InFocus LP 640 Projector User Manual


 
17
Source Troubleshooting
Problem Solution Result
No startup screen
Plug power cable in, press Power button.
Remove lens cap.
Correct image
Only startup screen appears
Press the Computer button
Activate laptop’s external port
Computer image projected
c
o
m
p
u
te
r
2
n
e
tw
o
r
k
m
o
n
ito
r
o
u
t
a
u
d
io
o
u
t
a
u
d
io
in
L
a
u
d
io
in
s
e
ria
l
c
o
n
tro
l
c
o
m
p
u
te
r
in
c
o
m
p
u
te
r
1
v
id
e
o
2
v
id
eo
in
R
S
-v
id
e
o
1
c
o
m
p
u
t
e
r
2
n
e
t
w
o
r
k
m
o
n
ito
r
o
u
t
a
u
d
i
o
o
u
t
a
u
d
i
o
i
n
L
a
u
d
io
in
s
e
r
ia
l
c
o
n
tr
o
l
c
o
m
p
u
te
r
in
c
o
m
p
u
te
r
1
v
id
e
o
2
v
id
e
o
in
R
S
-
v
id
e
o
1
c
o
m
p
u
te
r
2
n
e
tw
o
rk
m
o
n
ito
r
o
u
t
a
u
d
io
o
u
t
a
u
d
io
in
L
a
u
d
io
in
s
e
ria
l
c
o
n
tro
l
c
o
m
p
u
te
r
in
c
o
m
p
u
te
r
1
v
id
e
o
2
v
id
e
o
in
R
S
-v
id
e
o
1
c
o
m
p
u
t
e
r
2
n
e
t
w
o
r
k
m
o
n
i
t
o
r
o
u
t
a
u
d
i
o
o
u
t
a
u
d
i
o
i
n
L
a
u
d
i
o
i
n
s
e
r
i
a
l
c
o
n
t
r
o
l
c
o
m
p
u
t
e
r
i
n
c
o
m
p
u
t
e
r
1
v
i
d
e
o
2
v
i
d
e
o
i
n
R
S
-
v
i
d
e
o
1
A
or restart
laptop
c
o
m
p
u
t
e
r
2
n
e
t
w
o
r
k
m
o
n
i
t
o
r
o
u
t
a
u
d
i
o
o
u
t
a
u
d
io
i
n
L
a
u
d
i
o
i
n
s
e
r
i
a
l
c
o
n
t
r
o
l
c
o
m
p
u
t
e
r
i
n
c
o
m
p
u
t
e
r
1
v
i
d
e
o
2
v
i
d
e
o
i
n
R
S
-
v
i
d
e
o
1
A
A