IBM MT 9443 User Manual
LCD
resolution
Bright
dots
Dark
dots
Bright
and
dark
dots
XGA,
WXGA
5
6
6
WXGA+,
SXGA+,
WSXGA+
5
8
10
UXGA,
WUXGA,
QXGA
5
13
13
Notes:
1.
Lenovo
will
not
provide
replacement
if
the
LCD
is
within
specification
as
we
cannot
guarantee
that
any
replacement
LCD
will
have
zero
pixel
defects.
2.
A
bright
dot
means
a
pixel
is
always
on
(white
or
color.)
3.
A
dark
dot
means
a
pixel
is
always
off
(black
color.)
4.
One
pixel
consists
of
R,
G,
B
sub-pixels.
Symptom
or
error
FRU
or
action,
in
sequence
No
beep,
power-on
indicator
on,
and
a
blank
LCD
during
POST.
System
board
.
v
LCD
backlight
not
working.
v
LCD
too
dark.
v
LCD
brightness
cannot
be
adjusted.
v
LCD
contrast
cannot
be
adjusted.
1.
Reseat
the
LCD
connectors
.
2.
LCD
assembly.
3.
System
board.
v
LCD
screen
unreadable.
v
Characters
missing
pixels.
v
Screen
abnormal.
v
Wrong
color
displayed.
1.
See
important
note
for
“LCD-related
symptoms.”
2.
Reseat
all
LCD
connectors.
3.
LCD
assembly.
4.
System
board.
Horizontal
or
vertical
lines
displayed
on
LCD.
LCD
assembly
.
Symptom-to-FRU
index
50
MT
8747,
8749,
9440,
9441,
9442,
9443,
and
9448