Dell NM176 owner manual Diagnostics Indicator Codes

Table 1-4. System Messages (continued)

Message	Causes	Corrective Actions
Write fault	Faulty diskette, diskette	Replace the diskette.
Write fault on	drive, hard drive.	Ensure that the diskette
		drive and hard-drive cables
selected drive
		are properly connected. See
		"Troubleshooting a USB
		Device" on page 102 or
		"Troubleshooting a Hard
		Drive" on page 111 for the
		appropriate drive(s)
		installed in your system.

Diagnostics Indicator Codes

The four diagnostics indicators on the system front panel display error codes during system startup. Table 1-5 lists the causes and possible corrective actions associated with these codes.

Table 1-5. Diagnostic Indicator Codes

Code	Causes	Corrective Action
	Possible processor	See "Troubleshooting the
	failure.	Microprocessor" on page 114.
A B C D
	Memory failure.	See "Troubleshooting System
		Memory" on page 108.
A B C D
	Possible expansion	See "Troubleshooting Expansion
	card failure.	Cards" on page 113.

A B C D

= y e l l o w

= g r e e n

= o f f

About Your System

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