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Chapter 2 Troubleshooting Procedures
2.13 HDMI Troubleshooting
To check if the computer’s HDMI is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
Procedure 2: Connector and Cable Check
Check 1 Make sure HDMI cable is firmly connected to the connector CN13 (system board).
If the problem still occurs, perform Procedure 2.
Procedure 1: External HDMI Monitor Check
Procedure 3: Replacement Check
Procedure 1 Connector Check and Replacement Check
The HDMI port is connected to system board. If HDMI malfunctions, its connection is
defective and system board may be faulty.
Procedur
computer a detects the external monitor.
the external monitor works correctly, the internal LCD may be faulty. Go to Procedure 3.
the external monitor appears to have the same problem as the internal monitor, system
ay be faulty. Go to Procedure 2.
e 2 External Monitor Check
Connect an external monitor to the computer’s HDMI port, and then boot the computer. The
utomatically
If
If
board m
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)