When you connect a USB Flash drive to a system, a message pops on the Finder. All Macintosh operating systems are equipped with a default file manager and graphical user interface, named Finder.If you don't get the notification, it could be a sign of possible of your Mac not recognizing USB device.

When you plug-in a Flash drive, you get a notification about the connection on your system.It is an obvious confusion because you don't know the actual source of the problem.īut few signs directly imply that USB not showing up on Mac. You might check some internal settings, scan hardware setup, and examine the situation from every possible angle. It includes if your USB Flash is perfectly attached to the system or not. When you face such a situation where USB won't show up on Mac, you must check all your connections first. Symptoms of Mac not recognizing USB Drive So let's have a look at all the signs that indicate that your MacBook Pro not recognizing USB drive. While the reasons could be many, but first, it is essential that you rightly assess the situation. But when you plug it in, your Mac doesn't recognize USB.

You might have come across a situation where your friend has sent you photos on a Flash drive. Part 1: Why Mac doesn't recognize the USB drive Part 4: How to Prevent Flash Drive not showing up on Mac.Part 3: How to Access Flash Drive data after detecting USB.Part 2: How to fix Mac not recognizing USB Device.Part 1: Why Mac doesn't recognize the USB drive.It is also widely supported by memory storage technology companies and third-party operating systems like OS X and Linux. Microsoft introduced exFAT in 2006 it’s an optimized version of FAT, providing better performance advantages over FAT32. Now you’ll be able to save and copy files to your thumb drive on both Windows and OS X. In the Format list box, select ExFAT, enter a Volume Label if you want, then click Erase. Select your thumb drive in the Disk Utility window, then click the Erase tab. Launch Disk Utility press Command+Space then type: disk utility.

If you only use a Mac computer, you can format your thumb drive to work on Windows systems.Ĭonnect the thumb drive to your Mac. In the File System list box, choose exFAT, type in a Volume Label if you want, and then click Start.Ĭlick OK to the format warning and wait until the process is complete. Right-click your flash drive and then select Format. Prepare a Thumb Drive for Both Windows and OS X or macOS Before you start, though, make sure your thumb drive is formatted so it can work on both Windows and macOS. If you’re working in a mixed environment, where you might need to work on files between both systems, a handy solution is to use a thumb drive. This makes it difficult to move data between the two unless you have them networked together.

MacOS uses the HFS+ file system, while Windows uses the NTFS file system that shares little in common.

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