Chapter 4
93
No beep, power-on
indicator turns on and LCD
is blank. But you can see
POST on an external CRT.
Reconnect the LCD connectors.
LCD inverter ID
LCD cable
LCD inverter
LCD
System board
No beep, power-on
indicator turns on and a
blinking cursor shown on
LCD during POST.
Ensure every connector is connected tightly and
correctly.
System board
No beep during POST but
system runs correctly.
Speaker
System board
LCD-Related Symptoms
Symptom / Error
Action in Sequence
LCD backlight doesn't work
LCD is too dark
LCD brightness cannot be
adjusted
LCD contrast cannot be
adjusted
Enter BIOS Utility to execute “Load Setup Default
Settings”, then reboot system.
Reconnect the LCD connectors.
Keyboard (if contrast and brightness function key
doesn't work).
LCD inverter ID
LCD cable
LCD inverter
LCD
System board
Unreadable LCD screen
Missing pels in characters
Abnormal screen
Wrong color displayed
Reconnect the LCD connector
LCD inverter ID
LCD cable
LCD inverter
LCD
System board
LCD has extra horizontal or
vertical lines displayed.
LCD inverter ID
LCD inverter
LCD cable
LCD
System board
No-Beep Symptoms
Symptom / Error
Action in Sequence
Summary of Contents for TravelMate 330 Series
Page 5: ...V ...
Page 42: ...42 SystemIntroductions ...
Page 84: ...84 Removal and Replacement ...
Page 100: ...100 Troubleshooting ...
Page 114: ...114 Model Number and Configurations ...