Therefore, if your Apple Silicon (M1 & M2) Mac does not recognize external monitors with a USB-C connection, you should plug in the external display while your Mac is open and click Allow when asked. However, if your display wasn't connected to your Mac when updating to macOS Ventura, it needs to be explicitly approved before it can work. MacOS Ventura introduced a new " USB Restricted Mode" for Apple Silicon Macs, which prompts users for approval before an external USB or Thunderbolt accessory can communicate with macOS for connections wired directly to the USB-C port.Īccording to Apple, accessories attached during software update are allowed automatically. Allow Accessories to connect to USB-C connections If the issue persists after going through the above fixes, move on to the other solutions below to fix macOS Ventura external display not working.
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