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USB 3.0 Hub Broken on Mac OS Monterey 12.0.1

Since upgrading to Mac OS Monterey, solely the USB 3.0 port on my Hub has stopped working. Power is allowed to pass through to connected devices, however the transfer of data has stopped working.


Everything was working on Mac OS Big Sur, and it is only since updating to Monterey it has stopped working. I have found several reports on the developer forums for Mac OS stating this was an issue since around Beta 3 for some users, and there are reports on Reddit of other people having this issue.


Apple Support were useless and told me to bring my Mac in for repair (despite it only being 4 days old and the issue happening directly after an update) I took the Hub back to the place of purchase and they tested it on a Mac with Big Sur installed and it worked. When plugging it into another Mac that had been updated to Monterey the 3.0 Port stopped working.


It's an Advent Hub, not some dodgy knockoff one of Amazon. It worked absolutely fine prior to the Monterey upgrade.


Now when plugging in my iPhone via USB 3.0 or my Mouse, all that happens is the LED's on my mouse light up (but not the laser) or my iPhone charges, but won't connect to my Mac.


Oddly, both the HDMI and USB-C port on the hub continue to work as expected.

MacBook Pro 13″, macOS 11.6

Posted on Oct 28, 2021 2:53 AM

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Question marked as Top-ranking reply

Posted on Oct 28, 2021 5:37 AM

Thanks for your response.


Unfortunately I don't have an Intel Mac to test this on, both machines tested at the place of purchase were M1 based Macs. My Mac, is also M1 based.


M1 with Big Sur = Working USB Hub


M1 with Monterey = Broken USB Hub with only HDMI and USB-C working on the hub, but no USB 3.0


It would be interesting to test with an Intel Mac on both Monterey and Big Sur, to see if the issues are consistent across both chipsets and OS's. The fact of the matter is though, my M1 based machine worked fine with this hub on Big Sur, and Monterey has changed that.

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137 replies

Oct 30, 2021 7:12 PM in response to rodian2

I have spent all day trying to get the hub to work no luck the last thing apple support told me was to go back to Big Sur but on looking up how to do it you need A USB DRIVE but the hub that I use to do the usb drive is not working so how can I do what is needed to go back to Big Sur. you need to create a bootable installer on a thumb drive. is there any other way to do it? if not the Hub I bought about a month ago looks like it is no good on my Mac book pro works fine on my I Mac desk top running Monterey.still have a email to ikling but don't think they will get back to me till Monday. Will post if they can help or find a way to get the hub working.

Oct 31, 2021 2:42 AM in response to mrokloricred37

One thing is sure: most accessories, today, are from strange brands which mostly don't meet the required quality standards especially as tecnologies move continuosly versus higher and higher performance and then standards' requirements. I recently had problems with Softraid's kext loading and looked a sw problem. Solved with a usb-c cable among 4. With the other 3, didn't work. All sold as per high quality usb-c cables.

So: where are the problems, sometimes...(?)


(In response to everybody...)

Oct 31, 2021 4:32 AM in response to Felipealalc

Nope. Electronics (as the human body, for example) are very complex systems. We cannot think with "simple" thoughts. Of course, I'm hoping for all you fellows in trouble that's a bug ans update will solve as changing the hardware is expensive. That said, I would have never have switched to a newly released OS version before reading about it around the web. Personally, i did it because I had enrolled the Public Beta program and found that PB 10 and 12.01 RC1 and 2 solved all my unsolvable problems in Big Sur (here is an M1 machine, BTW).

Good luck.

Oct 31, 2021 7:53 AM in response to majortom1967

Just to add, a close look at a lot of these odd named USB docks/hubs one will see that a lot have exactly the same ports in exactly the same position, just with a different case wrapping the same circuit board. Since they are all using the same chipsets and one exhibits an issue, then all the variations will likely see the problem.


Unfortunately, most of the vendors of these hubs have no expertise or even knowledge of what is going on inside and cannot provide any help or firmware updates, if it is even possible with these designs.

Nov 1, 2021 5:50 AM in response to macuser1996ms

I have a M1 MacBook Air with an external Philips276C monitor with Power Delivery. Since update to Monterey, the screen works fine, but there is no power delivery. A senior apple advisor tolt me that the Philips needs a firmware update. Contacted Philips and they said that this isn't possible. Senior Advisor tolt me that this isn't a Apple problem....

Nov 1, 2021 6:54 AM in response to macuser1996ms

I have a similar problem with a DELL K16A dock that used to work fine with my M1 MacBook Air with Big Sur.

After I updated to Monterey, the external display can't find the signal.

The dock has a HDMI, DisplayPort and a MiniDP and none of them work.

The USB-ports and power distribution do work.

I also have an Apple USB&HDMI dock and it work, but there is only one USB-A port in it.

Nov 1, 2021 11:02 AM in response to macuser1996ms

Same problem here. MacBook Pro 2017 Intel. VAVA hub perfectly working with Big Sur as well as the other 3 USB C ports with several peripherals (external SSD's etc.).

With Monterey installed Saturday:

no USB data exchange on hub

no USB C port working with two different peripherals.

I spent Sunday afternoon to happily downgrade back to Big Sur.

Everything is working perfectly again.


Ohhhh Apple .....

Nov 3, 2021 11:35 AM in response to Cochi Loco

I sadly feel like Apple has finally gone to amateur hour. This was a known bug in the Beta version of Monterey and yet they still released this with this major flaw. We don't have time to wait for them to work on this. This is the kind of thing that can render many people near useless.


They have already cut the number of USB-C ports with the newer mac book pro's (M1's specifically). USB-C is already next to impossible to stack multiple items using hubs (unlike USB 3.0). I think 4 were the most USB-C's I could find at the $160 range in the USA and one of them was to power the hub and one to go to the mac, which means you only got 2 ports out of it. Hubs like these are hard to find and very expensive.


So the fact that most of us are dependent on hubs as part of our lives now, why would they release this knowing it is a problem that would cause this much havoc on the users?


So, we now have USB 3.0 ports that have stopped working, many external drives inoperable, and have little to no way to daisy chain enough hubs to function normally. I have never written anything with such frustration about Apple before, but this is was just wrong. This was too big of a problem to let this one slip by and not be upfront about this. I tore my studio up trying to figure this out and then I saw these articles explaining it: https://www.macrumors.com/2021/10/29/monterey-usb-hub-issues-reported/, https://www.imore.com/usb-hub-not-working-macos-monterey-youre-not-alone, https://appleinsider.com/articles/21/10/29/apples-macos-monterey-causes-problems-with-some-usb-devices-hubs


I am for the first time, not happy with the way Apple has handled an issue with their products. And I am a patient person, now without external hard drives, a studio mic for live streams, and the ability to connect simple devices to interact with my 13" M1 2020 MacBook (supposed) Pro.

Nov 3, 2021 1:43 PM in response to Donovan1

Donovan1 wrote:

I sadly feel like Apple has finally gone to amateur hour. This was a known bug in the Beta version of Monterey and yet they still released this with this major flaw. We don't have time to wait for them to work on this. This is the kind of thing that can render many people near useless.

They have already cut the number of USB-C ports with the newer mac book pro's (M1's specifically). USB-C is already next to impossible to stack multiple items using hubs (unlike USB 3.0). I think 4 were the most USB-C's I could find at the $160 range in the USA and one of them was to power the hub and one to go to the mac, which means you only got 2 ports out of it. Hubs like these are hard to find and very expensive.

So the fact that most of us are dependent on hubs as part of our lives now, why would they release this knowing it is a problem that would cause this much havoc on the users?

So, we now have USB 3.0 ports that have stopped working, many external drives inoperable, and have little to no way to daisy chain enough hubs to function normally. I have never written anything with such frustration about Apple before, but this is was just wrong. This was too big of a problem to let this one slip by and not be upfront about this. I tore my studio up trying to figure this out and then I saw these articles explaining it: https://www.macrumors.com/2021/10/29/monterey-usb-hub-issues-reported/, https://www.imore.com/usb-hub-not-working-macos-monterey-youre-not-alone, https://appleinsider.com/articles/21/10/29/apples-macos-monterey-causes-problems-with-some-usb-devices-hubs

I am for the first time, not happy with the way Apple has handled an issue with their products. And I am a patient person, now without external hard drives, a studio mic for live streams, and the ability to connect simple devices to interact with my 13" M1 2020 MacBook (supposed) Pro.

FWIW, I have a Belkin Multimedia Hub connected to my M1 MacBook Air. On on of its USB ports I have an SSD attached. The other USB port, I have a Sabrent 7 port USB 3 hub connected with 2 SSDs and 1 HDD connected to it. The hub alohas power passing to my MacBook Air. All 4 drives are working perfectly well with one being a Time Machine drive which is being accessed every hour. The drives: 2 Samsung 500GB T7, one SSD in a Startech Usb 3 enclosure, a Seagate 500 GB HDD.


So, not all hubs are failing to work and not all drives are failing to be recognized and not all systems are unable to stack hubs.


What hub are you using? Is it one of the zillion look alike or a different wrapper around the same port configurations? Or is it mad by a company that is known for building docks and hubs of literal decades.

Nov 3, 2021 8:12 PM in response to macuser1996ms

I can confirm it is happening in intel MacBook Pro (2018) after update to Monterrey. Looking for an answer is what brought me here. Everything I have attached to that hub is acting up. Ethernet out but old USB receiver for my Wacom tablet is working. Sound is hit or miss. And there have also been unrelated Bluetooth issues. Everything was fine before update.

USB 3.0 Hub Broken on Mac OS Monterey 12.0.1

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