Dell T7400 System Messages, Ensure that the memory you are using is, Supported by your computer

C H E C K S U M E R R O R

Code	Description	Suggested Remedy
(repetitive
short beeps)
4	RAM Read/Write	• Ensure that no special requirements for
	failure.	memory module/connector placement
		exist (see "Memory" in your User’s Guide).
		• Ensure that the memory you are using is
		supported by your computer
		(see "Memory" in your User’s Guide).
		• If the problem persists, contact Dell (see
		"Contacting Dell" in your User’s Guide).
5	Real time clock failure.	• Replace the battery (see "Replacing the
	Possible battery failure	Battery" in your User’s Guide).
	or motherboard failure.	• If the problem persists, contact Dell (see
		"Contacting Dell" in your User’s Guide).
6	Video BIOS	Dell (see "Contacting Dell" in your
	Test Failure.	User’s Guide).

System Messages

NOTE: If the message you received is not listed in the following 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" in your User’s Guide for assistance).

CMOS— Possible motherboard failure or the real-time clock battery charge is low. Replace the battery (see "Replacing the Battery" or "Contacting Dell" in your User’s Guide for assistance).

CPU F A N F A I L U R E — CPU fan failure. Replace the CPU fan (see "Removing the Processor" in your User’s Guide).

F L O P P Y D I S K E T T E 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" in your User’s Guide for assistance).

Quick Reference Guide

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