I attached the hub to USB & ThunderBolt 4 port. Due to my M1 iMac cannot charged with PD, USB controller closes this port I think. After connecting the hub to USB-C 3.2 port, USB-C port on the hub is started working. This is not an issue, it causes from misunderstanding how the iMac ports behave. Issue is resolved now.
berkbb
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
From
Ankara, Ankara, Türkiye
Post
Replies
Boosts
Views
Activity
Herkese merhaba,
I’m using macOS Monterey 12.0.1 with Apple Silicon M1 iMac 24".
I bought Hama USB-C Hub, Multiport, 5 Ports, 2 x USB-A, USB-C, HDMI™, LAN/Ethernet (GTIN: 4047443436818) from Turkey at last month. As I read on both technical specifications and user manual, the USB-C port on device is bi- directional; it both supports PD and data transfer.
I tested this functionality both Windows 10 & 11 and macOS with M1 (Apple Silicon) chip. On Windows , the port works bi-directional perfectly. However, Apple Silicon device not support data transfer from port, supports only power delivery. If I connect a USB-C device from mac port directly, it runs perfectly.
I found this solution: " realized that I attached the hub to USB & ThunderBolt 4 port. Due to my M1 iMac cannot charged with PD, USB controller closes this port I think. After connecting the hub to USB-C 3.2 port, USB-C port on the hub was started working. This is not an issue, it causes from misunderstanding how the iMac ports behave."