Keyboard Problems; A Pointing Device Problem; Standby Or Hibernation Problems - Lenovo 3000 N100 0689 Supplementary Manual

Keyboard problems

Problem:
A number appears when you type a letter.
Solution
→ The numeric lock function is on. To disable it, press and hold Fn;
then press NmLk.
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.

A pointing device problem

Problem:
The mouse or the pointing device does not work.
Solution:
→ Make sure that the mouse or pointing-device cable is securely
connected to the USB port.
Note: For more information, see the manual supplied with the mouse

Standby or hibernation problems

Problem:
The computer enters standby mode unexpectedly.
Solution:
→ If the processor overheats, the computer automatically enters standby
mode to allow the computer to cool and to protect the processor and
other internal components. Check the settings for standby mode.
Problem:
The computer enters standby mode (the standby indicator turns on)
immediately after Power-on self-test (POST) (the standby indicator light
turns on).
Solution:
→ Make sure that:
– The battery is charged.
or pointing-device.
Solving computer problems
Chapter 3. Solving computer problems
15