Lenovo 7718, 7721, 7715, 7774, 7706, 7719, 7749, 7799, 7773, 7705, 7717, 7522, 7515, 7569, 7523 Beep symptoms

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	Perform the following actions in order.
CMOS setting error	1.	Start the Setup Utility program and press
		F10 to Save and exit. See Chapter 6,
		“Using the Setup Utility,” on page 49.
	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/BIOS update
		failure” on page 380.
1 long and 2 short beeps	Perform the following actions in order.
Monitor or video adapter card 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.
1 long and 3 short beeps	Perform the following actions in order.
Keyboard error	1.	Make sure the keyboard is properly
		connected to the keyboard connector.
	2.	Replace the keyboard.
	3.	Replace the system board.
1 long and 9 short beeps BIOS ROM error	Perform the following actions in order.
	1.	Start the Setup Utility program and press
		F7 to load defaults and then press F10 to
		Save and exit. See Chapter 6, “Using the
		Setup Utility,” on page 49.
	2.	Perform a Boot-block recovery. See
		“Recovering from a POST/BIOS update
		failure” on page 380.
	3.	Replace the system board.
Continuos long beeps	Perform the following actions in order.
DRAM memory error	1.	Make sure the memory module(s) are
		properly seated in the connector(s).
	2.	Replace the memory module(s).
	3.	Replace the system board.

76Hardware Maintenance Manual