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Does your Mac not recognize a USB drive? Is the USB flash drive not showing up on Mac after inserting it in the USB port? Find solutions here. Download EaseUS Data Recovery Wizard for Mac when you want to recover data from a USB drive not recognized.
Mac Won't Recognize USB, What Should You Do?
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. 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. Though not a usual thing, the issue of an external hard drive or flash drive not showing up on Mac happens sometimes. What should you do in this circumstance? What are the effective solutions to make your USB drive show up again?
With the release of El Capitan, Apple took the opportunity to give Disk Utility a facelift. You can still use the software to format a startup drive—it's similar to the steps in the previous. Discover the world of external hard drives for Mac. Compare portable, USB and external hard drive models for office and home and shop online. See full list on recoverit.wondershare.com.
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. Take a quick glance at the main content and directly jump to the part you're most interested in.
The hard drive failed in MacBook Pro 9,2 and when trying to format the new drive DiskUtility gives this message: Disk Erase failed, Disk Erase failed with the error: Wiping volume data to prevent future accidental probing failed.
Workable Solutions | Step-by-step Troubleshooting |
---|---|
Fix 1~4. Some basic check and change settings | 1. Change the connection way 2. Change settings for desktop 3. Change settings for Finder 4. Check system information.Full steps |
Fix 5~8. Repair corrupted USB drive | 1. Reset USB ports 2. Repair in Disk Utility 3. Repair with the terminal 4. Reformat USB drive.Full steps |
Fix 9~10. macOS troubleshooting and manual repair | 1. update macOS and firmware 2. Manual repair service.Full steps |
10 Fixes for USB Not Showing Up on Mac
The reasons behind the problem of a USB device not showing up are various, including the USB port is not working, USB drive corruption, virus infection, macOS faulty, etc. So, to figure out the effective solutions for your own case, you need to take time to have some basic check, exclude the irrelevant issues, identify the potential risk, and finally solve it!
- 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.
Fix 1. Change the USB-to-Mac connection way
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. If this operating system restarting fails to solve the current problem, move on to check the physical connectivity issue step by step.
Step 1. Plug the USB drive out from the not working USB port and change to the other USB port. Try all the available USB ports on your Mac.
Step 2. 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.
Step 3. Is there the other Mac computer available to you? If yes, try to connect the USB drive to this computer. Is it showing up normally?
Step 4. For SD card owners, the common way to connect an SD card to a Mac needs a card reader. If changing the USB ports did not work, try to change a card reader for a new round of tests.
The four steps of troubleshooting a USB drive not showing up on Mac are very basic, however, quite helpful in most cases. 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.
Fix 2. Change settings for Mac detecting an external hard disk on the desktop
Occasionally, your Mac has already recognized the USB flash drive but not shown it on the desktop. Thus, you should go to Finder > Preferences > General and make sure the 'External disks' option is ticked. Then you'll see the USB flash drive showing up on Mac desktop.
Fix 3. Change settings for Mac recognize an external hard disk in the Finder
Finder is the other access for us to check a connected external drive on Mac. If 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'. By selecting this option, we can make sure that the connected external USB hard drive or flash drive will normally show up in the Finder.
Fix 4. Check the USB drive in System Information
When 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. Click 'USB' on the left panel, and you can also check the USB flash drive information.
Fix 5. Reset USB ports on Mac to detect a USB drive
Step 1. Restart Mac computer, press the Command +Option+P+R keys until the Apple logo appears.
Step 2. Press Command+Option+Esc keys to close all applications that are not responding.
Step 3. Plug the USB which is not showing up to your Mac computer. If it doesn't show up, click Apple icon and select 'Sleep'.
Step 4. Wake up the computer after a few seconds by pressing any key.
Step 5. 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. Don't give up and try to do some repair by yourself.
Fix 6. Repair USB flash drive with First Aid if it doesn't show up
Step 1. Go to Applications > Utilities > Disk Utility.
- Step 2. Select USB flash drive on the left panel of Disk Utility, and click 'First Aid' at the top toolbar and click 'Run'. Disk Utility will repair any errors on the drive automatically.
Step 3. Select the USB drive and click 'Unmount' at the top toolbar, unplug the USB and plug it back in 10-15 seconds.
Fix 7. Check and fix errors in a not recognized USB with Terminal
Step 1. Open Terminal in Utilities, type:diskutil list and press Return.
Step 2. Find the disk number of your USB flash drive, type: diskutil info disk2 and press Return. (Replace 2 with the disk number of your USB flash drive.)
Step 3. Type: diskutil eject disk 2 and press Return.
Step 4. Type: diskutil list and press Return.When the USB disappear from the Terminal list, close the window.
Step 5. Close Terminal and open Console to inspect your drive errors.
Step 6. Click 'Errors and Faults' to check if there are any errors.
Step 7. Reconnect your USB flash drive back to Mac, if no error shows up, your USB flash drive is safe.
Fix 8. Save data and reformat the not showing USB drive
Disk 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. 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. As long as the data matters, you need to follow the standard procedure to ensure zero data loss. [1] Download EaseUS Data Recovery Wizard for Mac, the professional Mac data recovery software, to perform a full USB drive data recovery. [2] Reformat the USB drive in Disk Utility.
To format the USB drive in Disk Utility:
Step 1. Go to Utilities and open Disk Utility.
Step 2. Select the not showing up USB flash drive in the Disk Utility sidebar.
Step 3. Click Erase on the top.
Step 4. Finish the necessary information (name, format, and scheme) to format the USB flash drive.
Fix 9. Update your macOS and firmware
Did 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. This time, take a close look at the settings whether your Mac is up-to-date. Equally, firmware updates address a variety of hardware issues and the functionality of the USB ports could well be one of them. So, keep your software and firmware up to date will likely make the USB drive show up as normal again.
Fix 10. Send the USB drive to a repair center
Nowadays even the branded USB flash drives are not expensive. 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. The last chance for you to rescue data is to send the broken USB drive to a specialized data recovery service center nearby, and let the professionals try their best. You need to prepare for the manual data recovery cost, which is noticeably higher than the software data recovery. Hence, always try the cost-effective plan of using EaseUS Data Recovery Wizard to scan the USB drive for the first attempt.
Step 1. Correctly connect your USB flash drive to your Mac. Launch EaseUS Data Recovery Wizard for Mac. Start selecting the flash drive and click 'Scan' to let the software search lost files on it.
Step 2. After a quick scan and deep scan, all files will be presented in the left panel in the scan results.
Step 3. Select files you want to recover and click the 'Recover Now' button. Don't save the recoverable files to the USB drive itself in case of data overwriting.
Sep 27,2020 • Filed to: Hard Drive Recovery • Proven solutions
'How to format an external hard drive Mac? What format system to use when reformatting my storage drive for a Mac?'
This is a frequent question asked by first-time, as well as the not-so-tech-savvy, macOS users. Learning how to format an external hard drive Mac is essential. Because saving all your data on the Cloud is nice and all, but physical storage is still popular. Especially if you don't have a stable internet connection or if most of your files are large.
Luckily, you don't have to learn rocket science to be able to format an external hard drive for Mac Software protection mac. or PC. The operation is pretty straightforward. When it comes to your iOS device, we have listed two methods for you, read below and explore more.
Part 1: What Is the Best Format for External Hard Drive Mac?
The first step to formatting your external drive for a Mac computer is choosing the right format. There are four possible choices:
- APFS (Apple File System)
- HFS+ (Mac OS Extended)
- exFAT (Extended File Allocation Table)
- FAT (MS-DOS)
To understand which is the best for you, let's have a comprehensive overview of each of them.
1. Apple File System
The APFS was first introduced in 2017 as a replacement for the HFS+. Nowadays, all new Macs come with the operating system preinstalled on APFS, as this system is optimized for use with SSD and flash storage drives. However, it still works with traditional HDD drives too.
This is the best format to pick if you have an external SSD or USB flash drive that you don't intend to use with a Windows device.
The biggest strength of this system is the speed, as well as the encryption and metadata handling. However, you won't be able to use this system with Time Machine.
2. Mac OS Extended
The HFS+, or Hierarchical File System plus on its real name, was the main file system used for Mac until 2017.
This type of file system is suitable to use with both HDD and SDD drives, but the latter will perform slightly better with the APFS mentioned above. If you have an older Mac, though, choosing the HFS+ is your best bet.
In general, all external drives formatted to HFS+ work nicely with older Mac versions but are incompatible with Windows.
3. Extended File Allocation Table
Designed by Microsoft, the exFAT is a good choice if you plan to use the external hard drive with both macOS and Windows systems. Yet, you won't get top performance on either. This choice is more appropriate for USB flash drives, although you can still use it for SDD and HDD units too.
https://gooterra796.weebly.com/black-beard-bounty.html. The main issue with exFAT is that your drive will be more prone to fragmentation when used with Apple devices and is less stable than NTFS on Windows. If you really have to share the drive between Mac and Windows machines, that's your best option though.
4. MS-DOS
Macs also support FAT32 drives, marked as FAT in Disk Utility. This format should be avoided at all costs unless you're dealing with a really old Windows computer, which you really have to use in parallel with your Mac system.
Typically, there is no reason to choose this option unless you're planning to use the external hard drive on a Windows XP or earlier machine.
Part 2: How to Format an External Hard Drive Mac?
Now that you know which format to choose, it's time to learn how to format an external hard drive for Mac. There are essentially two methods, with Disk Utility or Time Machine function.
Note: If you plan to format an older external drive, perhaps one you used with another device, make sure to backup all data before proceeding. Formatting is a permanent procedure that can't be reversed. While there are data recovery software you can use if you lost data, it is always better to prevent.
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That said, here's how to format an external hard drive Mac:
Method 1: Format Mac Hard Drive with Disk Utility
Disk Utility is a utility application proprietary to macOS that is used to both format and manage internal and external disks. Here's how to use it:
Step 1 Connect the external hard drive you want to format to your Mac, then start the Disk Utility app that you can find under Applications -> Utilities.
Step 2 On the left side of the Utilities screen, find the name of the external hard drive you want to format and select it. Then, on the top side under the Disk Utility, click on the Erase button.
Step 3 Follow the on-screen prompts to select the desired file system and allow the drive to format. That's it! After the process is complete, you can either start using the drive or choose to create partitions on it.
Method 2: Format Mac Hard Drive with Time Machine
Formatting an external hard drive with Time Machine is as easy as formatting it with Disk Utility. Time Machine, however, gives you the possibility to create an automatic backup of the data on your hard drive before formatting it. Acpc apple tv.
Before you proceed, therefore, you should first set up the external drive to use with Time Machine. To do this, open System Preferences and select Time Machine after you've connected the external drive to your Mac.
Now, click on Select Disk and select the desired drive from the list. Click on the Use Disk button. At this point, the system will run an automatic backup two minutes after you've clicked on the Use Disk button, or you can proceed with the formatting if the hard disk is empty.
To format an external hard drive for Mac with Time Machine, you must follow the steps below.
Step 1 Open Finder, Applications, then go to Utilities and Disk Utility.
Step 2 Follow the steps above to format the drive, and then you can use it with Time Machine on your Mac system.
Part 3: Bonus Tip – Data Recovery from Formatted Hard Drive on Mac
Sometimes, it may happen that you accidentally formatted an external hard drive containing important data. Whether it's your wedding pictures or your bachelor's degree thesis, chances are you want to get that data back as quickly as possible.
If you have a newer version of Mac, you can use the Apple Time Machine to recover your canceled files, or you could choose to use external software, such as Recoverit Data Recovery.
1. Recover Data with Apple Time Machine
In the former hypothesis, you can try to recover your data with the Time Machine. This app is Apple's backup feature present on the newer systems. If you followed the steps above before formatting the hard drive with Time Machine and allowed the app to execute the backup, then there are high chances that you can recover any lost data without too much hassle.
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To do so, just launch the Time Machine and browse through the folders to see if it has saved the files you require.
For easier browsing, you can use the time stamp feature on the right side of the screen and select the date or time when you executed the backup. Once you found the files, simply click on Restore to get them back.
2. Recover Data with Recoverit Data Recovery
If you didn't use the Time Machine function or couldn't find the files you need, you can try to recover any lost files with trusted third-party software, such as Recoverit - Data Recovery.
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Recoverit (IS)
A Life Saver to Solve Your Data Loss Problems!
- It allows you to recover unlimited lost or deleted files from your Mac device, including photo, video, and audio data, document files, and more.
- It supports all types of Mac files irrespective of their extension.
- Compatible with both internal and external drives, USB pens, memory cards, and other hardware, so you can rest assured it will retrieve your data if it's there.
- Retrieve data from accidentally deleted files, lost or formatted partitions, data lost due to virus attacks, system crashes, or data lost by the Time Machine.
- It is free to download and supports all leading macOS versions, including the 10.14 release.
This system is also very easy to use, in just three easy steps:
Step 1Install the application and choose the desired location
Download and install the software on your Mac computer, then open it and select the external hard drive, partition, or location where you want to retrieve data.
Step 2Start the scan to retrieve your lost data
Click the Start button. The software will now scan the selected drive and display all retrieved data in an easy-to-scour list.
Step 3 Preview the recovered files and save them in your chosen location Slingo online free classic.
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Review and select the target files, then launch the recovery process. That's it. The software will restore your lost data.
Conclusion
As you can see, how to format an external hard drive Mac is not particularly complicated. The Disk Utility allows you to format the desired drive to the desired system in a blink of an eye. Backing up the data on your drive with Time Machine also allows you to avoid the recovery hassle. If you still lost some data, you even know which software to use to recover all lost files.
Now it's your turn. Use this guide to format your unreadable external drive, download, and use the data recovery software if needed, and don't forget to share this article with your Mac-addicted friends. They might make good use of it too.