Acer TravelMate 2200 Acer TravelMate 2200, TravelMate 2700 and Aspire 1670 Ser - Page 81

Index of Sympton-to-FRU Error Message LCD-Related Symptoms Symptom / Error LCD backlight doesn't work LCD is too dark LCD brightness cannot be adjusted Unreadable LCD screen Missing pels in characters Abnormal screen Wrong color displayed LCD has extra horizontal or vertical lines displayed. Action in Sequence First, plug a monitor to CRT port. Next, enter BIOS utility to running "Load Setup Defaults" then reboot the system. Reconnect the LCD connectors. Keyboard (if the brightness function key doesn't work). LCD cable LCD inverter LCD Main board Enter BIOS Utility to execute "Load Setup Defaults", then reboot system. Reconnect the LCD connectors. Keyboard (if the brightness function key doesn't work). LCD cable LCD inverter LCD Main board Reconnect the LCD cable LCD cable LCD Main board Indicator-Related Symptoms Symptom / Error Indicator incorrectly remains off or on, but system runs correctly HDD/CD-ROM active indicators cannot work Power-Related Symptoms Symptom / Error Power shuts down during operation The system cannot power-on. The system cannot power-off. Main board Action in Sequence HDD/CD-ROM drive Device driver Main board Action in Sequence Power source (battery pack and power adapter). See "Power System Check" on page 66. Battery pack AC adapter See if the thermal module is overheat (Heat sink or fan). Main board Power source (battery pack and power adapter). See "Power System Check" on page 66. Battery pack Power adapter CPU Main board In Windows XP operating system, hold and press the power switch for more than 4 seconds. If the system can power off, then the main board is OK. Verify OS in the HDD. Main board 75 Chapter 4