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What are the limitations of using a USB-C to HDMI adapter?

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What are the limitations of using a USB-C to HDMI adapter?

An adapter can bridge the gap when your ports don't match, but you have to check for weak links along the chain.

Although USB-C cables are capable of high-speed data transfers and faster charging, the shift to them has created its own connectivity issues. If your laptop lacks an HDMI output and your display doesn't have a USB-C input, you might consider a USB-C to HDMI adapter for connecting your device to a TV, monitor or projector. While these adapters can help with mismatched ports, they aren't always a perfect solution. They might fail to send high-resolution video or simply display a blank screen.

These issues usually come down to the type of cables, ports and adapter you're using. Importantly, not all USB-C ports support video, with some only capable of charging your device and conducting data transfers. Moreover, the type of HDMI adapter and cable you use determines the maximum resolution and refresh rate of the output.

For permanent setups, top-rated USB-C hubs are often the best option. Or instead of an adapter, you might get a single USB-C to HDMI cable. The advice below will largely apply to all three options.

Think of these connections as a relay, with your ports, cables and adapters all running the same signal between your device and display. Your device's USB-C port transmits a video signal through the HDMI adapter, where it is converted into an HDMI signal your display can read. Then, it's handed off to your HDMI cable, which carries it to the finish line of your TV or other display.


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