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Bug: MacOs Monterey Can Disable USB Devices

macOS Monterey

Mac users report problems after upgrading to the brand new macOS Monterey. USB hubs and adapters work poorly or not at all on them. The problem had already arisen in the beta phase.

Apparently, there is a serious bug in macOS Monterey, the Apple operating system for Mac computers released on October 25, 2021. As evidenced by a number of forum entries, the Apple developers have already known it since the beta versions, but it still made it into the current version 12.0.1.

Hubs and adapters will not work to varying degrees

The bug is that USB hubs and other adapters can only be operated to a limited extent or not at all on the Macs. These are all hubs or adapters that are connected to the USB-C port, but offer additional connections themselves.

In some cases, users reported that their hub’s USB 3.0 ports have stopped working since upgrading to Monterey, while HDMI, USB-C, and other hub ports continue to work as expected. In still other cases, HDMI and/or Power Delivery will not work. There are also reports of hubs that are no longer working.

Even hubs certified by Apple can be affected. All those affected reports that their hubs previously – i.e. under Big Sur – had worked perfectly.

A clear pattern is missing – apparently Monterey’s fault alone

It’s hard to see a clear pattern beyond the fact that Monterey is in action. At first, Macs with the new M1 chips seemed to be particularly affected. In the meantime, however, Intel Mac users are also reporting the same problems.

Affected people report that Apple support should have confirmed the problems to them. There it is assumed that they will be eliminated with an upcoming patch. However, Apple has not officially commented on the problem. So if you are dependent on the hub functionality, you should probably wait with the update to Monterey until Apple has released a patch.

Yasir Zeb

Manager at Research Snipers, RS-NEWS, Digital marketing enthusiast and industry professional in Digital technologies, Technology News, Mobile phones, software, gadgets with vast experience in the tech industry, I have a keen interest in technology, News breaking.

1 thought on “Bug: MacOs Monterey Can Disable USB Devices

  1. Not only their hub. New fresh Thunderbolt-Ethernet adapter and also built-in macOS own Ethernet adapter stopped working or works intermittently. I have two cases with Apple. Monterey is half-cooked release and people at Apple need to understand that we do not use these computers for fun, but some of us do publishing and other business on them and we use them as tool for living – not a toy.

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