IBM 1400 (2611) manual Beep Symptoms, No Beep

Beep Symptoms

Symptom/Error					FRU/Action		in	Sequence
Five	short		beeps,		Ÿ	Ensure		that	"System		Boot
power-on		indicator				Drive" in the "System Secu-
turns on then				off	and	rity"		menu	of	the	BIOS Utility
LCD	is	blank.				is	not	set	to	Drive A‘.
					Ÿ	Battery
Four	short		beeps		Ÿ	Go to “Hibernation Mode” on
every		minute		and		page		121.
system		doesn't		enter Ÿ		Hard		disk	connection		board
hibernation			mode.		Ÿ	Hard		disk	drive
					Ÿ	System board

No Beep		Symptoms
Symptom/Error		FRU/Action		in	Sequence
Insert		system disketteŸ	Ensure		that	"System		Boot
and	press<Enter>		Drive"		in the "System Secu-
key	to	reboot.	rity"		menu	of	the	BIOS Utility
			is	not	set	to	"Drive A".

ŸEnsure the diskette drive con- figuration in the "Basic System Settings" menu of the BIOS Utility is not set cor- rectly.

ŸDiskette drive cable

ŸDiskette drive

Ÿ Hard disk connection board

ŸHard disk drive

ŸSystem board

No beep, power-on	Ÿ Power source (battery and
indicator turns off	andadapter). See		“Power
LCD is blank.	Systems	Check”	on
	page	111.

ŸEnsure every connector is connected tightly and cor- rectly.

ŸDC/DC charger

ŸBattery pack

ŸAC Adapter

ŸSystem board

No beep, power-on	Ÿ Power source (battery and
indicator turns on	and	adapter).		See	“Power
LCD is blank.		Systems	Check”		on
		page	111.
	Ÿ	Reconnect		the	LCD connector
	Ÿ	DC/DC charger
	Ÿ	Processor board
	Ÿ	Reconnect		the	DIMM.
	Ÿ	System board

124 ThinkPad i Series 1400 HMM