Remote control problems, Audio problems, Servicing the projector – Lenovo M500 User Manual
Page 53: Remote, Control, Problems, Audio, Servicing, Projector

Remote
control
problems
Issue
Solution(s)
The
projector
does
not
respond
to
the
remote
control.
1.
Direct
the
remote
control
towards
remote
sensor
on
the
projector.
2.
Ensure
that
the
path
between
remote
and
sensor
is
not
obstructed.
3.
Turn
off
any
fluorescent
lights
in
the
room.
4.
Check
the
battery
polarity.
5.
Replace
the
batteries.
6.
Turn
off
other
Infrared-enabled
devices
in
the
vicinity.
Audio
problems
Issue
Solution(s)
There
is
no
sound.
1.
Adjust
the
volume
on
the
remote
control
2.
Adjust
the
volume
of
the
audio
source.
3.
Check
the
audio
cable
connection.
4.
Test
the
source
audio
output
with
other
speakers.
The
sound
is
distorted.
1.
Check
the
audio
cable
connection.
2.
Test
the
source
audio
output
with
other
speakers.
Servicing
the
projector
If
you
are
unable
to
solve
the
problem,
you
should
have
the
projector
serviced.
For
details
on
obtaining
service,
go
to
Appendix
B.
Troubleshooting
B-3