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2 Troubleshooting Procedures 2.2 Troubleshooting Flowchart
If the diagnostics program cannot detect an error, the problem may be intermittent. The Running
Test program should be executed several times to isolate the problem. Check the Log Utilities
function to confirm which diagnostic test detected an error, then perform the appropriate
troubleshooting procedures as follows:
1. If an error is detected by the system test, memory test, printer test, expansion test or real
timer test, perform the System Board Troubleshooting Procedures in Section 2.4.
2. If an error is detected by the floppy disk test, perform the FDD Troubleshooting
Procedures in Section 2.5.
3. If an error is detected by the hard disk test, perform the HDD Troubleshooting Procedures
in Section 2.6.
4. If an error is detected by the keyboard test, perform the Keyboard Troubleshooting
Procedures in Section 2.7.
5. If an error is detected by the display test, perform the Display Troubleshooting
Procedures in Section 2.8.
6. If an error is detected by the CD-ROM/DVD-ROM test, perform the CD-RW/DVD,
DVD-ROM, DVD-R/-RW and DVD Multi Drive Troubleshooting Procedures in Section
2.9.
7. If an error is detected by the Modem test, perform the Modem Troubleshooting
Procedures in Section 2.10 or the LAN Troubleshooting Procedures in Section 2.11.
8. If an error is detected by the Sound test, perform the Sound Troubleshooting Procedures
in Section 2.13.
2-6 Satellite A20 Maintenance Manual (960-444)