Acer Aspire 1350 Aspire 1350 Service Guide - Page 74

Index of Symptom-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 Default Settings" 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 Default Settings", 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 Main board runs correctly HDD/CD-ROM active indicators cannot work HDD/CD-ROM drive Device driver Main board Action in Sequence Power-Related Symptoms Symptom / Error Power shuts down during operation The system cannot power-on. The system cannot power-off. Action in Sequence Power source (battery pack and power adapter). See "Power System Check" on page 61. 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 61. 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 66 Chapter 4