Acer 4740G, 4740ZG manual No Beep Error Messages FRU/Action in Sequence

	Error Messages	FRU/Action in Sequence
	Invalid System Configuration Data	 Test or replace the BIOS ROM.
		 Test or replace the mainboard.
	I/O device IRQ conflict	 Run “Load Setup Defaults” using the BIOS Setup Utility,
		then reboot the system.
		 Test or replace the RTC battery, run the BIOS Setup
		Utility to reconfigure system time, then reboot the
		system.
		 Test or replace the mainboard.
	Operating system not found	 Run the BIOS Setup Utility and see if fixed disk and drive
		A: are properly identified.
		 Test or replace the diskette drive.
		 Test or replace the hard disk drive.
		 Test or replace the mainboard.
No Beep Error Messages

No Beep Error Messages		FRU/Action in Sequence
No beep, power-on indicator turns off and		Test the power source (battery pack and power adapter).
LCD is blank.		See “Power System Check” on page 67.
	 Make sure that every connector is connected tightly and
		correctly.
	 Reconnect the SO-DIMM.
	 Test or replace the LED board.
	 Test or replace the mainboard.
No beep, power-on indicator turns on and		Test the power source (battery pack and power adapter).
LCD is blank.		See “Power System Check” on page 67.
	 Reconnect the LCD connector.
	 Check the hard disk drive.
	 Check the LCD cable.
	 Test or replace the LCD.
	 Test or replace the mainboard.
No beep, power-on indicator turns on and		Reconnect the LCD connector.
LCD is blank. But you can see POST on an		Check the LCD cable.
external CRT.		Test or replace the LCD.
	 Test or replace the mainboard.
No beep, power-on indicator turns on and a		Make sure that every connector is connected tightly and
blinking cursor shown on LCD during		correctly.
POST.		Test or replace the mainboard.
No beep during POST but system runs		Test or replace the speaker.
correctly.		Test or replace the mainboard.

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