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 MessagesThe 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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