Article ID: 177
Last updated: 19 Jul, 2024
Cable Matters released a custom firmware update for their USB-C to HDMI 2.1 adapters that allow macOS users to achieve 4K@120hz when connected to an HDMI display via USB-C. Applies to This firmware update applies to the following Cable Matters products: You may download the macOS firmware and firmware update instructions for these products by following the link here. Firmware Update Instructions Each Cable Matters adapter has a specific firmware version. Please check the model number of your adapter before updating the firmware. If you are unsure which adapter or cable you have, please contact us at support@cablematters.com and we will be happy to assist. Note: 1. A Windows laptop that supports DP Alt Mode over the USB-C is required to flash the firmware. *The monitor must be connected via the Cable Matters adapter and recognized in the Windows display settings when opening the VMMDPTool and throughout the firmware update process.* 2. There could be some unforeseen compatibility issues after flashing the custom firmware. Firmware Update Troubleshooting
Article ID: 177
Last updated: 19 Jul, 2024
Revision: 4
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