IBM 8688 manual Reseat boards and VRMs, Reseat microprocessor, System

Symptom	Suggested action
Power problems	Make sure that:
	1.	The power cables are properly connected to the server.
	2.	The electrical outlet functions properly.
	3.	The type of memory installed is correct.
	4.	If you just installed an option, remove it, and restart the server. If the server
		now turns on, you might have installed more options than the power supply
The server does not turn on.		supports.
	5.	The LEDs on the power supply are on.
	6.	The operations panel functions properly.
	7.	VRM I/O board functions properly.
	8.	RSA system reset.
	9.	See “Power checkout” on page 74 for further problem determination steps.
The server does not turn off.	Verify whether you are using an ACPI or non-ACPI operating system.
	If you are using a non-ACPI operating system:
	1.	Press Ctrl+Alt+Delete.
	2.	Turn off the system by using the power-control button.
The server does not turn on	1.	Reseat boards and VRMs.
once back together (loose
	2.	Check front panel cable connections.
connection(s) and/or bent pins)
The server turns on but then	1.	Reseat microprocessor.
turns off with fault light (bent
	2.	Microprocessor.
pin(s); short on board)
The server starts up but does	1.	Check that screw or other conductive item has not been dropped into
not POST (loose connection(s);
		system.
incorrect processor stepping;
	2.	Reseat boards and VRMs.
system speed too high for
	3.	Check for bent pins on cables.
processors; memory not stuffed
in documented order;	4.	Check for bent pins on processors.
unsupported or unvalidated
DIMMS)
Software problems	To determine if problems are caused by the software, verify that:
	1.	The server has the minimum memory requirements needed to use the
		software. For memory requirements, refer to the information that comes with
		the software.
		Note: If you have just installed an adapter or memory, you might have a
		memory address conflict.
	2.	The software is designed to operate on the server.
	3.	Other software works on the server.
Suspected software problem.	4.	The software that you are using works on another system.
	If you received any error messages when using the software program, refer to the
	information that comes with the software for a description of the messages and
	solutions to the problem.
	If the items above are correct and the problem remains, contact your place of
	purchase.
Universal Serial Bus (USB)	Verify that:
port problems	1.	The correct USB device driver is installed.
	2.	Your operating system supports USB devices.
A USB device does not work.

Chapter 6. Symptom-to-FRU index 179