Gateway NV-53A Service Guide - Page 135
Symptom-to-FRU error messages, LCD, Power - lcd replacement screen
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www.gateway.com Symptom-to-FRU error messages LCD Symptom / Error Action in Sequence n The LCD backlight doesn't work. n The LCD is too dark. n The LCD brightness cannot be adjusted. n The LCD contrast cannot be adjusted. n Run "Load Setup Defaults" using the BIOS Setup Utility, then reboot the notebook. n Reconnect the LCD connectors. n Test or replace the keyboard (if contrast and brightness function key doesn't work). n Check the LCD inverter ID. n Test or replace the LCD cable. n Test or replace the LCD inverter. n Test or replace the LCD. n Test or replace the system board. n The LCD screen is unreadable. n Missing pels in characters. n The screen appears abnormal. n The wrong color is displayed. n Reconnect the LCD connector. n Check the LCD inverter ID. n Test or replace the LCD cable. n Test or replace the LCD inverter. n Test or replace the LCD. n Test or replace the system board. The LCD is displaying extra horizontal or vertical lines. n Check the LCD inverter ID. n Test or replace the LCD cable. n Test or replace the LCD inverter. n Test or replace the LCD. n Test or replace the system board. Power Symptom / Error The notebook shuts down during operation. The notebook doesn't turn on. The notebook doesn't turn off. The battery can't be charged. Action in Sequence n Test the power source (battery pack and power adapter). See "Testing the power system" on page 118. n Test or replace the battery pack. n Test or replace the power adapter. n Test or replace the system board. n Test the power source (battery pack and power adapter). See "Testing the power system" on page 118. n Test or replace the battery pack. n Test or replace the power adapter. n Test or replace the system board. n Test the power source (battery pack and power adapter). See "Testing the power system" on page 118. n Press and hold the power button for more than four seconds. n Test or replace the system board. n Test the battery pack. See "Check the battery pack" on page 119. n Test or replace the battery pack. n Test or replace the system board. 129