
Look for the "F" key with a picture of your monitor, computer and monitor, VGA port, or text containing a combination of words such as "CRT", "VGA" or "LCD". Key combinations vary by laptop model and brand, but typically involve holding down the "Fn" key while pressing one of the numbered "F" keys on the top row of the keyboard. If you don't see the screen being projected, press the laptop's special key combination after boot to activate its HDMI port. Press the "Power" button on your computer to turn it on and start the boot process.

Press the Source button on the Optoma projector or its remote until the HDMI input to which the computer is connected is selected. Wait for it to warm up and start displaying images. Press the "Power" button to turn on your Optoma projector. Plug the other end of the cable into the laptop's HDMI port, taking care to ensure the correct orientation. The flat cable has a protrusion on one side, so you must insert it the correct way however, don't force it. Plug one end of the HDMI cable into the HDMI input of the Optoma projector. Press the "Power" button on the laptop and Optoma projector to turn it off.
