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PostPosted: Sat Dec 12, 2009 6:15 pm 
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Joined: Thu Dec 27, 2007 2:17 pm
Posts: 33
Location: Freeland, WA.
Dropped my T23 while it was in my computer bag. Booted up and the trackpoint was not working. External mouse works fine hmmm...is this a MB issue? keyboard? otherwise the T23 is in great shape.
Jim

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T23, 1.13ghz, 384MB ram, 40gb HD, SXGA+, XPP
T30 2.0 ghz 1GB ram (1 good slot), 40gb HD, XGA, Intel 2200bg MPCI, XPP


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PostPosted: Sat Dec 12, 2009 6:46 pm 
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Senior ThinkPadder
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Location: Paragould AR USA
May well be the keyboard is broken. I've never had this happen to a T23, but I did have the trackpoint stop working on a 600X keyboard. Replaced the keyboard and all was well again.

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PostPosted: Sun Dec 13, 2009 12:54 pm 
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Joined: Thu Dec 27, 2007 2:17 pm
Posts: 33
Location: Freeland, WA.
Is there a way to "test" the KB without physically replacing it?

Jim

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T23, 1.13ghz, 384MB ram, 40gb HD, SXGA+, XPP
T30 2.0 ghz 1GB ram (1 good slot), 40gb HD, XGA, Intel 2200bg MPCI, XPP


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PostPosted: Sun Dec 13, 2009 3:31 pm 
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RBS10000
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Joined: Mon Sep 18, 2006 5:17 am
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Location: Mt. Cobb, PA USA
Run PC Doctor (free download from lenovo website).

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PostPosted: Sun Dec 13, 2009 4:05 pm 
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Admin
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Joined: Sun Jun 04, 2006 1:26 am
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Location: San Jose, CA 95120 USA
Given that you know the system was dropped and the problem then occurred, you could either have an issue with the connection of the keyboard assembly to the motherboard or some damage happened to the trackpoint and/or internal cable. Before you tear down the system, try this: with the system off, press firmly down on the "Y" key and the six keys around it. The keyboard connector is located there. Boot the system and see if that helped. If not, then one way to test the keyboard and trackpoint is by running PC Doctor as suggested by RBS. The PC Doctor diagnostic program on the IBM/Lenovo web site is here:

http://www-307.ibm.com/pc/support/site. ... YZM3F.html

It's three files that you download and execute in order to create a 3-disk floppy set, which you then boot the system with. If you don't have a floppy, but do have a CD burner and a program which is able to correctly handle .ISO (image) files, then you can download the same program from a file that I host on my site:

http://www.kawakami-ca.com/ibm_t2x/ibm_t22_pcdiag.iso

These tests are performed without requiring Windows and essentially checks the basic hardware in the system. After you boot the system, follow the prompts to insert the next floppy and "press a key" to continue (it does this with the CD version as well), under the "Interactive Tests" heading, you will find keyboard and mouse tests. The "keyboard keys" test is basically an on-screen display of all your keyboard keys. Select the "TP 84Key(US/Hebrew)" option. You press each one of the keys and the screen map gets updated with the result. The "Fn" key deserves special mention: it might take two or three presses, or one real long press, before that key is recognized. The "Mouse" test will bring up a display of the status of the mouse (trackpoint) pointer. Move the pointer around the screen and the X and Y coordinates should change. You can also check to see if the mouse buttons are working. Note that there is no test for the center button.

If the mouse and/or keyboard doesn't respond like it should, there is also keyboard test under the "Diagnostics/Systemboard" heading.

You can use the T23 Hardware Maintenance Manual for instructions on how to take the system apart. It's here:

http://www-307.ibm.com/pc/support/site. ... IGR-4UYM3F

edit: Something just occurred to me... it's a long shot but it should be checked anyway. Access the BIOS and check the Config / Keyboard/Mouse menu and verify that the TrackPoint entry has Enabled. If it's set to AutoDisable and the system thinks that an external mouse has been connected, then it will disable the trackpoint.

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NOTE: All links to PC-Doctor software hosted by me are dead. Files removed 8/28/12 by manufacturer's demand.


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PostPosted: Sun Dec 13, 2009 4:47 pm 
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Joined: Thu Dec 27, 2007 2:17 pm
Posts: 33
Location: Freeland, WA.
I pressed down on the Y key and the other keys around it and....the mouse is working again! Will download PC doctor as well...thanks again for your help!!

Jim

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T23, 1.13ghz, 384MB ram, 40gb HD, SXGA+, XPP
T30 2.0 ghz 1GB ram (1 good slot), 40gb HD, XGA, Intel 2200bg MPCI, XPP


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