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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
System board
No beep, power-on
indicator turns off and
LCD is blank.
Power source (battery and
adapter). See “Power
Systems Check” on page 25.
Ensure every connector is
connected tightly and cor-
rectly.
Charger board
Battery pack
AC Adapter
System board
No beep, power-on
indicator turns on and
LCD is blank.
Power source (battery and
adapter). See “Power
Systems Check” on page 25.
Reconnect the LCD connector
Charger board
Processor board
Reconnect the DIMM.
System board
No beep, power-on
indicator turns on and
LCD is blank. But
you can see POST
on an external CRT.
Reconnect the LCD connec-
tors.
LCD inverter ID
LCD LVDS board (for
13.3–inch LCD)
LCD FPC cable
LCD inverter
LCD
System board
No beep, power-on
indicator turns on and
a blinking cursor
shown on LCD during
POST.
Ensure every connector is
connected tightly and cor-
rectly.
System board
ThinkPad i Series 1400 (Part I) 39