Lenovo ThinkPad 380ED TP 380Z User's Reference that was provided with the syst - Page 133

Suspend or Hibernation Problems, Appendix A.

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Title: C79EPMST CreationDate: 06/22/98 12:00:09 Troubleshooting Charts Problem All or some keys on the external keyboard do not work. Action To use an external keyboard, you need to attach the keyboard/mouse connector to the computer. Make sure that: The keyboard/mouse connector is correctly connected to the computer. The keyboard connector is connected to the correct side of the keyboard/mouse connector. If these items are correct, disconnect the keyboard/mouse connector from the computer and make sure that the operation of the system keyboard is correct. If the system keyboard works, have the keyboard/mouse connector or the external keyboard serviced. Suspend or Hibernation Problems Problem The computer enters suspend mode automatically. The computer enters suspend mode immediately after POST (the suspend lamp turns on). Error 19 appears and the computer immediately powers off. The computer does not return from suspend mode, or the suspend lamp stays on and the computer does not work. The LCD is blank after resuming. Action The computer enters suspend mode automatically when the processor temperature reaches a certain level. This is not a defect. Make sure that: The battery pack is charged. The operating temperature is within the acceptable range. Refer to Appendix A. If these items are correct, have the computer serviced. The battery pack power is getting low. Connect the AC Adapter to the computer, or replace the battery pack with a fully charged one. The computer automatically enters suspend or hibernation mode when the battery power is empty. Do one of the following: Replace the battery pack with a fully charged one and then press Fn. Connect the AC Adapter to the computer; then press Fn. Check if an external monitor was not connected before entering suspend mode. Do not disconnect the external monitor while the computer is in suspend mode or hibernation mode. If no external monitor is attached when the computer resumes, the LCD remains blank and output is not displayed. This restriction does not depend on the resolution value. Chapter 4. Solving Computer Problems 117

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Troubleshooting Charts
Problem
Action
All or some keys on the
external keyboard do not
work.
To use an external keyboard, you need to attach the keyboard/mouse connector
to the computer.
Make sure that:
The keyboard/mouse connector is correctly connected to the computer.
The keyboard connector is connected to the correct side of the
keyboard/mouse connector.
If these items are correct, disconnect the keyboard/mouse connector from the
computer and make sure that the operation of the system keyboard is correct.
If
the system keyboard works, have the keyboard/mouse connector 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.
The computer enters
suspend mode
immediately after POST
(the suspend lamp turns
on).
Make sure that:
The battery pack is charged.
The operating temperature is within the acceptable range.
Refer to
Appendix A.
If these items are correct, have the computer serviced.
Error
19
appears and the
computer immediately
powers off.
The battery pack power is getting low.
Connect the AC Adapter to the
computer, or replace the battery pack with a fully charged one.
The computer does not
return from suspend
mode, or the suspend
lamp stays on and the
computer does not work.
The computer automatically enters suspend or hibernation mode when the
battery power is empty.
Do one of the following:
Replace the battery pack with a fully charged one and then press
Fn
.
Connect the AC Adapter to the computer; then press
Fn
.
The LCD is blank after
resuming.
Check if an external monitor was not connected before entering suspend mode.
Do not disconnect the external monitor while the computer is in suspend
mode or hibernation mode.
If no external monitor is attached when the
computer resumes, the LCD remains blank and output is not displayed.
This restriction does not depend on the resolution value.
Chapter 4.
Solving Computer Problems
117
Title: C79EPMST CreationDate: 06/22/98 12:00:09