IBM 6269, 6578, 6579, 6059, 6058, 6569, 6568, 6648, 6649 manual Setup/Configuration. See Setup Utility

Message/Symptom	FRU/Action
Computer will not Wake On LAN (if applicable)	1.	Check power supply and signal cable
		connections to network adapter
	2.	Ensure that the operating system settings are
		set to enable Wake on LAN
	3.	Ensure Wake On LAN feature is enabled in
		Setup/Configuration. (See “Setup Utility
		program” on page 122.)
	4.	Ensure network administrator is using correct
		MAC address
	5.	Ensure no interrupt or I/O address conflicts
	6.	Network adapter (advise network
		administrator of new MAC address)
Dead computer. See “Power supply” on page 108.	1.	Power Supply
	2.	System Board
Diskette drive in-use light remains on or does not	1.	Diskette Drive
light when drive is active.
	2.	System Board
	3.	Diskette Drive Cable
Flashing cursor with an otherwise blank display.	1.	System Board
	2.	Primary Hard Disk Drive
	3.	Hard Disk Drive Cable
Incorrect memory size during POST	1.	Run the Memory tests
	2.	Memory Module
	3.	System Board
″Insert a Diskette″ icon appears with a	1.	System Board
known-good diagnostics diskette in the first
	2.	Diskette Drive Cable
3.5-inch diskette drive.
	3.	Network Adapter
Intensity or color varies from left to right of	1.	Display
characters and color bars
	2.	System Board
No power or fan not running	1.	See “Power supply” on page 108
Non-system disk or disk error-type message with	1.	Diskette Drive
a known-good diagnostic diskette.
	2.	System Board
	3.	Diskette Drive Cable
Other display symptoms not listed above	1.	See “Display” on page 110
(including blank or illegible display)
	2.	System Board
	3.	Display

168Hardware Maintenance Manual: IBM NetVista Computer Types 6058, 6059, 6269, 6568, 6569, 6578, 6579, 6648,

6649