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2 Troubleshooting Procedures
PORTEGE M700/M750 Maintenance Manual (960-661) [CONFIDENTIAL] 2-5
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 on the system test, memory test, real timer 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 keyboard test, perform the Keyboard Troubleshooting
Procedures in Section 2.7.
5. If an error is detected on the keyboard test, 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 LAN test, perform the LAN Troubleshooting Procedures
in Section 2.11.
9. If an error is detected on the Bluetooth test, perform the Bluetooth 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 Modem Troubleshooting
Procedures in Section 2.14.
12. If an error is detected on the sound test, perform the Web camera Troubleshooting
Procedures in Section 2.15
13. If an error is detected on the sound test, perform the Tablet Pen Troubleshooting
Procedures in Section 2.16
14. If an error is detected on the sound test, perform the Touch screen Troubleshooting
Procedures in Section 2.17