NEC PowerMate CT manual Problems and Solutions, Problem Symptom Solution

Problems and Solutions

Problem	Symptom	Solution
Operating system	System halts during loading	1.	Power the system off. Check for proper
does not boot	sequence.	jumper settings (see Section 2), then power-on the
(cont’d)		system.
		2.	Check the condition of the selected bootload
		device (diskette, disc, or hard disk) for bad boot
		track or incorrect OS files.
		3.	Try booting OS from diskette or disc, or
		recopy OS files onto hard disk.
		4.	Verify correct hard disk is selected.
Diskette drive	Lamp on drive panel does not	1.	Check power and signal cable connections
does not work	light when diskette is loaded.	between diskette drive and power supply.
		2.	Check diskette drive cable. Replace as
		necessary.
		3.	Check power supply.
		4.	Replace diskette drive.
		5.	Replace system board.
Hard drive	Hard drive lamp does not light	1.	Check cable connections between lamp and
malfunction	but hard drive can be	system board.
	accessed.
	Hard drive controller failure	1.	Check that the IDE channel and hard drive are
	message displayed.	enabled in Setup (see Section 2).
	Cannot access hard drive.	1.	Check signal/power connections between
		hard disk, system board, power supply.
		2.	Check hard drive jumper settings.
		3.	Check power supply.
		4.	Check hard drive cable and hard drive.
		Replace as necessary.
		5.	Replace system board.
Memory	Total memory not recognized.	1.	Reseat RIMM(s) and continuity module.
malfunction		2.	Systematically swap RIMMs.
		3.	Check to see if the RIMM configuration is valid
		(see Section 4).
		4.	Replace RIMM(s) or continuity module.
		5.	Replace system board.

Troubleshooting 7-7