Acer G520 series manual Bootable CD-ROM Is Not Detected, LED Information

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the SCSI bus. See your drive documentation for details on setting the SCSI ID for your drives.

•If using ATA drives, verify that the master/slave settings are set correctly. See your drive documentation for details on setting the master/slave settings.

•If using a RAID configuration with SCSI or SATA drives, make sure the RAID card is installed correctly.

Bootable CD-ROM Is Not Detected

Check the following:

•Make sure the BIOS is configured to allow the CD-ROM to be the first bootable device.

LED Information

The Acer Altos G520 includes LEDs that can aid in troubleshooting your system. A table of these LEDs with a description of their use is listed

below.

LED Name	Function	Location	Color	Correction
System	Visible fault	Control	Green or	•	Amber =
fault	warning	panel and	Amber		critical error or
		board rear			non-
		left corner			recoverable
				•	Amber blink =
					non-critical
ATA	Control	Control	Green	Blinking =
activity	panel	panel and		Activity. No action
		board left		required.
		side
Memory	Identify	DIMM end	Amber	On = Fault
fault 1-6	failing	front of
	memory	board
	module