Dell NM176 Ensure that the diskette drive, Drive failure, See Installing a Hard Drive on

Table 1-5. Diagnostic Indicator Codes (continued)

Code	Causes	Corrective Action
	Possible video card	See "Troubleshooting Expansion
	failure.	Cards" on page 113.
A B C D
	Diskette drive or hard	Ensure that the diskette drive and
	drive failure.	hard-drive are properly connected.
A B C D		See "Installing a Hard Drive" on
		page 67 for information on the
		drives installed in your system.
	Possible USB failure.	See "Troubleshooting a USB Device"
		on page 102.
A B C D
	No memory modules	See "Troubleshooting System
	detected.	Memory" on page 108.
A B C D
	System board failure.	See "Getting Help" on page 127.
A B C D
	Memory	See "Troubleshooting System
	configuration error.	Memory" on page 108.

A B C D

A B C D

Possible system board	See "Troubleshooting IRQ
resource and/or	Assignment Conflicts" on page 98.
system board	If the problem persists, see "Getting
hardware failure.	Help" on page 127.

=y e l l o w

=g r e e n

=o f f

30

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