Solving computer problems
If you forgot your supervisor password, a 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:
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
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 the external keypad, external keyboard, or mouse are not attached, and any 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; then press NumLk.
Problem:
Some or all of the keys on the external numeric keypad do not work.
