Toshiba Tecra 700CS Maintenance Manual page 52

2.9 CD-ROM Drive Troubleshooting
This section describes how to determine if the computer's internal CD-ROM drive is function-
ing properly. Perform the steps below starting with Procedure 1 and continue with the other
procedures as required.
Procedure 1:
Procedure 2:
Procedure 3:
Procedure 1 CD Cleaning Check
Clean the laser pickup lens with a lens cleaner. Apply the cleaner to a cloth and wipe the lens.
If the CD-ROM drive still does not function properly after cleaning, go to Procedure 2.
Procedure 2 Diagnostic Test Program Execution Check
The CD-ROM drive Diagnostic Test program is stored on the computer's Diagnostics Disk.
Insert a test CD (Toshiba-EMI Test Disc TDY-03) into the CD-ROM drive. Then insert the
Diagnostics disk in the computer's floppy disk drive, turn on the computer, and run the test.
Refer to Chapter 3, Tests and Diagnostics, for more information about the diagnostics test
procedures.
If any other errors occur while executing the CD-ROM drive diagnostics test, go to
Procedure 3.
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CD Cleaning Check
Diagnostic Test Program Execution Check
Connector Check and Replacement Check
700 Series