The USB 3.1 Bus not working

I'm using MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports). After updating to MacOS Ventura, I found that one of the USB ports (the port that is closer to the user) is not working properly other than using it as a charging port. Please help!


MacBook Pro (2017 – 2020)

Posted on Sep 12, 2023 1:20 AM

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Question marked as Best reply

Posted on Sep 12, 2023 8:41 AM

QuânVõ3005 wrote:

I'm using MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports). After updating to MacOS Ventura, I found that one of the USB ports (the port that is closer to the user) is not working properly other than using it as a charging port. Please help!


On an Intel Mac....


Port definition is re-defined on each reboot. Try shutting down and rebooting.


no change—

resetting NVRAM/PRAM Reset NVRAM on your Mac - Apple Support


Still no change, use the configurator—

Revive or restore an Intel-based Mac using Apple Configurator - Apple Support


or contact Apple


Make an appointment for a "hardware issue"

Genius Bar Reservation and Apple Support Options - Apple


Outside the USA

Contact Apple for support and service - Apple Support


Call Customer Support (800) MY–APPLE (800–692–7753)

or on line https://getsupport.apple.com/



Outside the USA—Contact Apple for support and service by phone

See a list of Apple phone numbers around the world.

Contact Apple for support and service - Apple Support






1 reply
Question marked as Best reply

Sep 12, 2023 8:41 AM in response to QuânVõ3005

QuânVõ3005 wrote:

I'm using MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports). After updating to MacOS Ventura, I found that one of the USB ports (the port that is closer to the user) is not working properly other than using it as a charging port. Please help!


On an Intel Mac....


Port definition is re-defined on each reboot. Try shutting down and rebooting.


no change—

resetting NVRAM/PRAM Reset NVRAM on your Mac - Apple Support


Still no change, use the configurator—

Revive or restore an Intel-based Mac using Apple Configurator - Apple Support


or contact Apple


Make an appointment for a "hardware issue"

Genius Bar Reservation and Apple Support Options - Apple


Outside the USA

Contact Apple for support and service - Apple Support


Call Customer Support (800) MY–APPLE (800–692–7753)

or on line https://getsupport.apple.com/



Outside the USA—Contact Apple for support and service by phone

See a list of Apple phone numbers around the world.

Contact Apple for support and service - Apple Support






The USB 3.1 Bus not working

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