Apple has a support document that details the differences between the two adapters. The older version (model number A1621) supports HDMI 1.4. When shopping, check the model number (at an Apple store, you likely will get the new model).
Be warned: Apple released a new version of this adapter (model number A2119) in August 2019 that supports HDMI 2.0. For an 8K display, you need an HDMI 2.1 cable with support for 48Gbps bandwidth, such as the Belkin Ultra HD HDMI 2.1 Cable ( $20/ £51 on Amazon)įor other Macs, Apple offers the USB-C Digital AV Multiport Adapter, a $69/£75 device that also provides a USB-A port and a USB-C port that’s for charging only. The M2 Pro/Max 14- and 16-inch MacBook Pro has an HDMI 2.1 port and can run a 4K display at 240Hz, or up to an 8K display at 60Hz. Keep in mind that the port supports HDMI 2.0, so the maximum resolution and refresh rate it can run is 4k at 60Hz. You can use a regular HDMI cable like the Amazon Basic HDMI cable ( $17/ £12 on Amazon) and plug it in. If this is not the case, the adapter needs to be changed.If you have the 14- or 16-inch M1 Pro/Max MacBook Pro or Mac Studio, they have a full-sized HDMI 2.0 port. In this case, first, try to check if the adapter works with other devices. Another problem could be that the adapter is not working properly. The problem is neither your computer nor your external monitor. Step 2: Select the Action tab and click the Scan for hardware changes option.Īfter you scan for hardware changes, Windows may recognize an attached USB to HDMI adapter. Then select your PC at the top of Device Manager. To solve the USB C to HDMI not working issue, you can scan for hardware changes. Alternatively, if you are using a USB to HDMI hub and have a spare, switch between them to see if this is not a hardware issue.
So, try connecting your USB to an HDMI adapter that has another port on your desktop or laptop. There may be a problem with the USB port used to connect the USB to the HDMI adapter. Solution 3: Connect to an Alternative USB Port / Change Hub Then right click on your USB device and select Update Driver. Step 2: In the Device Manager window, expand the Other Devices option. Step 1: Right click the Windows icon on the taskbar and then select the Device Manager option. So, updating the USB to HDMI adapter driver might fix it. The USB C to HDMI not working issue can be caused by incorrect or incompatible device drivers.
Read More Solution 2: Update the USB to HDMI Driver
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