Dell DCDR01, PP521 owner manual System Messages, Code Description

Code	Description	Suggested Remedy
(repetitive
short beeps)

5RTC power failure. • Replace the battery (see "Replacing the

	Possible CMOS	Battery" in the Service Manual on the
		Dell Support website at
	battery failure.
		support.dell.com).
		• If the problem persists, contact Dell (see
		"Contacting Dell" on page 141).
6	Video BIOS test	Contact Dell (see "Contacting Dell" on
	failure.	page 141).

7CPU cache test failure. Contact Dell (see "Contacting Dell" on page 141).

System Messages

NOTE: If the message you received is not listed in the table, see the documentation for either the operating system or the program that was running when the message appeared.

A L E R T ! P R E V I O U S A T T E M P T S A T B O O T I N G T H I S S YS T E M H A V E F A I L E D A T

C H E C K P O I N T [ N N N N ] . F O R H E L P I N R E S O L V I N G T H I S P R O B L E M , P L E A S E N O T E

T H I S C H E C K P O I N T A N D C O N T A C T D E L L TE C H N I C A L S U P P O R T — The computer failed to complete the boot routine three consecutive times for the same error (see "Contacting Dell" on page 141 for assistance).

CMOS C H E C K S U M E R R O R — Possible motherboard failure or RTC battery low. Replace the battery (see "Replacing the Battery" in the Service Manual on the Dell Support website at support.dell.com or see "Contacting Dell" on page 141 for assistance).

CPU F A N F A I L U R E — CPU fan failure. Replace the CPU fan (see "Removing the Processor Heatsink" in the Service Manual on the Dell Support website at support.dell.com).

D I S K E T T E D R I V E 0 S E E K F A I L U R E — A cable may be loose, or the computer configuration information may not match the hardware configuration. Check cable connections (see "Contacting Dell" on page 141 for assistance).

Troubleshooting Tools

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