The occurrence of these errors might indicate that your flash drive has gotten corrupt and sooner or later you might lose access to the data saved in it. However, these issues can arise in various versions of both Windows and Mac systems. 4 Proven ways to fix flash drive not showing up on Windows.7 Sure-shot ways to fix USB not recognized on Mac.

Try First Aid Methods to verify the cause of the problem.These errors generally appear when an external device is connected to the computer but the operating system is unable to recognize or read it. Why is my USB not Showing up on Windows or Mac systems? Let’s have a quick look at why this error occurs. in this article, we will discuss how to fix the USB not recognised by Mac or Windows.īut before we start talking about ways to resolve this issue. There might be chances that your device drivers are outdated or there might be connectivity issues with your USB drive, etc. Yes, you might have encountered a similar issue. The drive lights up when I put it in the USB port, but it doesn't trigger that little sound you get when you insert a drive. Windows does not recognize the drive at all, and I don't even see it in Device Manager of Disk Management, which usually resolves this problem. Formatting it does not solve the problem. Fortunately, we have tried and tested various ways to resolve USB flash drives not recognized on Windows and Mac error.Īfter using my 128-GB Sandisk flash drive to put files back on my Mac, my Windows computer no longer recognizes it, but the Mac can still recognize it and all the data. The occurrence of errors like these and others can give us stressful days and sleepless nights. 'The device you connected to this computer malfunctioned, and Windows does not recognize it.'.For assistance in solving this problem, click this message.' “One of the USB devices attached to this computer has malfunctioned and Windows does not recognize it.Instead, when I want exFAT format I use a Windows machine. These days, I avoid doing it if at all possible. I've encountered similar issues with USB flash drives formatted as exFAT under macOS (several versions). You can likely reformat the flawed exFAT partition from Drive Manager to fix the problem. You'll likely see the flawed exFAT partition as well as the EFI. You need to launch Windows' Drive Manager (right click on the Windows icon on the Taskbar for the menu option) and look at what partitions exist on the thumb drive in question. There is also a small EFI partition on the drive that Windows is recognizing. I suspect that there is a flaw in the exFAT partition that prevents Windows from using it. What you format is one of the partitions on that drive.Ģ - the window in your screen shot DOES NOT show the drive, but instead shows the partitions on that drive that are formatted properly and with a format that the OS can work with. 1 - you can't actually format a drive (HD, SSD, USB Flash, Memory Card.

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