Start up your computer in macOS Recovery: On a Mac with Apple silicon: Choose Apple menu > Shut Down, press and hold the power button until you see Loading startup options, select Options, click Continue, then follow the onscreen instructions.Commonly, 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. Your business what it needs to thrive and goes to work right out of the box.Mac Won't Recognize USB, What Should You Do?If you’re reinstalling on a Mac notebook computer, plug in the power adapter. In many cases, Disk Drill can read your device even if it is failing, unreadable, or has lost a partition.Mac users may unknowingly make trade-offs when it comes to their computers. Free Disk Drill can scan and recover data from virtually any storage device including internal Macintosh hard drives, external hard drives, cameras, iPhones, iPads, iPods, Android devices, USB flash drives, Kindles, and memory cards.
![]() Dr Cleaner Does Not Owrk On Free Disk DrillIf your flash drive or external hard drive is not showing up there, go to Finder > Preferences > Sidebar, and under Locations, you need to tick the option "External disks". Change settings for Mac recognize an external hard disk in the FinderFinder is the other access for us to check a connected external drive on Mac. Then you'll see the USB flash drive showing up on Mac desktop.Fix 3. Thus, you should go to Finder > Preferences > General and make sure the "External disks" option is ticked. Change settings for Mac detecting an external hard disk on the desktopOccasionally, your Mac has already recognized the USB flash drive but not shown it on the desktop. Best free word processing program for macPress Command+Option+Esc keys to close all applications that are not responding.Step 3. Restart Mac computer, press the Command +Option+P+R keys until the Apple logo appears.Step 2. Reset USB ports on Mac to detect a USB driveStep 1. Click "USB" on the left panel, and you can also check the USB flash drive information.Fix 5. Check the USB drive in System InformationWhen you cannot find the USB drive on the desktop or in the Finder, try to look for it in the System Information section, which is usually a hidden place for average Mac users.Step 1. Go to Applications > Utilities > System Information.Step 2. Check if the system detects the USB drive. Repair USB flash drive with First Aid if it doesn't show upStep 1. Don't give up and try to do some repair by yourself. Shut down the Mac, unplug the power cord, reattach it after 15 seconds.If this doesn't work, we should suspect the corruption issue at this moment. Wake up the computer after a few seconds by pressing any key.Step 5. If it doesn't show up, click Apple icon and select "Sleep".Step 4. Select the USB drive and click "Unmount" at the top toolbar, unplug the USB and plug it back in 10-15 seconds.Fix 7. Disk Utility will repair any errors on the drive automatically.Step 3. Select USB flash drive on the left panel of Disk Utility, and click "First Aid" at the top toolbar and click "Run". Close Terminal and open Console to inspect your drive errors.Step 6. Type: diskutil list and press Return.When the USB disappear from the Terminal list, close the window.Step 5. (Replace 2 with the disk number of your USB flash drive.)Step 3. Type: diskutil eject disk 2 and press Return.Step 4. Find the disk number of your USB flash drive, type: diskutil info disk2 and press Return. Open Terminal in Utilities, type: diskutil list and press Return.Step 2. As long as the data matters, you need to follow the standard procedure to ensure zero data loss. USB drive showing empty makes no sense, so you have to reformat the disk and make it usable again.Note that reformatting will erase data. Save data and reformat the not showing USB driveDisk reformatting basically solves many hard drive issues, including the not showing up USB, particularly the time when you are able to see the USB icon but files are not showing. Reconnect your USB flash drive back to Mac, if no error shows up, your USB flash drive is safe. ![]() If you've tried all the suggested troubleshooting methods, the USB drive is still not showing up on Mac, you have to accept the truth that it's severely damaged and beyond your ability to repair it.Mac won't recognize a badly damaged flash drive or external hard drive since there is no way to show it up, even temporarily, which makes the data recovery difficult. Send the USB drive to a repair centerNowadays even the branded USB flash drives are not expensive. So, keep your software and firmware up to date will likely make the USB drive show up as normal again.Fix 10. Equally, firmware updates address a variety of hardware issues and the functionality of the USB ports could well be one of them. This time, take a close look at the settings whether your Mac is up-to-date. Update your macOS and firmwareDid your Mac's OS keep updating all the time? Chances are that your Mac won't recognize a USB drive, especially after a macOS update. Hence, always try the cost-effective plan of using EaseUS Data Recovery Wizard to scan the USB drive for the first attempt. You need to prepare for the manual data recovery cost, which is noticeably higher than the software data recovery.
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