Epson PowerLite L400U, User Manual, Page: 225 / 262

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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 a VGA cable is connected to your computer and one of the projector's Computer ports.
• 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 a Computer for VGA Video
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
Related references
Input Signal Settings - Signal Menu
Supported Video Display Formats