InFocus LP 640 Projector User Manual


 
18
No computer image, just the words “Signal out of
range”
Adjust computer refresh rate in Control
Panel>Display>Settings>Advanced>
Adapter (location varies by operating
system)
Computer image projected
The video embedded in my PowerPoint
presentation does not play on the screen
Turn off the internal LCD display on your
laptop
Embedded video plays correctly
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
Signal out of
range
You may also need to set a different
resolution on your computer, as shown
in the following problem, “Image fuzzy
or cropped”
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
A
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
A
B
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
B