A Password Problem; A Power Switch Problem; Keyboard Problems - Lenovo THINKPAD T40 User Manual

A password problem

Problem:
I forgot my password.
Solution:
If you forgot your power-on password, you must take your computer to a
Lenovo authorized servicer or a marketing representative to have the
password canceled.
If you forgot your hard disk password, Lenovo authorized servicer can not
reset your password or recover data from the hard disk. You must take
your computer to a Lenovo authorized servicer or a 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, Lenovo authorized servicer can
not reset your password. You must take your computer to a Lenovo
authorized servicer or a 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:
All or some 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 one has been set.
If an external PS/2
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.
3. Turn on the computer and try using the keyboard again.
®
keyboard is connected, the numeric keypad on your
Solving computer problems
Chapter 2. Solving computer problems
19