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If the Volume is not listed, then your Mac won't be able to access the external drive and the option 'Mount' would be grayed out. If the external drive is already mounted, you'll see the option 'Unmount' instead.
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Click on it if it's there and choose Mount. If the USB is listed, check below the Disk Utility for its Volume. Once the program is open, look for the USB whether it's visible there or not. Just open Spotlight by pressing command+space bar and type disk utility and press Enter. Open Disk Utility to see if the USB flash drive is listed there. So rebooting your Mac comes to an straightforward way to see if it was an open program or app stopping your USB being detected. And there are times that you close the program, but it still running in the background. USB flash drive won't show up on Mac issue might also be originated from some open programs. To make it accessible, you can open the Finder and select Preference, and make sure the box next to External disk has been checked. Sometimes your Mac cannot detect USB drive because it's set be unacceptable for external hard drives. Free download MacX MediaTrans to have a try! 3. If you find it on your Mac Finder after you plug in it to you Mac computer with a USB cable, it means it's a matter of USB that Mac not detecting USB drive.Īdditionally, MacX MediaTrans is not only an touchstone of for USB not showing up on Mac in this aspect, it also enables you to mount iPhone as drive to save videos, music, photos, documents, dmg, PDF, or any files so that you are never bothered with seeking for USB drive here and there.
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If you don't have any other USB, MacX MediaTrans helps you use your iPhone as a flash drive. Try another USB to check whether the USB itself makes it not showing up on Mac. Usually your USB cable or port is not working but you don't aware it.
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Check for Basic Errorsīefore you go further to fix USB or external hard drive not showing up on Mac issue, first check that the USB flash drive is properly plugged in. Here we'd like to go into details to attach your USB to MacOS and make it recognized by Macbook Pro/Air, iMac etc. Provided that your USB flash drive not showing up on your Mac computer, there are a great many tips to fix it, namely checking the USB insertion, try another USB drive, checking Mac settings, going disk utility, restarting your Mac and so on. Download for Mac Download for PC How to Fix USB Not Showing Up on Macbook Pro/Air, iMac etc.
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