Change settings for Mac detecting an external hard disk on the desktop Each step can help us exclude the issues of a bad/loose connection, a not working USB port, a lack of power, and other superficial phenomenons. The four steps of troubleshooting a USB drive not showing up on Mac are very basic, however, quite helpful in most cases. If changing the USB ports did not work, try to change a card reader for a new round of tests. For SD card owners, the common way to connect an SD card to a Mac needs a card reader.
Is there the other Mac computer available to you? If yes, try to connect the USB drive to this computer. Did you use a USB connection cable or a USB-C adapter? If yes, take the USB drive out, and directly plug it in the USB port. Try all the available USB ports on your Mac. Plug the USB drive out from the not working USB port and change to the other USB port. If this operating system restarting fails to solve the current problem, move on to check the physical connectivity issue step by step.
Have you tried to restart your Mac once or twice? Before taking further measures, don't forget the most efficient way to tackle commonplace hardware glitches that arises from time to time. Important As losing the access to data is the most direct impact of Mac not detecting a USB drive, you might need to perform USB data recovery on Mac. Take a quick glance at the main content and directly jump to the part you're most interested in. This page basically covers all the possible fixes for USB not showing up on Mac, which also applies to the similar issues of other storage devices like an external hard drive not showing up on Mac, flash drive not showing up on Mac, SD card not showing up on Mac, etc. What should you do in this circumstance? What are the effective solutions to make your USB drive show up again? Though not a usual thing, the issue of an external hard drive or flash drive not showing up on Mac happens sometimes. Did you come across the situation that no matter how many times you try to connect the USB drive with a Mac computer, the USB drive is not showing up anywhere? Why this time Mac won't recognize a connected USB you may wonder. Mac Won't Recognize USB, What Should You Do?Ĭommonly, when you insert a USB drive in the USB port on a Mac computer, the drive will soon appear on the desktop or hide in the Finder, letting you access, view, and manage data on it.
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