dynabook SATELLITE C50-H, Maintenance Manual

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And if the connector is disconnected, connect it firmly to the system board and return to
Procedure 1. If a foreign matter is found on Microphone Port of System Board, remove it and then
return to Procedure 1. If the problem persists, perform Check 2.
Check 2
System Board may be faulty. Replace it with a new one following the steps described in Chapter
4.
2 Troubleshooting 2.14 HDMI Port
2.14 HDMI Port
To determine if the computer’s HDMI Port is functioning properly or malfunctions, perform
following procedures. Start with Procedure 1 and continue with the other procedure as
instruction below.
Procedure 1 Windows Application Test
Procedure 2 Connector Check and Replacement Check
Procedure 1 Windows Application Test
The HDMI Port Connector is mounted on System Board. Connect an external monitor with
HDMI interface to the computer’s HDMI port, then power
on the computer into Windows.
The computer will automatically detect this external monitor through HDMI Port. If the
external monitor appears to have a certain problem, go to Procedure 2. If an error is not
located, HDMI Port is functioning properly.
Procedure 2 Connector Check and Replacement Check
If HDMI Port on System Board malfunctions, there may be a bad connection between
External Monitor and System Board. Or System Board might be faulty. Disassemble the
computer following the steps described in Chapter 4 and perform the following checks:
Check 1
Make sure External Monitor HDMI Cable has been firmly connected to HDMI Port on
System Board. Also make sure HDMI Port on System Board is free of foreign matters.