Here's an easy solution for keeping your Mini HDMI ports free from dust and other unsavory particulates. These squishy Silicone Mini HDMI Dust Cover Inserts slip neatly into any computer or device with a Mini HDMI socket.
Comes in a pack of ten, so you're set even if you have a display or computer with a lot of ports, or if you lose some.
We also have these covers for standard HDMI, USB A, USB C, and for RJ-45/Ethernet ports. Mini HDMI is a rarer type so they are more expensive