If the diagnostics program cannot detect an error, the problem may be intermittent. The test
program should be executed several times to isolate the problem. When a problem has
been located, perform the appropriate troubleshooting procedures as follows:
1. If an error is detected by the main battery test, perform the Power Supply
Troubleshooting procedures in Section 6-2.
2. If an error is detected by the display test, perform the Display Troubleshooting
procedures in Section 6-3.
3. If an error is detected by the floppy disk test, perform the FDD Troubleshooting
procedures in Section 6-4.
4. If an error is detected by the keyboard test, perform the Keyboard Troubleshooting
procedures in Section 6-5.
5. If an error is detected by the printer (parallel) port test, perform the Printer Port
Troubleshooting procedures in Section 6-8.
6. If an error is detected by the CD-ROM/DVD-ROM test, perform the DVD-ROM and
CD-RW/DVD-ROM Troubleshooting Procedures in Section 6-11.
7. If an error is detected by the Modem test, perform the Modem Troubleshooting
Procedures in Section 6-12 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 2.12.
Other problems that are not covered by the diagnostics program may be discovered by a user.
1. If an error is detected when using an external USB device, perform the External USB
Devices Troubleshooting procedures in Section 6-6.
2. If an error is detected when using the TV-out connection, perform the TV-Out Failure
Troubleshooting procedures in Section 6-7.
3. If an error is detected when using the touch pad, perform the Touch Pad Troubleshooting
procedures in Section 6-9.
4. If an error is detected when using the speakers, perform the Speaker Troubleshooting
procedures in Section 6-10.
5. If an error is detected when using the CD/DVD drive, perform the CD-ROM/DVD Drive
Troubleshooting procedures in Section 6-11.
6. If an error is detected when using the modem, perform the Modem Troubleshooting
procedures in Section 6-12.
7. If an error is detected when using the PCMCIA unit, perform the PCMCIA Troubleshooting
procedures in Section 6-13.
Chapter
6-4
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