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.

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