2 Troubleshooting Procedures
2.8 Display Troubleshooting
2-38 [CONFIDENTIAL]
Satellite A50S/TECRA A3X Maintenance Manual (960-534)
2.8 Display
Troubleshooting
To check if the computer’s display is malfunctioning or not, follow the troubleshooting
procedures below 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 in Diagnostics disk. This program checks the display
controller on system board. Insert the Diagnostics disk in the USB FDD, turn on the
computer and run the test. Refer to Chapter 3,
Tests and Diagnostics
for details. If an error
is detected, go to Procedure 3.
Summary of Contents for Tecra A3X
Page 10: ...x CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 16: ...1 Hardware Overview 1 vi CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...
Page 51: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 105: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 110: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...
Page 217: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 337: ... CONFIDENTIAL Appendices ...
Page 338: ...Appendices App ii CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...