Lenovo ThinkPad 380ED ThinkPad 380 and 380D User's Guide - Page 159

Solving Computer Problems, What If Testing Cannot Find the Problem?

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Copyright IBM Corp. 1996 Chapter 8. Solving Computer Problems Computer problems can be caused by software, hardware, or both. You can diagnose and solve many problems with the assistance of the self-tests and system programs contained in Easy-Setup. If a hardware problem is detected by the self-tests, an error message is displayed. The system programs can identify a problem or provide information for the service representative. Make a note of all error codes and give them to the service representative when you call for service. If the system programs cannot be loaded, the troubleshooting charts and other information will help you determine what corrective action to take. Important Use this chapter to test only IBM products. Non-IBM products can cause misleading error information or incorrect computer responses. When testing non-IBM products, refer to the instructions supplied with those products. Common Problems and Frequently Asked Questions 141 Common Problems and Actions 141 Frequently Asked Questions and Answers 142 Testing the Computer 145 Troubleshooting Charts 147 Error Codes 147 LCD Blank or Power-On Problems 150 Screen Messages 151 Other Problems 153 What If Testing Cannot Find the Problem 154 Battery Power Problems 154 External Monitor Problems 155 Hibernation Problems 156 Infrared Communication Problems 157 Keyboard, External Numeric Keypad, and Pointing Device Problems 158 ThinkPad 380/385 Port Replicator Problems 159 Option Problems 160 139

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Chapter 8.
Solving Computer Problems
Computer problems can be caused by software, hardware, or both.
You can diagnose and solve many problems with the assistance of
the self-tests and system programs contained in Easy-Setup.
If a
hardware problem is detected by the self-tests, an error message is
displayed.
The system programs can identify a problem or provide information
for the service representative.
Make a note of all error codes and
give them to the service representative when you call for service.
If
the system programs cannot be loaded, the troubleshooting charts
and other information will help you determine what corrective action
to take.
Important
Use this chapter to test only
IBM
products.
Non-IBM products
can cause misleading error information or incorrect computer
responses.
When testing non-IBM products, refer to the
instructions supplied with those products.
Common Problems and Frequently Asked Questions
......
141
Common Problems and Actions
.................
141
Frequently Asked Questions and Answers
...........
142
Testing the Computer
........................
145
Troubleshooting Charts
. . . . . . . . . . . . . . . . . . . . . . .
147
Error Codes
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
147
LCD Blank or Power-On Problems
...............
150
Screen Messages
. . . . . . . . . . . . . . . . . . . . . . . . .
151
Other Problems
. . . . . . . . . . . . . . . . . . . . . . . . . .
153
What If Testing Cannot Find the Problem?
............
154
Battery Power Problems
.....................
154
External Monitor Problems
....................
155
Hibernation Problems
. . . . . . . . . . . . . . . . . . . . . . .
156
Infrared Communication Problems
...............
157
Keyboard, External Numeric Keypad, and Pointing Device
Problems
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
158
ThinkPad 380/385 Port Replicator Problems
.........
159
Option Problems
. . . . . . . . . . . . . . . . . . . . . . . . . .
160
Copyright IBM Corp. 1996
139