Optical Drive Troubleshooting; Procedure 1; Diagnostic Test Program Execution Check; Connector Check And Replacement Check - Toshiba PORTEGE M300 Maintenance Manual

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2 Troubleshooting Procedures

2.10 Optical drive Troubleshooting

To check if optical disk drive is malfunctioning or not, follow the troubleshooting procedures
below as instructed.

Procedure 1:

Procedure 2:
Procedure 1

Diagnostic Test Program Execution Check

Execute the CD-ROM/DVD-ROM Test in the Diagnostic Program. Refer to Chapter 3, Tests
and Diagnostics for more information on how to perform the test program.
Prepare the tools before the test.
If any error is detected by the test, go to Procedure 2.
Procedure 2

Connector Check and Replacement Check

The connection of optical drive and system board may be defective. Otherwise, they may be
faulty. Disassemble the computer following the steps described in Chapter 4 and perform the
following checks:
Check 1
Make sure optical drive is firmly connected to the connector on system board.
If the connection is loose, reconnect it firmly and return to Procedure 2. If the
problem still occurs, perform Check 2.
Check 2
Optical drive may be faulty. Replace it with a new one following the steps in
Chapter 4. If the problem still occurs, perform Check 3.
Check 3
System board may be faulty. Replace it with new one following the instructions
in Chapter 4.
PORTEGE M300 Maintenance Manual (960-504)
Diagnostic Test Program Execution Check
Connector Check and Replacement Check

2.10 Optical drive Troubleshooting

2-45

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