Hdmi Port; Procedure 1 Windows Application Test; Procedure 2 Connector Check And Replacement Check - Toshiba Satellite C850D Maintenance Manual

2.22 HDMI Port

2.22 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 or CPU 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.
HDMI Port
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 HDMI Port on
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. If DHMI is still not functioning properly, perform
Check 3.
Check 3 CPU may be defective. Disassemble the computer following the steps
described in Chapter 4 and replace CPU with a new one.
Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual
System Board
2 Troubleshooting
CPU
2-33