2.8 Display Troubleshooting
2 Troubleshooting
PORTEGE R200 Maintenance Manual (960-519)
[CONFIDENTIAL]
2-39
2.8 Display
Troubleshooting
This section describes how to determine if the computer’s display is functioning properly.
Start with Procedure 1 and continue with the other procedures as instructed.
Procedure 1: External Monitor Check
Procedure 2: Diagnostic Test Program Execution Check
Procedure 3: Connector and Cable Check
Procedure 4: Replacement Check
Procedure 1
External Monitor Check
Connect an external monitor to the computer’s external monitor port, then boot the computer.
The computer automatically detects the external monitor.
If the external monitor works correctly, the internal LCD may be faulty. Go to Procedure 3.
If the external monitor appears to have the same problem as the internal monitor, system
board may be faulty. Go to Procedure 2.
Procedure 2
Diagnostic Test Program Execution Check
The Display Test program is stored on the Diagnostics disk. Insert the Diagnostics disk in the
computer’s floppy disk drive, turn on the computer and run the test. Refer to Chapter 3,
Tests
and Diagnostics
for details.
This program checks the display controller on the system board. If an error is detected, go to
Procedure 3.
Summary of Contents for Portege R200
Page 10: ...x CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 34: ...1 Hardware Overview 1 7 AC Adapter 1 20 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Page 35: ... CONFIDENTIAL Chapter 2 Troubleshooting ...
Page 36: ...2 Troubleshooting 2 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 2 ...
Page 40: ...2 Troubleshooting 2 vi CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Page 103: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 104: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 3 ...
Page 211: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 212: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 4 ...
Page 216: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Page 281: ... CONFIDENTIAL Appendices ...
Page 282: ...Appendices App ii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Page 288: ...Appendices App viii CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Page 302: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Page 338: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...
Page 346: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE R200 Maintenance Manual 960 519 ...