But for other matchups, you’ll need something with a bit of smarts. These range from simple HDMI-to-VGA for less than 10 bucks, to multi-adapters that cover every possible connection for $20 to $50.

I have a laptop with an HDMI connector, and when I do presentations at work (a pretty common occurance) I have to plug into a projector w/ a VGA connection. I bought an adapter off Amazon, and it ...