Feb 2, 2015 - In addition to system_profiler SPUSBDataType (suggested by @kjs), you can also use ioreg -p IOUSB: $ ioreg -p IOUSB +-o Root. May 18, 2018 - After examining the USB ports on the computer, you can check the device manager. Double-clicking it will expand and show all the USB devices and drivers. Press and hold ⌘ Command + ⌥ Option + P + R immediately.
Hardware Drivers in OS X are typically in the form of Kernel Extensions and the primary location is /System/Library/Extensions/ however they can also be within an Application Bundle. You can use kextunload to unload a Kernel extension. To see what Kernel extensions are loaded use the kextstat command in a Terminal. Have a look at the manual page and also the Unloading a Kernel Extension with kextunload section in, excerpt show below.
Unloading a Kernel Extension with kextunload Unloading a kernel extension from OS X is basically the exact same as loading a kext, except you’ll use the kextunload utility with sudo as follows: sudo kextunload -b com.apple.driver.ExampleBundle Or by pointing directly to the kernel extensions path: sudo kextunload /System/Library/Extensions/ThirdPartyMystery.kext Again, you can confirm the kernel extension has been unloaded by using kextstat and grep, where it should return nothing.
![Drivers Drivers](/uploads/1/2/5/4/125400663/859448754.png)
IOFireWireSerialBusProtocolTransport.KEXT Both file you have to delete from there, Before that must copy that file and keep files on another place as a backup use. Note: Files you have to move in to trash and also clear trash. Once you are done, Reboot your Mac by simply restart it.
![For For](/uploads/1/2/5/4/125400663/388419052.png)
And test once USB drive is detecting or not. Alternate Way: Block or Disable USB port on Ma c Run below three common command from the terminal, To open terminal, Search easily from spotlight search by type “Terminal”. CP /System/Library/Extensions/IOUSBMassstorageClass.kext /backup/ Sudo srm -rf /System/Library/Extensions/IOUSBMassStorageClass.kext Sudo touch /Sytem/Library/Extensions After successfully run, Restart your Mac and Test once. Here I experienced on Mac OS X EI Capitan and Yosemite by Disable USB Port on Mac.
Make sure it’s working on older version, I am not sure. Most probably works if I believe.