the device could not found
my iPad 9th gen to imac does not connect why, while connect it show the device could not be found.
If you iPad is not recognised when connected to your computer, try using a different USB port; if your computer has both USB-C and USB Type-A ports, try using the USB Type-A port of the computer.
If difficulties persist, this support page may help with troubleshooting:
If your computer doesn't recognize your iPhone or iPad - Apple Support