Epson PowerLite U50 3700-Lumen WUXGA 3LCD Projector - Manual (Page 200)

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2. 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.)
3. If necessary, check your video card settings and set the multiple display option to Clone , 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 , Display , or Color LCD .
2. Click the Arrange or Arrangement tab.
3. Select the Mirror Displays checkbox.
Parent topic: Solutions When "No Signal" Message Appears
Solutions When No Image Appears on an External Monitor
If no image appears on a connected external monitor, try the following solutions:
• Make sure your external monitor's cable is connected to the monitor and to the projector's Monitor
Out port.
Parent topic: Solving Image or Sound Problems
Related tasks
Connecting to an External Computer Monitor
Solutions When "Not Supported" Message Appears
If the "Not Supported" message appears, try the following solutions:
• Make sure the correct input signal is selected on the Signal menu.
• 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.
Parent topic: Solving Image or Sound Problems