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Hi the screen on my IBM T21 lap top wont light up iv,e tried a new inverter so iv,e now bought a cable trouble is how to fit it i know how to take the screen out but how do i get at the plug inside the computer, Cheers ****

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It is motherboard problem

Posted on Jul 17, 2009

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1 Answer

How to remove the display on IBM T21 laptop


The laptop screen is secured to the laptop with screws at the hinges.
There are usually two screws per hinge. The LCD screen has one ribbon cable and possibly a power connector for the back lighting attached to the motherboard near the hinges. Disconnect these before you lift the LCD off the base, they are under the plastic panel above the function keys next to the hinges.

Feb 03, 2009 | IBM ThinkPad T21 Notebook

2 Answers

Light blue color to the screen


It's possible that the screen is going, it's also possible that the inverter is going. An inverter can cause the same color change problem. It's definitely one of the two.

Jun 09, 2008 | IBM ThinkPad T21 2648 Notebook

4 Answers

IBM Thinkpad T21 LCD problem


Hello shadl

Am I understanding your correctly? - the monitor of your T21 is working intermittently? Please, let me know if I've misunderstood your description of the problem.
------
If the issue is w/ the monitor, ....

And the symptoms are intermittent and change w/ opening and closing the cover (monitor) then there's a good possibility the problem isn't w/ the monitor itself rather it's w/ the cables or wiring going from the monitor to the mainboard. If that is the case, whether it is repairable w/o replacing the monitor will depend upon the cables and/or wiring involved.

It would make sense that an issue like that was caused by worn or damaged cables/wiring as those are the parts of the monitor that would've been subject to wear and tear over time.

I recommend you disassemble the monitor from the laptop and carefully inspect all the cables and wiring that run between the monitor and the laptop.
I will see if I can find a service manual online for you that will step you through removing the monitor.

If it does turn out that the problem is w/ the monitor itself or that the monitor's wiring or cables cannot be repaired, you can search the Internet for another Thinkpad T21 that you can salvage parts off of. (eBay would be one good place to look.) You can try finding just the monitor but I think you'll stand a better chance at finding a T21 that is being sold for salvage.

In the interim, you should be able to connect an external monitor and use the computer w/ it for now.

IF you connect an external monitor and the symptoms persist, then the problem isn't w/ your monitor at all. Be sure to post back here and let us know if that is the case, too.

***************
Please, let me know if this response was "Helpful" or a "FixYa" for you or, of course, if you have additional questions, etc on this topic.

If I did not answer your question satisfactorially, plz, b4 assigning a "Thanks for Trying" or lower rating to my "Solution", let me know. I may have misunderstood you or the problem you are experiencing. In any case, I will work w/ you until your problem is resolved or diagnosed. I promise! :)

Thank you
BJ
***************

Apr 05, 2008 | IBM ThinkPad T21 Notebook

1 Answer

LCD and inverter replaced, still dark


The most common fault here is certainly the screen cable - it is available cheaply on ebay - I'm in the UK so here is a local example in this link:

T23 Cable

the other slim possibility is failure of the backlight switch which detects when the screen lid is closed.

Please rate this assistance as we depend on your feedback - hopefully this should be fixya - thanks,

Mar 24, 2008 | IBM ThinkPad T21 Notebook

2 Answers

IBM T21 doesn't start


try to start it with the battery out by pluging it straight, the battery is dead and its causing problems

Mar 13, 2008 | IBM ThinkPad T21 2647 Notebook

1 Answer

Nothing appear on the screen


Remove any devices connected and power it on by itslef, either on battery or power source, if it doesnt work, it may have bad processor, When they go bad most laptops wont boot period.

Feb 18, 2008 | IBM ThinkPad T21 Notebook

5 Answers

IBM ThinkPad T21 LCD display very dark


The problem can be at the flexible cable that connecting mainboard to LCD panel. There are two line that connecting to backlight lamp. The position of the broken cable is in bottom-center of LCD. One or more line/track broken can resulting : LCD blank or LCD display very dark. The solution is : jumper the broken line with jumper cable & soldering.Or you must replace the flexible cable.
Goodluck..

Dec 29, 2007 | IBM ThinkPad T21 Notebook

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