Click on the Apple in the upper left corner of the screen. When your USB flash drive is not readable by your Mac, especially after a recent macOS Big Sur update or you haven't updated the macOS for years, you should check if any updates are available please do the following: Solution 2: Update or reinstall the driver Try using a different USB cable with the USB drive to see if that fixes the non-readable problem. If you use a USB hub bacause your MacBook has no USB 3.0 port, also make sure the hub is not faulty. Plug into a different USB port or plug another device in and see if that works OK. Find a USB repair technician near youĬheck that USB port on your Mac. Repair the unreadable USB flash drive with First Aid Here are 6 methods to fix your unreadable USB thumb drive and make it working on your Apple Mac again. How to fix unreadable USB flash drive on Mac? However, a very distressing situation happens, just as the user above, is that the USB is not readable on Mac.
Generally, when you insert in the USB pen drive, it will be mounted in Disk Utility and on Desktop for data access. How can I fix the unreadable USB on Mac and recover lost data?'
I do not want to initialize it as this will result in loss of my data. 'I have a 32 GB USB which has suddenly come up with a message stating the USB flash drive is not readable by this computer (Apple MacBook Pro).
