Log out and back in. No driver installation required.
While Mac drivers install easily, there is a known issue with where the COM port disappears after sleep. ic-9700 usb driver
install the driver before connecting the USB cable to the radio. Preparation : Ensure the radio is disconnected from the PC. Run Installer : Extract the downloaded ZIP and run setup64.exe (for 64-bit Windows) or setup32.exe Connection Log out and back in
Windows may be powering down the USB port. ic-9700 usb driver