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.

Connecting your Acer laptop to an Optoma projector is ideal for giving business presentations or sharing your screen with a group of people too large to huddle around your laptop.

It's easy to connect an iPad to a projector to stream content to a larger display. Here's what you need to know to do it.