Question about IBM ThinkPad T23 2647 Notebook

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IBM Thinkpad T23 - unable to get external monitor to work

Unable to get external monitor to work after doing so successfully for years. When I hit F7 the lcd goes black, but there is no picture on my external monitor.
1. How do I determine if this port is burned?
2. If it is burned can it be repaired?

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Re: IBM Thinkpad T23 - unable to get external monitor to...

Some times the conector for the external monitor has the pins bended or brocken try with diferent monitor if the por is burn there is a minimun of chance to trpair it only if you are expert on electronics and you can get the computer diagram and you know how to do the test and get the replacement other ways you have to get a new motherboard

Posted on Dec 30, 2007

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Unable to connect projector

Connecting an External Monitor or Data Projector
You can switch to anexternal monitor or data projector by two methods.1. Connect the externalmonitor to the laptop's video port, power up the external monitor first and thelaptop. The video information will automatically switch to the externalmonitor.2. If you power up thelaptop first then you can switch the video output to the external monitor bypressing the Fn key and one of the Function keys, depending upon your make andmodel laptop. You can also toggle between the external monitor or both LCD screenplus the external monitor or back to LCD screen only by pressing the Fn keyplus one of the function key. Here is a list of keycombinations for some of the laptops :-IBM ThinkPad = Fn + F7HP and Compaq = Fn + F4Toshiba = Fn + F5Dell = Fn + F8

May 20, 2012 | IBM Lenovo ThinkPad T510 Notebook

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In possession of think pad T 23 its on but monitor brightness is down and am unable to adjust

This could be a backlight problem, caused by a faulty inverter or a faulty CCFL lamp. Please click on this link and follow my instructions to determine the fault and fix :-
Normal 0

Sep 22, 2010 | IBM ThinkPad T23 2647 Notebook

1 Answer

My IBM Thinkpad screen has gone dark but I can still see a bit. Is there a key to brighten the screen?

Try attaching an external monitor to the laptop & see if you could get any display on it. If this is successful, then you might have either a faulty LCD cable or screen inverter board.
The LCD cable transfers data signal from the motherboard & video card to the LCD screen. It also supplies high voltage DC power to the screen inverter board. The screen inverter board works as a power supply for the backlight lamp mounted inside the LCD screen. It converts low voltage DC power to high voltage AC power needed for the backlight lamp

Aug 29, 2010 | IBM ThinkPad T23 2647 Notebook

2 Answers

How to connect external monitor in ibm type 2658

Most laptops have a blue external 15pin video connector. Connect an external monitor's video cable to this port, then power up the external monitor first then boot up the ThinkPad, the video information will automatically divert to the external monitor first.
You can toggle/cycle the laptop and external monitor so they display on both the laptop and external monitor or the laptop LCD screen or external monitor by pressing the blue Fn key and then the F7 key several times.

Jun 19, 2010 | IBM ThinkPad R32 2658 Notebook

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T23 Ibm laptop no video

Hello !

Test with an external monitor. If it works, it is the display's backlight or inverter board.

If you were experiencing discoloration in the screen (pinkish lower light hues) before it failed, that would indicate a CCFL backlight issue. If the screen suddenly went dim on you rather than a slow degradation the inverter would be indicated.

Hope this helps.

May 08, 2010 | IBM ThinkPad T23 2647 Notebook

1 Answer

Can i connect a presario v3500 laptop to an external momitor. @I think the display inverter is gone and i need to get some files off the lap top for work.

Yes, connect the external monitor to the port it corresponds on the laptop, usually the blue port. When you boot the computer hit the FN key located on the bottom right hand side of your keyboard and the LCD/CRT key i believe this will be the F4 key located on the top part of your keyboard this should activate the external monitor.


Feb 23, 2009 | IBM ThinkPad T23 2647 Notebook

3 Answers

Need to stop my comp from sleeping after closing the lid

Right captain :-)

Go to -> desktop -> right click -> property -> Screen saver -> power??? for the screen -> advanced
“when I close the lid - - “ DO NOTHING…. :-)
- Do vote before you leave, thank you

Dec 12, 2008 | IBM ThinkPad T23 2647 Notebook

1 Answer

No visual display

Function F7 will enable the external video monitor connection and will toggle between the screen, the screen plus external monitor, and the external monitor only. Try hitting function F7 and see if that helps. Also there is a small switch that is activated when you close hte lid to turn off the display when the lid is closed. make sure that this little switch is not stuck.

Mar 21, 2008 | IBM ThinkPad T23 2647 Notebook

1 Answer

White screen Ibm t 23

Have you tried switching the LCD monitor from teh good thinkpad to the ones with white screens? Sometimes its the actuall LCD.

Mar 16, 2008 | IBM ThinkPad T23 2647 Notebook

2 Answers

Thinkpad T23 screen problem

your monitor could be bad. do you have a warrenty on this?

Dec 12, 2007 | IBM ThinkPad T23 2647 Notebook

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