2.2 Troubleshooting Flowchart 2 Troubleshooting Procedures
QOSMIO F20 Maintenance Manual (960-526) [CONFIDENTIAL] 2-5
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. Check the Log Utilities
function to confirm which diagnostic test detected an error(s), and perform the appropriate
troubleshooting procedures as follows:
1. If an error is detected on the system test, memory test, display test, printer test, Async
test, expansion test, real timer test, NDP test or LAN/Modem/IEEE1394/Bluetooth test,
perform the System Board Troubleshooting Procedures in Section 2.4.
2. If an error is detected on the floppy disk test, perform the USB FDD Troubleshooting
Procedures in Section 2.5.
3. If an error is detected on the hard disk test, perform the HDD Troubleshooting
Procedures in Section 2.6.
4. If an error is detected on the test for keyboard in ONLY ONE test program, perform
the Keyboard Troubleshooting Procedures in Section 2.7.
5. If an error is detected on the test for touch pad in ONLY ONE test program, perform
the Touch pad Troubleshooting Procedures in Section 2.8.
6. If an error is detected on the display test, perform the Display Troubleshooting
Procedures in Section 2.9.
7. If an error is detected on the CD-ROM/DVD-ROM test, perform the Optical Drive
Troubleshooting Procedures in Section 2.10.
8. If an error is detected on the Modem test, perform the Modem Troubleshooting
Procedures in Section 2.11.
9. If an error is detected on the LAN test, perform the LAN Troubleshooting Procedures
in Section 2.12.
10. If an error is detected on the Wireless LAN test, perform the Wireless LAN
Troubleshooting Procedures in Section 2.13.
11. If an error is detected on the Sound test, perform the Sound Troubleshooting
Procedures in Section 2.14.
12. If any trouble occurs on the TV tuner function, perform the TV tuner Troubleshooting
Procedures in Section 2.15.
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