Lenovo 1008 Power Supply Problems, Beep symptoms, The following tables describes beep symptoms

Error	FRU/Action
The start-up drive is not in the boot sequence in	Check the configuration and ensure the start-up drive is
configuration.	in the boot sequence.
No operating system installed on the boot drive.	Install an operating system on the boot drive.
The boot sector on the start-up drive is corrupted.	The drive must be formatted. Do the following:
	1. Attempt to back up the data on the failing hard disk
	drive.
	2. Using the operating system programs, format the
	hard disk drive.
The drive is defective.	Replace the hard disk drive.

Power Supply Problems

If you suspect a power problem, use the following procedures.

Check/Verify		FRU/Action
Check the following for proper installation.		Reseat connectors
•	Power cord
•	On/Off switch connector
• On/Off switch power supply connector
• System board power supply connectors
•	Microprocessor(s) connection
Check the power cord for continuity.		Power cord
Check the power-on switch for continuity.		Power-on switch

Beep symptoms

Beep symptoms are tones or a series of tones separated by pauses (intervals without sound) during POST.

The following tables describes beep symptoms.

Beep Symptom	FRU/Action
2 short beeps CMOS setting error	Perform the following actions in order.
	1.	Start the Setup Utility program and press F10 to Save
		and exit. See Chapter 8 “Configuring the server” on
		page 77.
	2.	Start the Setup Utility program and press F7 to load
		defaults and then press F10 to Save and exit.
	3.	Perform a Boot block recovery. See “Recovering
		from a POST/UEFI update failure” on page 83.
1 long and 2 short beeps Monitor or video adapter card	Perform the following actions in order.
error	1.	Make sure the monitor is properly connected to the
		computer.
	2.	Replace the video adapter card (if present).
	3.	Replace the system board.

16ThinkServerHardware Maintenance Manual