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Chapter 2 Troubleshooting Procedures
2.18 CRT Troubleshooting
To check if the computer’s CRT is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
Procedure 1: External Monitor Check
Procedure 2: Connector and Cable Check
Procedure 3: Replacement Check
Procedure 1 External Monitor Check
Connect an external monitor to the computer’s external CRT port, and then to see if you can
transfer video image to external monitor. If not, go procedure2.
Procedure 2 Connector and Cable Check
CRT board is connected to system board by a CRT cable. Their cables may be disconnected
from system board. Disassemble the computer following the steps described in Chapter 4,
Replacement Procedures.
If the connection is loose, reconnect firmly and restart the computer. If the problem still
occurs, go to Procedure 3.
Satellite L600D/L640D/L645D, Satellite Pro L600D/Pro L640D/Pro L645D Maintenance Manual (960-Q08)