eMachines D620 Service Guide - Page 88

Index of Symptom-to-FRU Error Message - bios battery

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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 LCD contrast cannot be adjusted Unreadable LCD screen Missing pels in characters Abnormal screen Wrong color displayed LCD has extra horizontal or vertical lines displayed. Check or do the following in sequence • Run "Load Setup Defaults" in BIOS Setup Utility, 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 • Mainboard • Reconnect the LCD connector • LCD inverter ID • LCD cable • LCD inverter • LCD • Mainboard • LCD inverter ID • LCD inverter • LCD cable • LCD • Mainboard Indicator-Related Symptoms Symptom / Error Indicator incorrectly remains off or on, but system runs correctly Check or do the following in sequence • Reconnect the inverter board. • Mainboard Power-Related Symptoms Symptom / Error Power shuts down during operation The system doesn't power-on. Check or do the following in sequence • Power source (battery pack and power adapter). See "Power System Check" on page 89. • Battery pack • Power adapter • Hard disk drive & battery connection board • Mainboard • Power source (battery pack and power adapter). See "Power System Check" on page 89. • Battery pack • Power adapter • Hard disk drive & battery connection board • Mainboard 98 Chapter 4

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98
Chapter 4
Index of Symptom-to-FRU Error Message
LCD-Related Symptoms
Symptom / Error
Check or do the following in sequence
LCD backlight doesn't work
LCD is too dark
LCD brightness cannot be adjusted
LCD contrast cannot be adjusted
•
Run “Load Setup Defaults” in BIOS Setup Utility, 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
•
Mainboard
Unreadable LCD screen
Missing pels in characters
Abnormal screen
Wrong color displayed
•
Reconnect the LCD connector
•
LCD inverter ID
•
LCD cable
•
LCD inverter
•
LCD
•
Mainboard
LCD has extra horizontal or vertical lines
displayed.
•
LCD inverter ID
•
LCD inverter
•
LCD cable
•
LCD
•
Mainboard
Indicator-Related Symptoms
Symptom / Error
Check or do the following in sequence
Indicator incorrectly remains off or on, but
system runs correctly
•
Reconnect the inverter board.
•
Mainboard
Power-Related Symptoms
Symptom / Error
Check or do the following in sequence
Power shuts down during operation
•
Power source (battery pack and power adapter). See “Power
System Check” on page 89.
•
Battery pack
•
Power adapter
•
Hard disk drive & battery connection board
•
Mainboard
The system doesn’t power-on.
•
Power source (battery pack and power adapter). See “Power
System Check” on page 89.
•
Battery pack
•
Power adapter
•
Hard disk drive & battery connection board
•
Mainboard