks a lot for your support

    i will try do that today . but the problem is that there isn't any data on screen to login bios setup just black screen , but some times it's appear i will try to see .



    one of enginner that i put my labtop to him to fix it ( say that the IC of video or moniter want repiar . i say that he change other IC but when i get the labtop i get the same problem . no thing change at all . so i felt so bad and think that there is no way to fix this problem . because every thing working good on labtop just this bad problem that appear to me .



    Any way i want to thank you harvester3 for your answer . & hope that my labtop work agine .



    good luck for you

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It's a common problem with flex of the unit causing the video chip to coming un-soldered from the motherboard. It's possible to repair but very difficult requiring luck and specialist equipment.

http://answers.yahoo.com/question/index?qid=20070710050433AAgGOTJ

Posted on Feb 23, 2008

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Cold boot the machine, press F1 to access the bios. There is a setting for "screen blanking" which you need to turn off.
If that isn't the problem, you have a short in the keyboard I'd say.
Good luck

Posted on Feb 02, 2008

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2 Answers

IBM ThinkPad


this can be solved...can you boot to safe mode, through F8?

Mar 07, 2008 | IBM ThinkPad T41 Notebook

1 Answer

IBM thinkpad T41 -> get


Hi,

The IBM Thinkpad has a very strong security system.

If you are seeing a lock symbol when booting then somebody has set the supervisor password. If you can't remember it or guess it (try "password", "admin", "pass", etc) then you need to find the person that set the supervisor password.

Once the supervisor password is set the T41 is very well protected and it can't be reset by removing the laptop battery or CMOS battery.

There is a way to read the password from the protection chip but this is very complicated and requires taking the laptop apart and building your own chip reader.

The instructions for doing this are are:

http://sodoityourself.com/hacking-ibm-thinkpad-bios-password/

Hope this helps,

Chris

Mar 08, 2011 | 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.

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

3 Answers

My IBM T41 thinkpad monitors goes.


I have the exact same laptop and issue with the screen going out or locking up (w/the lines as you described). Here's the bad news... this started happening to mine a few weeks ago and I had a few different people weigh-in on the situation (locally) including one person who examined the inside. Unfortunately (unless you can find an obvious loose connection/wire) it IS likely to be a video card gone bad, and (what's worse is) the video card on the T41 is integrated with the motherboard. Replacement cost (1000+) is, therefore, probably more than the laptop is worth. The other bad news is that it will get progressively worse, so (while you may be able to tolerate it for a while) you'll need to get all of your files off it as soon as possible. Mine will still turn on every once in a while, but is definitely no longer reliable.

Unlikely, but I wonder if this issue is well-documented enough (as a "defect") that IBM would consider a recall.

Mar 23, 2009 | IBM ThinkPad T41 Notebook

1 Answer

Graphics card damaged can you remove or they built into mother board


Connect an external monitor, press F7 to switch displays. If all is good then the video card is ok.

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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