Troubleshooting Procedures
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 system test, memory test, display test,
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 found on the keyboard test (DIAGNOSTICS TEST) and pressed key display test (ONLY ONE TEST), perform the Keyboard Troubleshooting Procedures in Section 2.7.
5.If an error is found on the touch pad test (ONLY ONE 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
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 Bluetooth test, perform the Bluetooth Troubleshooting Procedures in Section 2.14.
12.If an error is detected on the Web camera test, perform the Web camera Troubleshooting Procedures in Section 2.15.
13.If an error is detected on the Tablet Pen test, perform the Tablet Pen Troubleshooting Procedures in Section 2.16.
14.If an error is detected on the Touch screen test, perform the Touch screen Troubleshooting Procedures in Section 2.17.
PORTEGE M780 Maintenance Manual | [CONFIDENTIAL] |