Compal JHT01 - Page 132

JHT01 Service Manual
6-4
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:
• If an error is detected by the main battery test, perform the Power Supply
Troubleshooting procedures in Section 6-2.
• If an error is detected by the display test, perform the Display
Troubleshooting procedures in Section 6-3.
• If an error is detected by the keyboard test, perform the Keyboard
Troubleshooting procedures in Section 6-4.
•
If an error is detected when using an external USB device, perform the
External USB Devices Troubleshooting procedures in Section 6-5.
•
If an error is detected when using the CRT connection, perform the CRT
Failure Troubleshooting procedures in Section 6-6.
• If an error is detected when using the HDMI connection, perform the HDMI
Failure Troubleshooting procedures in Section 6-7.
• If an error is detected when using the touch pad, perform the Touch Pad
Troubleshooting procedures in Section 6-8.
• If an error is detected when using the speakers, perform the Speaker
Troubleshooting procedures in Section 6-9.
•
If an error is detected when using the CD/DVD drive, perform the CD-
ROM/DVD Drive Troubleshooting procedures in Section 6-10.
•
If an error is detected when using the modem, perform the Modem
Troubleshooting procedures in Section 6-11.
• If an error is detected when using the Express card unit, perform the Express
card Troubleshooting procedures in Section 6-12.
• If an error is detected when using the Wireless LAN unit, perform the
Wireless LAN Troubleshooting procedures in Section 6-13.