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Troubleshooting Procedures
PORTEGE Z830 Satellite Z830 Series Maintenance Manual (960-883) [CONFIDENTIAL] 2-11
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), then perform the appropriate
troubleshooting procedures as follows:
1. If an error is detected on the power supply, perform the power supply Troubleshooting
Procedures in Section 2.3.
2. If an error is detected on the system test, memory test, display test, CD-ROM/DVD-
ROM test, expansion test, real timer test, sound test or Modem/LAN/Bluetooth
/IEEE1394 test, perform the System Board Troubleshooting Procedures in Section 2.4.
3. If an error is detected on the floppy disk test, perform the USB FDD Troubleshooting
Procedures in Section 2.5.
4. If an error is detected on the hard disk test, perform the mSATA SSD Troubleshooting
Procedures in Section 2.6.
5. If an error is found on the keyboard test (DIAGNOSTICS TEST) and pressed key
display test (ONLY ONE TEST), perform the Keyboard Troubleshooting Procedures
in Section 2.7.
6. If an error is found on the touch pad test (ONLY ONE TEST), perform the touch pad
Troubleshooting Procedures in Section 2.8.
7. If an error is detected on the display test, perform the Display Troubleshooting
Procedures in Section 2.9.
8. If an error is detected on the LAN test, perform the LAN Troubleshooting Procedures
in Section 2.10.
9. If an error is detected on the wireless LAN test, perform the Wireless LAN or Wireless
LAN +Bluetooth Troubleshooting Procedures in Section 2.11.
10. If an error is detected on the sound test, perform the Sound Troubleshooting
Procedures in Section 2.12.
11. If an error is detected on the sound test, perform the SD Card Troubleshooting
Procedures in Section 2.13.
12. If a malfunction is detected on the fingerprint sensor, perform the Fingerprint Sensor
Troubleshooting Procedures in Section 2.14.
13. If a malfunction is detected on the Web camera, perform the Web camera
Troubleshooting Procedures in Section 2.15
14. If a malfunction is detected on the 3G, perform the 3G Troubleshooting Procedures in
Section 2.16