What is an HDMI cable used for?

An HDMI cable is used to connect devices for the purposes of transferring high definition video and audio. While all HDMI cables feature an HDMI port at one end, the type of connection at the other end can vary, to allow devices with different port types to be linked. 

Can I connect HDMI cables to my TV?

HDMI connections are supported by most TVs. An HDMI to HDMI cable allows you to connect your laptop, gaming console or media player to your TV as an output, in order to broadcast videos, games or conference calls. 

The most modern TVs are equipped with an HDMI 2.0 port, which supports 4K resolution. To display images in this format, you may need to purchase an HDMI to HDMI 2.0 cable to connect your devices. 

What does an HDMI port look like?

HDMI is a standardised connection technology that uses a 19-pin port which measures 13.9mm x 4.45mm. The ports look like a rectangle that has been tapered on one end.

What do I do if my TV doesn’t have an HDMI port?

If your TV doesn’t have an HDMI port, there are a number of ways that you can still connect HDMI-capable devices using various adapters. Depending on the capability of your television, you can use an HDMI to AV/RCA converter or an HDMI to VGA adapter to plug in your devices. If you choose to use a VGA adapter, you will also require a separate audio connection.

What is the difference between HDMI and USB ports on a TV?

HDMI and USB connections serve different purposes on your TV. The HDMI port is designed for connecting a range of devices in order to transmit high definition video and audio.  

USB ports on your TV can be used for a variety of purposes, including viewing media files, connecting external devices, charging your smartphone or tablet, and upgrading the software of your television via a file stored on an external hard drive.