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129
Symptom-to-FRU error messages
LCD
Power
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.
Symptom / Error
Action in Sequence
The notebook shuts down during operation.
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.
The notebook doesn’t turn on.
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.
The notebook doesn’t turn off.
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.
The battery can’t be charged.
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.
Содержание NV-53
Страница 1: ... NV53 SERVICEGUIDE ...
Страница 6: ...Contents iv ...
Страница 12: ...CHAPTER 1 System specifications 6 System block diagram ...
Страница 48: ...CHAPTER 2 System utilities 42 ...
Страница 140: ...CHAPTER 4 Troubleshooting 134 ...
Страница 141: ...CHAPTER5 135 Connector locations System board layout ...
Страница 144: ...CHAPTER 5 Connector locations 138 ...
Страница 145: ...CHAPTER6 139 FRU Field Replaceable Unit list Introduction Exploded diagram FRU list ...
Страница 157: ...APPENDIXA 151 Test compatible components Introduction Microsoft Windows Vista Environment Test ...
Страница 161: ...APPENDIXB 155 Online support information ...
Страница 167: ......
Страница 168: ...MAN NV5x SVC GDE R1 04 09 ...