Connect the 3.5 mm plug on the audio cable to your computer's Line Out or Headphone jack, and insert the other end into your projector's Audio input.

Connect the other end of the video cable you connected to your PC's second video output port to an available input on your multimedia projector that corresponds with the type of video cable you're ...

How to connect a laptop to a projector with HDMI? Firstly, you'll need to make sure that both the laptop and the projector are switched on.

The Apple USB-C VGA Multiport Adapter lets you mirror your Mac display to a VGA-enabled projector, TV or display in up to 1080p HD. Thankfully there are cheaper third-party USB-C to VGA adapters.