Standby, Hibernation, And Shutdown Problems - IBM Thinkpad TransNote Service And Troubleshooting Manual

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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.

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 Fn+NumLk.

Problem: All or some keys on the external numeric keypad do not work.

Solution: Make sure that the external numeric keypad is correctly connected

to the computer.

Problem: All or some keys on the external keyboard do not work.

Solution: To use an external keyboard, you need to attach the

keyboard/mouse cable to the computer. Make sure that:

v The keyboard/mouse cable is correctly connected to the computer.

v The keyboard cable is connected to the correct side of the keyboard/mouse

cable.

If these connections are correct, disconnect the keyboard/mouse cable from

the computer and make sure that the keyboard operates properly. If the

built-in keyboard works, there is a problem with either the cable or with the

keyboard. Try using a different keyboard/mouse cable or external keyboard.

Standby, hibernation, and shutdown problems

Problem: The computer shuts down or enters standby mode automatically.

Solution: If the processor reaches a temperature that is too high, the computer

will automatically shut down or enter standby mode. This allows the

computer to cool, and protects the processor and other internal components.

Problem: The computer enters standby mode immediately after POST (the

standby indicator turns on).

Chapter 4. Solving computer problems

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