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).