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Troubleshooting Charts
Problem
Action
The scrolling or
Magnifying Glass function
doesn't work.
See the General tab page in "Mouse Properties," and make sure that the PS/2
TrackPoint driver is loaded.
Note: Refer to the README in the TrackPoint driver diskette for driver
installation.
A number appears when
you type a letter.
The numeric lock function is on. To disable it, press and hold Shift; then press
NumLk.
All or some keys on the
external numeric keypad
do not work.
Make sure that the external numeric keypad is correctly connected to the
computer.
All or some keys on the
external keyboard do not
work.
To use an external keyboard, you need to attach the keyboard/mouse cable to
the computer. Make sure that:
The keyboard/mouse cable is correctly connected to the computer.
The keyboard cable is connected to the correct side of the keyboard/mouse
cable.
If these items are correct, disconnect the keyboard/mouse cable from the
computer and make sure that the operation of the system keyboard is correct. If
the system keyboard works, have the keyboard/mouse cable or the external
keyboard serviced.
Suspend or Hibernation Problems
Problem
Action
The computer enters
suspend mode
automatically.
The computer enters suspend mode automatically when the processor
temperature reaches a certain level. This is not a defect.
Performance degrades
when the computer gets
hot during use.
The processor speed might decrease under the following conditions:
Use in a hot environment
High-powered processing that requires high-power consumption
This is not a defect.
The computer enters
suspend mode
immediately after POST
(the suspend indicator
turns on).
Make sure that:
The battery pack is charged.
The operating temperature is within the acceptable range. Refer to
Appendix A, “Features and Specifications” on page 165.
If these items are correct, have the computer serviced.
124
IBM ThinkPad 600 User's Reference
Title: C79EGMST CreationDate: 02/10/98 09:24:42
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