Connect one end of the video cable to the projector unit.
Connect the VGA Cable to the PC.
Turn on projector
Turn on PC
If the image from the screen does not show on the screen, for Windows Laptop user, Press the “function” key and normally F8 on the laptop until the image on the laptop screen shows on the screen.
If the image does not show on the screen, for Mac OS X user, Click System Preferences ->Displays->Detect Display
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