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1. #How to repair an unreadable usb flash drive mac os how to#
2. #How to repair an unreadable usb flash drive mac os mac os x#

When you end the using of the drive, click Eject to disconnect it. Also, you can copy all the data from the drive to the Mac. Step 4: Check your USB disk on Mac desktop and open it to get the data. After that, you can click Mount button to make the drive readable on Mac.

#How to repair an unreadable usb flash drive mac os mac os x#

Note that this article covers versions of Mac OS X Prior to Lion (Mac OS X 10.7). It depends on what you get from the USB owner. Any data you have on the flash drive will be erased during the process, so back up anything on there that’s important to you. You’ll need the original installation disc, a working DVD drive, and a flash drive with a minimum of 8GB of storage capacity for Snow Leopard (or 9GB if using Leopard, since it calculates file sizes differently). The process of creating a flash drive system installer is simple. We found the install time decreased by 33 percent when using the flash drive method. You’ll get an installer that won’t scratch, is easier to transport, and considerably faster than an optical disc. Instead of simply copying the system installer to another disc, you can create a USB flash drive installer similar to the one provided with the latest MacBook Air.

It takes 4 steps to get back files from a USB drive with the FonePaw utility.

#How to repair an unreadable usb flash drive mac os how to#

But what do you do if you misplace the DVD, or it becomes unreadable, or worse-your SuperDrive isn’t working? Having a backup of your system installer disc could save your bacon. Learn about the best USB repair tool for Windows and Mac and how to use it to fix a USB flash drive that is corrupted, damaged, and unrecognized. If you’ve ever had to reinstall OS X, chances are you’ve used the Apple-provided system installer disc that came with the Mac.