After Sonoma 14.4 update USB hub not working on MacBook

I experienced the same issue on my 2019 Intel MacBook Pro. After updating to Sonoma 14.4.1, my monitors stopped working, the charger wasn't recognized, and the battery was draining rapidly. I solved the problem by resetting the SMC: link to Apple Support.

Hi all!

I suspect this is related to my issue, where a USB-C connected display is dropped every few minutes, and then connected again within a few seconds. It seemed to work fine on 14.4.

I hypothesise that a quick fix for the issues discussed here, implemented by Apple, did something to 14.4.1 that makes USB do something bad periodically.

Using Console and filtering on USB, I see "setNominalSIgnallingFrequencies()" suddenly, followed by "hardware connection lost". This with absolutely no change of the physical connections.

This display works perfectly using HDMI via a cheap USB-C to HDMI hub, incidentally.

Tricky stuff to fault-find, for sure!

hi I have my MacBook Pro 2023 M2 Max updated to 14.5 and still didn't solve anything regarding the ports. It's frustrating, because it reads my external hardrive but it wouldn't read any dj controller or any extended hubs. Even if I put it on allow or ask for allow. I deleted the os then reinstall the os,

down grade the os updated it back again,

and still nothing seems to work! A lot of money spent on this laptop and i can't even use it to do my dj jobs. I never had this issue before Sonoma 14.4 came out I know my ports working just dose not connect to any dj controllers this is sad Apple.

Reddit thread with lots of folks reporting more of the same: https://www.reddit.com/r/MacOS/comments/1b9volo/usb_hub_on_monitor_no_longer_working_on_macbook/

I've just updated to 14.4. Same issue

USB ports from my 2 DELL U2720Q monitors are not recognized anymore.

MBP14 2023

Seems it was the hardware that cause issues with USB-C connection.

Same problem on a Windows laptop using USB-C to that particular display.

I have the same problem. My macbook pro (m2) does not recognize my keyboard connected to the usb hub on my monitor after upgrading to 14.4. I'm pretty sure that nothing is wrong with the keyboard, the monitor or the usb cable because everything is fine with another windows laptop. So please fix this!!!

The same issue with MBP M2Max & Philips monitor. While display itself works, it's built-in usb hub doesn't. Not showing in System information, not connecting any devices, not asking for permission. Tried all suggestions, none helps.

Having the same issue, but with the 2020 11” iPad Pro with the USB-C port. After the 17.3 iPadOS update, the iPad will no longer charge. I went as far as buying a genuine Apple charger and cable from the Apple store - no change.

I can connect the iPad Pro to my MacBook Pro M1, which I HAVE NOT updated, and the iPad will charge plugged into the MacBook Pro.

Thanks for the heads up! I will not update to Sonoma 14.4. They definitely broke something!

I don't lose full access, but since the update my Dell U2723QE monitor hub has been constantly flaking out on me, disconnecting the webcam and keyboard. Most often when waking from sleep the keyboard has lost connection, but I've had the camera flicker every few meetings or so and everything was fine before that.

Is anyone else seeing that their devices don't show up under an 'lsusb'? I have two external hard drives(both attached to the same hub). One drive always shows up(80% it's one drive vs the other). When the other drive does not show up, you cannot see it with an 'lsusb'.

I have a 1.5TB microSD card in a flush-mounted adapter always attached to my M3 Max MacBook Pro for extra storage. After the 14.4 update I got a message, "Drive ejected improperly," after the reboot. Since then the microSD card is not detected by the OS. The card works fine in a Caldigit TS4 reader.

The Apple diagnostic for my machine reports that the in-built SD card reader is working fine.

I have the issue with M1 Pro Max (16" MBP) and Dell P2418HT. The only reason I have the Dell P2418HT is for the touchscreen which worked find w/ UPDD drivers... until Sonoma. Very frustrating that (1) Apple won't make a giant touchscreen, and (2) macOS constantly breaks other devices.

I have a Mac Air on Sonoma 14.4 and have this problem . I am not finding that setting

System Settings->Privacy&Security->Allow accessories to connect->Ask every time

Anyone know the Air equivilant?

My case is slightly different. Since Sonoma 14.4 my Mac Studio not booting up if any external SSD directly (not through USB hub) connected to it.

My HDDs, connected to USB Hub permanently going ON and OFF with no stopping. I have physically disconnected all my HDDs to avoid any damage.

What an update! :(