Acer Aspire 4920, Service Manual

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102 Chapter 4
Index of Error Messages
Error Message List
Error Messages Check or do the following in sequence:
Stuck Key See “Keyboard or Auxiliary Input Device Check” on page 98.
System CMOS checksum bad - Default
configuration used
T
RTC battery.
T
Run the BIOS Setup Utility to reconfigure the system time,
then reboot system.
Real time clock error
T
RTC battery
T
Run the BIOS Setup Utility to reconfigure system time, then
reboot system.
T
Mainboard
Previous boot incomplete - Default
configuration used
T
Run “Load Setup Defaults” in BIOS Setup Utility.
T
RTC battery
T
Mainboard
Invalid System Configuration Data
T
Run “Load Setup Defaults” in BIOS Setup Utility.
T
Mainboard
Operating system not found
T
Run the BIOS Setup Utility to check if the fixed disk and drive
A are properly identified.
T
CD/DVD-ROM drive
T
Hard disk drive
T
Mainboard
Power-on indicator turns off and LCD is
blank.
T
Power source (battery pack and power adapter.) See “Power
System Check” on page 99.
T
Ensure every connector is connected tightly and correctly.
T
Reconnect the DIMM
T
Mainboard
Power-on indicator turns on and LCD
is blank.
T
Power source (battery pack and power adapter.) See “Power
System Check” on page 99.
T
Reconnect the LCD connector
T
Hard disk drive
T
LCD cable
T
LCD inverter board
T
LCD
T
Mainboard
Power-on indicator turns on and LCD
is blank. But you can see POST on an
external CRT.
T
Reconnect the LCD connectors.
T
LCD cable
T
LCD inverter board
T
LCD
T
Mainboard
Power-on indicator turns on and a
blinking cursor shown on LCD during
POST.
T
Ensure every connector is connected tightly and correctly.
T
Mainboard
Failure Fixed Disk
T
Reconnect the hard disk drive connector.
T
Run “Load Setup Defaults” in BIOS Setup Utility.
T
Hard disk drive
T
Mainboard
SG_Aspire4920_Book.book Page 102 Monday, May 28, 2007 6:49 PM