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Beep Symptoms
Symptom/Error FRU/Action in Sequence
Five short beeps,
power-on indicator
turns on then off and
LCD is blank.
Ensure that "System Boot
Drive" in the "System Secu-
rity" menu of the BIOS Utility
is not set to Drive A“.
Battery
Four short beeps
every minute and
system doesn't enter
hibernation mode.
Go to “Hibernation Mode” on
page 16.
Hard disk connection board
Hard disk drive
Planar board
No Beep Symptoms
Symptom/Error FRU/Action in Sequence
Insert system diskette
and press <Enter>
key to reboot.
Ensure that "System Boot
Drive" in the "System Secu-
rity" menu of the BIOS Utility
is not set to "Drive A".
Ensure the diskette drive con-
figuration in the "Basic
System Settings" menu of the
BIOS Utility is not set cor-
rectly.
Diskette drive cable
Diskette drive
Hard disk connection board
Hard disk drive
Planar board
No beep, power-on
indicator turns off and
LCD is blank.
Power source (battery and
adapter). See “Power
Systems Check” on page 6.
Ensure every connector is
connected tightly and cor-
rectly.
Charger board
Battery pack
AC Adapter
Planar board
No beep, power-on
indicator turns on and
LCD is blank.
Power source (battery and
adapter). See “Power
Systems Check” on page 6.
Reconnect the LCD connector
Charger board
CPU board
Reconnect the DIMM.
Planar board
ThinkPad i Series 1400 19