129
2.
To display on both the laptop's monitor and the projector, try pressing the same keys again.
3.
If the same image is not displayed by the laptop and projector, check the Windows
Display
utility to
make sure the external monitor port is enabled and extended desktop mode is disabled. (See your
computer or Windows manual for instructions.)
4.
If necessary, check your video card settings and set the multiple display option to
Mirror
or
Duplicate
.
Parent topic:
Solutions When "No Signal" Message Appears
Displaying From a Mac Laptop
If you see the "No Signal" message when you display from a Mac laptop, you need to set up the laptop
for mirrored display. (See your laptop manual for details.)
1.
Open the
System Preferences
utility and select
Displays
.
2.
Click the
Arrangement
tab.
3.
Select the
Mirror Displays
checkbox.
Parent topic:
Solutions When "No Signal" Message Appears
Solutions When "Not Supported" Message Appears
If the "Not Supported" message appears, try the following solutions:
• Make sure the computer's display resolution does not exceed the projector's resolution and frequency
limit. If necessary, select a different display resolution for your computer. (See your computer manual
for details.)
• As a test, try setting the computer's display resolution to the lowest possible setting, and then
gradually increase it as necessary.
• Check the input resolution under
Projector Info
in the
Info
menu and make sure that the projector
supports that resolution.
Parent topic:
Solving Image or Sound Problems
Related references
Input Signal Settings - Signal Menu
Projector Setup Settings - Extended Menu
Supported Video Display Formats
Summary of Contents for PowerLite Home Cinema 3900
Page 1: ...PowerLite Home Cinema 3900 User s Guide ...
Page 2: ......
Page 8: ......
Page 23: ...23 Front Rear Front Ceiling ...
Page 25: ...25 Vertical lens shift adjustment Horizontal lens shift adjustment ...
Page 50: ...50 Parent topic Using the Projector on a Network ...
