IBM 6059, 6578, 6579, 6269, 6058, 6569, 6568, 6648, 6649 manual See Printer on

Message/Symptom	FRU/Action
Power-on indicator or hard disk drive in-use light	1.	Power Supply
not on, but computer works correctly
	2.	System Board
	3.	LED Cables
Printer problems	1.	See “Printer” on page 107
Program loads from the hard disk with a	1.	Run Setup
known-good diagnostics diskette in the first
	2.	Diskette Drive
3.5-inch diskette drive
	3.	Diskette Drive Cable
	4.	System Board
	5.	Power Supply
Drives not recognized by the Fixed Disk diagnostic	1.	Remove the first drive that does not show up
(e.g., you have six drives but the fixed disk test		and rerun the Fixed Disk diagnostic. If the
only shows three)
		remaining drives then show up, replace the
		drive you removed.
Hang during Fixed Disk diagnostic	1.	Remove the hard file being tested at the time
		of the hang.
	2.	Rerun the diagnostic.
	3.	If successful, replace the drive you removed.
RPL computer cannot access programs from its	1.	If network administrator is using LCCM
own hard disk.
		Hybrid RPL, check startup sequence:
		a. First device - network
		b. Second device - hard disk
	2.	Hard disk drive
RPL computer does not RPL from server	1.	Check startup sequence
	2.	Check the network adapter LED status
Serial or parallel port device failure (system board	1.	External Device Self-Test OK?
port)
	2.	External Device
	3.	Cable
	4.	System Board
Serial or parallel port device failure (adapter port)	1.	External Device Self-Test OK?
	2.	External Device
	3.	Cable
	4.	Alternate Adapter
	5.	System Board

Chapter 3. Types 6058/6059/6269/6578/6579 169