Beep
symptoms
Beep
symptoms
are
tones
or
a
series
of
tones
separated
by
pauses
(intervals
without
sound)
during
POST.
The
following
tables
describes
beep
symptoms.
Beep
Symptom
FRU/Action
2
short
beeps
CMOS
setting
error
Perform
the
following
actions
in
order.
1.
Start
the
Setup
Utility
program
and
press
F10
to
Save
and
exit.
See
Chapter
6,
“Using
the
Setup
Utility,”
on
page
51.
2.
Start
the
Setup
Utility
program
and
press
F7
to
load
defaults
and
then
press
F10
to
Save
and
exit.
3.
Perform
a
Boot
block
recovery.
See
“Recovering
from
a
POST/BIOS
update
failure”
on
page
442.
1
long
and
2
short
beeps
Monitor
or
video
adapter
card
error
Perform
the
following
actions
in
order.
1.
Make
sure
the
monitor
is
properly
connected
to
the
computer.
2.
Replace
the
video
adapter
card
(if
present).
3.
Replace
the
system
board.
1
long
and
3
short
beeps
Keyboard
error
Perform
the
following
actions
in
order.
1.
Make
sure
the
keyboard
is
properly
connected
to
the
keyboard
connector.
2.
Replace
the
keyboard.
3.
Replace
the
system
board.
1
long
and
9
short
beeps
BIOS
ROM
error
Perform
the
following
actions
in
order.
1.
Start
the
Setup
Utility
program
and
press
F7
to
load
defaults
and
then
press
F10
to
Save
and
exit.
See
Chapter
6,
“Using
the
Setup
Utility,”
on
page
51.
2.
Perform
a
Boot
block
recovery.
See
“Recovering
from
a
POST/BIOS
update
failure”
on
page
442.
3.
Replace
the
system
board.
Continuos
long
beeps
DRAM
memory
error
Perform
the
following
actions
in
order.
1.
Make
sure
the
memory
module(s)
are
properly
seated
in
the
connector(s).
2.
Replace
the
memory
module(s).
3.
Replace
the
system
board.
78
Hardware
Maintenance
Manual
Содержание ThinkCentre M57
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