user manual

2 Troubleshooting Procedures
Satellite L450D/455D, Satellite pro L450D Series Maintenance Manual
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2.16 HDMI Troubleshooting
Perform HDM I connection
check
(Procedure 1)
START
Does replacement HDMI
cable
function properly?
Perform HDM I set check
(Procedure 2)
Replace system board
END
Yes
Replace HDMI
cable
No
HDMI functioning ok?
No
Use different
HDMI set
Yes
Figure 2-15 HDMI troubleshooting process
To determine if the computer’s HDMI port is functioning properly, perform the following
procedures. Figure 2-15 outlines the process. Start with Procedure 1 and continue as
instructed.