Lenovo ThinkPad X60 Hardware Maintenance Manual - Page 54

symptoms, No-beep

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Symptom-to-FRU index Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD. 1. Reseat the LCD connector. 2. LCD assembly. 3. External CRT. 4. System board. One long and two short beeps, and a blank or unreadable LCD. 1. System board. 2. LCD assembly. 3. DIMM. Two short beeps with error codes. POST error. See "Numeric error codes" on page 43. Two short beeps and a blank screen. 1. System board. 2. DIMM. Three short beeps, pause, three more short 1. DIMM. beeps, and one short beep. 2. System board One short beep, pause, three short beeps, pause, three more short beeps, and one short beep. Only the cursor appears. Reinstall the operating system. Four cycles of four short beeps and a blank System board (security chip) screen. Five short beeps and a blank screen. System board No-beep symptoms Symptom or error FRU or action, in sequence No beep, power-on indicator on, LCD blank, 1. Make sure that every connector is and no POST. connected tightly and correctly. 2. DIMM. 3. System board. No beep, power-on indicator on, and LCD blank during POST. 1. Reseat DIMM. 2. System board. The power-on password prompt appears. A power-on password or a supervisor password is set. Type the password and press Enter. The hard-disk password prompt appears. A hard-disk password is set. Type the password and press Enter. 48 MT 6363, 6364, 6365, 6366, 6367, 6368, 7762, 7763, 7764, 7767, 7768, and 7769

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Beep
symptoms
Symptom
or
error
FRU
or
action,
in
sequence
One
beep
and
a
blank,
unreadable,
or
flashing
LCD.
1.
Reseat
the
LCD
connector
.
2.
LCD
assembly.
3.
External
CRT.
4.
System
board.
One
long
and
two
short
beeps,
and
a
blank
or
unreadable
LCD.
1.
System
board
.
2.
LCD
assembly.
3.
DIMM.
Two
short
beeps
with
error
codes.
POST
error.
See
“Numeric
error
codes”
on
page
43.
Two
short
beeps
and
a
blank
screen.
1.
System
board
.
2.
DIMM.
Three
short
beeps,
pause,
three
more
short
beeps,
and
one
short
beep.
1.
DIMM
.
2.
System
board
One
short
beep,
pause,
three
short
beeps,
pause,
three
more
short
beeps,
and
one
short
beep.
Only
the
cursor
appears.
Reinstall
the
operating
system
.
Four
cycles
of
four
short
beeps
and
a
blank
screen.
System
board
(security
chip)
Five
short
beeps
and
a
blank
screen.
System
board
No-beep
symptoms
Symptom
or
error
FRU
or
action,
in
sequence
No
beep,
power-on
indicator
on,
LCD
blank,
and
no
POST.
1.
Make
sure
that
every
connector
is
connected
tightly
and
correctly
.
2.
DIMM.
3.
System
board.
No
beep,
power-on
indicator
on,
and
LCD
blank
during
POST.
1.
Reseat
DIMM
.
2.
System
board.
The
power-on
password
prompt
appears.
A
power-on
password
or
a
supervisor
password
is
set.
Type
the
password
and
press
Enter
.
The
hard-disk
password
prompt
appears.
A
hard-disk
password
is
set.
Type
the
password
and
press
Enter
.
Symptom-to-FRU
index
48
MT
6363,
6364,
6365,
6366,
6367,
6368,
7762,
7763,
7764,
7767,
7768,
and
7769