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5-4 Troubleshooting and Repair
POWER-ON SELF TEST (POST)
This section provides you with the Phoenix BIOS POST errors and messages summary.
Refer to this whenever you encounter error messages or beep codes generated by the com-
puter during startup.
POST Messages
The following is a summary of the Phoenix BIOS startup error messages that are displayed
on the notebook’s display. These messages will help you to understand many of the note-
book’s problems that may be corrected by entering the CMOS SETUP program and
checking the original values.
Table 5-2 POST Error Messages
Message Possible Cause Action
Diskette drive A failure The drive failed or is
missing.
Check the drive to determine
the problem.
Diskette read failure -
press
F1
to retr
y
boot,
F2
for SETUP utility
The diskette is either not
formatted or is defective.
Replace the diskette with a
bootable diskette and retr
y
.
No displa
y
messa
g
e,
s
y
stem will beep when
adapter fails,
The primar
y
video adapter
failed.
Check the primar
y
video
adapter.
Gate A20 failure The ke
y
board controller is
not acceptin
g
command,
specificall
y
, the enable
and disable A20
command.
Check the ke
y
board
controller and s
y
stem board.
Turn the power off, then back
on a
g
ain. If the problem
persists contact qualified
NEC service personnel.
Fixed disk confi
g
uration
error
The specified
confi
g
uration is not
supported or doesn't
match the actual hardware
installed.
Correct the fixed disk
configuration.
Fixed disk controller
failure
The fixed disk ma
y
be
defective.
Tr
y
rebootin
g
. If that doesn't
work, replace the fixed disk.
Fixed disk read failure-
press
F1
to retr
y
boot,
F2
for SETUP utility
The fixed disk ma
y
be
confi
g
ured incorrectl
y
or is
defective.
Check the drive t
y
pe selected
in SETUP. Tr
y
rebootin
g
. If
that does not work, replace
the fixed disk.
Pointer device failure The PS/2-st
y
le mouse
failed.
Tr
y
rebootin
g
. If problem
persists, check the mouse,
it's cable and connector.
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