Dell 745N manual Troubleshooting Your System

Table 2-3. System Messages (continued)

Message	Causes	Corrective Actions
Alert! CPU fan was not	Specified fan is faulty or the fan	Ensure that the fan assembly is properly
detected.	assembly is not installed correctly.	installed. See "Troubleshooting a Fan" in
Alert! Memory fan was not		"Troubleshooting Your System."
detected.
Alert! PCI fan was not
detected.
Alert! DIMM(s) n are	Unsupported or faulty memory	Ensure that the memory modules are
unsupported.	module(s).	properly populated. See "Memory
		Module Installation Guidelines" in
		"Installing System Components." If the
		problem persist, see "Troubleshooting
		System Memory" in "Troubleshooting
		Your System."
Alert! Mismatched DIMMs	The memory module installation	Ensure that the memory modules are
are detected in Bank n.	guidelines have not been properly	properly populated. See "Memory
Potential for decreased	followed.	Module Installation Guidelines" in
performance!		"Installing System Components."
Alert! Previous CPU fan	Specified fan failed before last system	Information only.
failure.	startup.
Alert! Previous Memory fan
failure.
Alert! Previous PCI fan
failure.
Alert! Previous voltage	The power supply failed before last	Information only.
failure.	system startup.
Alert! Processor thermal	The processor fan is faulty, or the fan	Ensure that the fan assembly is properly
probe failure detected.	assembly is improperly installed.	installed. See "Troubleshooting a Fan" in
		"Troubleshooting Your System."
Alert! Previous processor	The processor fan failed before the	Information only.
thermal event was	last system startup.
detected.

Auxiliary device failure	Loose or improperly connected mouse
	or keyboard cable; faulty mouse or
	keyboard.

Replace the mouse. If the problem persists, replace the keyboard.

BIOS Update Attempt	Remote BIOS update attempt failed. Retry the BIOS update. If the problem
Failed!	persists, see "Getting Help."

Indicators, Messages, and Codes

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