Lenovo ThinkPad T60 Series, Руководство по обслуживанию и устранению неисправностей

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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
®
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.
3. Turn on the computer and try using the keyboard again.
If the keyboard problem is resolved, carefully reconnect the external
numeric keypad, external keyboard, or mouse, making sure that you
have seated the connectors properly.
If keys on the keyboard still do not work, have the computer serviced.
Problem:
A number appears when you type a letter.
Solution
→
The numeric lock function is on. To disable it, press and hold Shift or
Fn; then press NmLk (ScrLk).
Problem:
All or some of the keys on the external numeric keypad do not work.
Solution:
→
Make sure that the external numeric keypad is correctly connected to
the computer.
Solving computer problems
18
ThinkPad
®
T60 Series Service and Troubleshooting Guide