Filter
Top Products
Table
B-1.
Troubleshooting
(continued)
Problem
Solution
There
is
no
light
from
the
projector
v
Check
that
the
power
cable
is
securely
connected.
v
Ensure
the
power
source
is
good
by
testing
with
another
electrical
device.
v
Restart
the
projector
in
the
correct
order
and
check
that
the
Power
LED
is
green.
v
If
you
have
replaced
the
lamp
recently,
try
resetting
the
lamp
connections.
Make
sure
the
lamp
cover
is
flush
with
the
projector
case
when
closed.
v
Replace
the
lamp
module.
See
“Replacing
the
projector
lamp”
on
page
A-1.
v
Put
the
old
lamp
back
in
the
projector
and
have
the
projector
serviced.
The
lamp
goes
off.
v
Power
surges
can
cause
the
lamp
to
turn
off.
Press
the
Power
button
twice
to
turn
off
the
projector.
When
the
Lamp
Ready
LED
is
on,
press
the
Power
button.
v
Replace
with
a
new
lamp
module.
See
“Replacing
the
projector
lamp”
on
page
A-1.
v
Put
the
old
lamp
back
in
the
projector
and
have
the
projector
serviced.
The
projector
does
not
respond
to
the
remote
control.
v
Direct
the
remote
control
towards
the
front
or
rear
remote
sensors
on
the
projector.
v
Ensure
the
path
between
remote
and
sensor
is
not
obstructed.
v
Turn
off
any
fluorescent
lights
in
the
room.
v
Check
the
battery
polarity.
v
Replace
the
batteries.
v
Turn
off
other
Infrared-enabled
devices
in
the
vicinity.
v
Have
the
remote
control
serviced.
There
is
no
sound.
v
Adjust
the
volume
on
the
remote
control.
v
See
“Adjusting
the
volume”
on
page
2-5.
v
Adjust
the
volume
of
the
audio
source.
v
Check
the
audio
cable
connection.
v
Test
the
source
audio
output
with
other
speakers.
v
Have
the
projector
serviced.
The
sound
is
distorted.
v
Check
the
audio
cable
connection.
v
Test
the
source
audio
output
with
other
speakers.
v
Have
the
projector
serviced.
B-2
IBM
M400
PROJECTOR:
User’s
Guide