Lenovo 4222, 4220, 4215 Miscellaneous error messages, Message/Symptom FRU/Action, Display/Monitor

POST Error Message	Description/Action
Press TAB to show POST screen	Pressing the TAB key permits the user to toggle between
	the default POST display screen and a custom POST
	display screen.
Error: Non-System disk or disk error Replace and press	The BIOS was unable to find a suitable boot device.
any key when ready	Make sure the boot drive is properly connected to the
	computer.
	Make sure you have bootable media.

Miscellaneous error messages

Message/Symptom	FRU/Action
Changing display colors	Display/Monitor
Computer will not power-off. See “Hard disk drive boot	1. Power Switch
error” on page 45.	2.	System Board
	3.	Riser card, if installed.
Computer will not RPL from server	1. Ensure that network is in startup sequence as first
		device or first device after diskette.
	2.	Ensure that network adapter is enabled for RPL.
	3.	Network adapter (Advise network administrator of
		new MAC address)
Computer will not perform a 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 “Starting the Setup Utility
		program” on page 39)
	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 “Hard disk drive boot error” on page	1. Power Supply
45.	2.	System Board
Diskette drive in-use light remains on or does not light	1. Diskette Drive
when drive is active.	2.	System Board
	3.	Diskette Drive Cable
Blank screen except for flashing cursor.	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

Chapter 8. Symptom-to-FRU Index 65