Unlike a standard HDMI cable that connects directly to your graphics card, a USB 3 to HDMI adapter acts as an external graphics card. It requires specific software drivers to tell your operating system how to translate video data into a signal that travels over USB. This article will leave no stone unturned. We will cover what these drivers are, where to find them, how to install them, and how to fix common problems.

: Very common in budget adapters found on Amazon or eBay.

In the modern era of ultrabooks, MacBooks, and thin-and-light laptops, one glaring limitation has become increasingly frustrating: . You have a powerful machine, but it only offers a single USB-C port or a lone USB 3.0 port. You need to connect to a projector, a 4K monitor, or a TV. So, you buy an adapter: “USB 3 to HDMI.” You plug it in. Nothing happens. Or worse, a pop-up appears: “Driver not found.”