Finally another post on the Sequoia update!
I'm running on a DK31C3HDPD startech adapter, and updating to Sequoia made my M2 MBP 8GB not detect the whole dock anymore.
It'd show the 'allow this accessory to connect' but that message would disappear in 1s before you have time to click 'Allow' (not that clicking it fast enough did anything either)
Your suggestion worked! I didn't expect power cycling to help at all but lo and behold it's working again! thank you for updating your post with the solution!
In your case, performing a power cycle on your dock likely helped reset its internal hardware or firmware, allowing the USB ports to function again as intended.
To Power Cycle, here’s how I did it:
1. Unplugged all connected devices (USB, display, etc.) from the dock.
2. Disconnected the Mac from the power source
3. Wait about 10–15 seconds.
4. Reconnect the dock to the power, and then to the Mac.
5. Connect the display cables back to the dock and test to see if it now works
TYSM again!!
(I also updated the displaylink manager to 1.11 before the above, unsure if it played a role in fixing it tho!
https://www.synaptics.com/products/d...ownloads/macos)