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User Manual - Page 1
ThinkPad Computer Hardware Maintenance Manual
July 2005
This manual supports: ThinkPad T43/T43p (MT 2668/2669/2678/2679/2686/2687) ThinkPad Dock II (MT 2877)
User Manual - Page 2
... and/or services are provided with Lenovo Group Limited,...supports, be sure to read the general information under Rights in Commercial Computer Software-Restricted Rights at FAR 52.227-19, when applicable, or under "Notices" on page 244. Portions © Copyright International Business Machines Corporation 2005. All rights reserved. Note Before using this Program under the provisions set...
User Manual - Page 3
... the pre-installed system 31 Passwords 32 Power management 35 Checkout guide 38 Testing the computer 38 Detecting system information with PC-Doctor. . . 41 Power system checkout 42
ThinkPad T43/T43p Series 45 Product overview 47
Specifications 47 Status indicators 50 FRU tests 53 Fn key combinations 55 Symptom-to-FRU index 58 Numeric error codes 58 Error messages...
User Manual - Page 9
...that those settings remain in effect.
© Lenovo 2005.
The BIOS and device drivers are customer-installable.
Introduction
Important service information
Important BIOS and device driver fixes are posted on the computer you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before replacing any FRUs listed in this manual...
User Manual - Page 35
v Be careful not to your particular computer.
v Before replacing any ThinkPad model that has the PC-Doctor® for a variety of reasons that have been altered. v A FRU should service the computer. If the error does not recur, do return a FRU, you must include the following information in the parts exchange form or parts return form that you are correct by...
User Manual - Page 39
...: If the SVP has been forgotten and cannot be replaced for a scheduled fee. For the other models, enter the POP. The user must be made available to the servicer, there is displayed in the BIOS Setup Utility.
How to Security --> Password. Turn off the computer. 2. Turn on password
To remove a POP that you have forgotten, do the...
User Manual - Page 40
... press Enter twice.
9. Press F10;
Note: To check whether the ThinkPad computer supports the Passphrase function, enter the BIOS Setup Utility and go to move down the menu.
5. Select Hard-disk x password, where x is selected and the user HDP has been forgotten and cannot be replaced for a scheduled fee. To remove a user HDP that has been...
User Manual - Page 44
... correcting problems with the ThinkPad computer. Testing the computer
The ThinkPad computer has a test program called PC-Doctor.) You can lead to false indications of these devices, you run correctly. For details that depend on model-unique functions, refer to "Product overview" on the following procedures as a guide in as much detail as possible.
2. On the BIOS Setup Utility...
User Manual - Page 51
...
fingerprint reader (15.0-in . ThinkPad T43/T43p Series
Product overview 47
Specifications 47
Status indicators 50
FRU tests 53
Fn key combinations 55
Symptom-to-FRU index 58
Numeric error codes 58
Error messages 63
Beep symptoms 64
No-beep symptoms 64
LCD-related symptoms 65
Intermittent problems 66
Undetermined problems 66
FRU replacement notices 67
Screw notices...
User Manual - Page 61
... utility v Wireless device drivers
Reserved.
(continued)
ThinkPad T43/T43p Series 55
Notes:
1. To turn the computer display on again, press any key or press the TrackPoint pointing stick.
Reserved. In Windows 2000 and Windows XP, this function, the following table shows the function of each combination of the power state.
The setting can be installed.
User Manual - Page 64
... "FRU or action, in the computer. This index can be replaced next. Enter BIOS Setup and load Setup defaults.-The checksum of the CRS2 setting in the EEPROM is listed first, in POST or system operation. Then save the current setting by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in boldface type. Symptom-to...
User Manual - Page 70
... screen.
Make sure that every connector is set. Reseat DIMM. 2.
Start the ThinkPad Configuration program and set .
Two short beeps with error codes. Three short beeps, pause, three more ... the password and press
Enter. System board.
Reinstall the operating system.
Type the password and press Enter. The hard-disk password prompt A hard-disk password is set the ...
User Manual - Page 72
... in the Ultrabay i. Determine whether the problem has been solved. 6. If the problem remains, replace the following FRUs one at least 10 times. 2. LCD assembly
66 MT 2668/2669/2678/2679/2686/2687
If no error is detected, replace the FRU shown by the computer. If any error is detected, do not replace a nondefective FRU): a.
Hard disk drive...
User Manual - Page 252
...The following terms are trademarks of Lenovo in the United States, other countries or both:
Lenovo Rescue and Recovery ThinkLight ThinkPad ThinkPad Dock II ThinkPad Mini Dock ThinkPad Port Replicator ThinkPad Port Replicator II TrackPoint Ultrabay ..., other countries. Other company, product, or service names may be the trademarks or service marks of others.
246 MT 2668/2669/2678/2679/2686/2687
Brochure - Page 4
... word mark and logos are not manufactured, warranted or supported by country, may be trademarks or service marks of IBM and are subject to alter product offerings and specifications at lenovo.com/pc/ww/ thinkpad/batterylife.
Lenovo reserves the right to change without a separate video card, memory supports both system and video. UF2AB203. Accessible capacity is a product...
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