It is quite reasonable for various electronic components of any system to lose its integrity over time.

Part 2: How to fix Mac not recognizing USB Device Operating system related issue: If you are not regularly updating your Mac OS, it may affect your system's ability to recognize Flash drives.Hard Drive Related issue: A minor glitch on your system's hard drives can result in Mac not detecting USB.Driver Issue: Outdated or corrupted Flash drive could lead to USB drive not showing up on Mac.USB Formatting issue: If the Flash drive wasn't formatted before the first use, it could lead to a USB detection problem later.If it briefly connects with the system, you will be aware that the problem lies with the cable or the port. But how to find a USB on Mac in such cases? Just gently wiggle the connection of the port. Port Related Issue: A loose or broken port connection might be leading to the situation.Here is the list of possible factors that might be leading to the glitch. There are numerous reasons could be responsible that your USB Flash drive is not showing up on Mac. The cause of Flash Drive not showing up on Mac If you don't see a message, it means that Mac is not reading USB.Ģ. 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.

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