IBM ThinkPad R40 series, Service Manual

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A password problem
Problem: I forgot my password.
Solution: If you forgot your power-on password, you must take your
computer to an IBM authorized servicer or marketing representative to have
the password canceled.
If you forgot your hard disk password, IBM will not reset your password or
recover data from the hard disk. You must take your computer to an IBM
authorized servicer or an IBM marketing representative to have the hard disk
drive replaced. Proof of purchase is required, and a fee will be charged for
parts and service.
If you forgot your supervisor password, IBM will not reset your password.
You must take your computer to an IBM authorized servicer or IBM
marketing representative to have the system board replaced. Proof of purchase
is required, and a fee will be charged for parts and service.
A power switch problem
Problem: The system does not respond, and you cannot turn off the computer.
Solution: Turn off the computer by pressing and holding the power switch for
4 seconds or more. If the computer is still not reset, remove the ac adapter
and the battery.
Keyboard problems
Problem: The cursor does not move after the computer returns from one of
the power management modes.
Solution: Make sure you followed the instructions correctly when you
installed Windows with the Advanced Power Management (APM) option.
Problem: Some or all of the keys on the keyboard do not work.
Solution: If the problem occurred immediately after the computer returned
from standby mode, enter the power-on password if any is set.
If an external keyboard is connected, the numeric keypad on your computer
does not work. Use the numeric keypad on the external keyboard.
If an external numeric keypad or a mouse is connected:
1. Turn off the computer.
2. Remove the external numeric keypad or the mouse.
Solving computer problems
16
ThinkPad
®
R40 Series Service and Troubleshooting Guide