Oct 14,2019 • Filed to: Answer Hard Drive Problems • Proven solutions
Why is External Hard Drive Not Showing Up on My Computer?
Discover the world of external hard drives for Mac. Compare portable, USB and external hard drive models for office and home and shop online. If you want to make use of your Mac's Thunderbolt port, then this is a great option, as it provides twice the speeds of standard USB 3.0 drives. It still uses a traditional hard drive, rather than. Connect your hard drive and follow these instructions: Go to System Preferences Disk Utility. Check that the external disk is listed in the left sidebar. Highlight your hard drive and select Mount. It should now appear under devices in the Finder. If the hard drive still isn’t playing ball, the next step is First Aid. Mac users need to sync an external hard drive with their computer to use Time Machine, Apple's built-in file backup system. Shoppers can find and choose the right Mac hard drive by thinking about storage and portability needs. To figure out what size hard drive you should buy, think about how much. Other Considerations. Drives intended for PCs sometimes come bundled with software that will automatically back up your files to the drive when it's connected, but such software isn't really a consideration for Mac users, who already have an excellent built-in backup option in the form of Time Machine.
While the external hard drive connected to the Windows computer or Mac, and the device did not show up. How to fix external hard drive not recognized? Don't worry, the next guide we will show you the best solution to fix the hard drive not recognized problem.
This problem will cause by some partition issues: the external hard drive partition got damaged, the file system got crashed, the drive issue in Windows computer or the dead USB ports. You can try the hard drive to another computer or connect it with other USB ports. If it all not get working, you can follow the next solution to fix the external hard drive not recognized on Windows computer and Mac, and you can recover lost data from external hard drive with Recoverit Data Recovery.
Part 1. How to Fix External Hard Drive Not Recognized on Windows
In windows, this problem can be because of partition issues, dead USB ports, driver windows conflicts, file system, dead or outdated drivers. Here are the steps you can follow to fix this issue in case of USB flash or external hard drives:
Step 1You might be plugging in the USB cable in a dead USB port. Unplug your external hard drive and plug in it in some other USB port. Now, see if it is present there in the My Computer window. If not, follow the step 2.
Step 2Now, look for the external drive in the Disk Management Window. For this, click start and then click run or press windows key + r, press enter after typing diskmgmt.msc in the run dialog. This will open the Disk Management Window. Now, look for the external disk in this window. In this window, you can find your drive even if it is not recognized because of no partition. If you cannot find the drive in the Disk Management window then you can go for step four.
Step 3If it is not recognized by plugging in some other port or it is not visible in the Disk Management Window, then there might be some issue with the external drive. Check it in some other computer. Now, follow step 1 to step 3 in that computer in case the external drive is not recognized. If the problem exists with other computer also then something is wrong with the drive, otherwise follow step 5:
Step 4If it is working in some other system but not in yours, Windows is having some problem with the drivers. To diagnose a driver problem, open the run dialog by pressing Windows + r and type 'devmgmt.msc'? Now press enter. Expand Disk Drives and look for a device having yellow exclamation mark. This yellow exclamation mark indicates a problematic driver. Now, right click on that device and read the error message after selecting properties. This issue can resolve in following two ways:
- Click on update driver button for installing updated drivers.
- Uninstall the driver and restart your computer. After restarting, the Windows will automatically reinstall and reconfigure the driver.
Now, plug in the external drive again or follow the step 6 if the drive is still not recognized.
Step 5Problem in partitioning and formatting can also be a cause of this issue. Partitioning and file system issues can be fixed by using Windows Disk Management tools. To create a new partition, right click inside the unallocated space and select New Simple Volume. You can create a new partition by following onscreen instructions. Sometimes, your drive is formatted with the ext4 file system of Linux, NTFS file system, HFS Plus file system or FAT32 file system which is not recognized by your Windows. Reformatting of the drive can resolve this issue. For this, right click on the partition, select format and then select the file system. Here, it is important to know that all files in drive will be deleted. Therefore, copy your files in some other system before proceeding.
Video Tutorial on How to Fix External Hard Drive Not Showing Up
Part 2. How to Fix External Hard Drive Not Recognized on Mac
Like Windows, Mac also detects an external drive automatically. If it doesn't, follow these steps:
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Step 1 First of all, look for the external hard drive in the finder window. For this, click on file and then click New Finder Window. Now, look for the drive below remote disk.
Step 2 If the external drive is not there, make sure that USB cable is properly plugged in the external hard drive and the port.
Step 3 Sometimes, the drive is connected but not mounted. To mount a drive, open Disk Utility and look for the drive in the list. If it is there, check below it. Now click on mounting button to mount it. Open a finder window to see if the drive is mounted or not.
Step 4If you still cannot find it in the finder, it might not be getting enough power. Single USB ports can provide only 5 V. In that case, make use of USB cable having one USB connection for the external HD and two for Mac. This will supply the power required by the external hard drive.
These steps for fixing an external hard drive not recognized on windows and Mac are suitable for external hard drives of all capacities and manufacturers. However, if still the issue is not resolved, you can avail professional help.
Part 3. The Best External Hard Drive Data Recovery Software
While the external hard drive got damaged and did not detected on computer, after you fixing the problem, you should your data back. We will introduce the best external hard drive data recovery help you retrieve data back. Recoverit Data Recovery Software is the powerful data recovery program, it can help you recover data from external hard drive in easily and effectively.
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Recoverit Data Recovery is the best external hard drive recovery program, it can easily and effectively to help you recover lost or accidentally deleted files from hard disk drive, or other external storage device: USB drive, flash drive, SD card.
Steps on How to Recover Data from External Hard Drive
Download and install Recoverit Data Recovery on your computer. Launch Recoverit Data Recovery and follow the next steps to perform external hard drive data recovery on Windows computer, if you are a Mac user, you can download Recoverit Data Recovery for Mac to go on.
Step 1. Connect your external hard drive to the computer, select it while the disk detected on the program.
Step 2. The external hard drive recovery software will start scanning the device to searching the lost files.
Step 3. In minutes, all recovered files will display on the result. You can preview photos, videos, music, Word, Excel, PPT and PDF. Select your files and click 'Recover' button to restore back.
When the external hard drive got damaged, you can try to fix it with the solution which mentioned above. Also, get your data back with Recoverit Data Recovery in simple steps. Download and try it for now.
If you go to recover data from external hard drive on Mac, you will need the guide to set the application allow working on the Mac computer.
Note: Recover Lost Mac Data under Mac OS X 10.13 (High Sierra)
Due to macOS High Sierra (macOS 10.13) requirement, Mac users are not allowed an access to the built-in system drive from any apps. Therefore, if you need to restore lost data from the system disk under macOS 10.13, please 'disable System Integrity Protection' first.
How to disable 'System Integrity protection'? Please follow the steps below.
Step 1Reboot the Mac and hold down 'Command + R' keys simultaneously after you hear the startup chime, this will boot OS X into Recovery Mode.
Step 2When the 'OS X Utilities' screen appears, pull down the 'Utilities' menu at the top of the screen instead, and choose 'Terminal'.
Step 3In the 'Terminal' window, type in 'csrutil disable' and press 'Enter' then restart your Mac.
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Posted by Katrina to Mac Data Recovery on October 29th, 2018
After upgrading from OS X Sierra to OS X High Sierra on my MacBook Air, I can no longer mount and read my external hard drive. During the upgrade, I converted my MacBook hard drive to APFS. My external drive is formatted as Mac OS Extended.
Is the data on my external drive inaccessible now that I have APFS on my computer? Or is there a way to access it?
When you connect your external hard drive on Mac, if everything is working fine, the operating system will automatically recognize the device and mount its data in the Finder application. However, just like the above example, it may happen that the external hard drive is invisible on the left side menu of Finder and unmounted when checking in Disk Utility. Can't mount an external hard drive on Mac? This post will show you feasible solutions.
Mounting issues on Mac
There are numerous reasons forexternal drive not mounting issue, and below listed are few common ones:
- >Connecting Hardware
- >Corrupted disk
- >Incorrect formatting of the disk
- >Unsafe removal of the disk
- >Sudden power disruption
Unable to mount external hard drive on Mac, how to fix?
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The following are three effective solutions to external hard drives won't mount on Mac. But before running these steps, please do some basic checks.
Quick fixes of external hard drive not mounting on Mac:
1. Check whether the disk is properly connected to the system and powered on if required.
2. Try a different USB cable to make sure it is not at fault.
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3. Try a different port/hub or plug another device in to see if the port/hub works. If you are sure that there is no problem with the USB port/hub, you can plug a working external drive in a port/on a hub, unmount and eject it. Then plug the unmountable external hard drive into that port/hub.
4. Check the file system of the external hard drive. Sometimes when the drive is formatted with NTFS, it can't be mounted on Mac. By default, macOS only enables NTFS drive read support but disables write support. In this case, you can mount external hard drive with the help offree NTFS driver for macOS.
Still unable to mount the external hard drive on Mac? There might be problems with the drive itself, but you still have ways to resolve it.
Back up at first
Since you can't access the external hard drive, all files stored on the drive are lost. In this situation, if you have important files on the external hard drive, any operation on the drive will overwrite the original data, resulting in irreparable data loss. So it's highly recommended to make a backup firstly. Forget to back up before?iBoysoft Mac Data Recovery can help yourecover lost data from the unmountable external hard drive.
iBoysoft Mac Data Recovery is afree external hard drive data recovery tool that enables you to recover data from external drive which is unmounted, formatted, inaccessible, unreadable, or corrupted. It's fully compatible with macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13/10.12 and Mac OS X 10.11/10.10/10.9/10.8/10.7. It supports data recovery from hard drive, external hard drive, USB flash drive, SD card, memory card, pen drive, etc.
Tutorial to recover data from unmountable external drive on Mac with iBoysoft Mac Data Recovery
Step 1: Download and install iBoysoft Mac Data Recovery on Mac.
Step 2: Launch iBoysoft Mac Data Recovery.
Step 3: Select the unmountable external drive drive and click 'Next' button to scan all lost data.
Step 4: Preview the searching results, choose files we need, and click 'Recover' to get them back.
Step 5: Have a check to ensure we have got all lost data back.
Solution 1: Repair the external hard drive with Disk Utility
Step 1: Launch Disk Utility.
Step 2: Choose the unmountable external drive on the left sidebar.
Step 3: Select First Aid in the top center and click Run.
Solution 2: Repair the external hard drive with Terminal
Sometimes, Disk Utility may not function as desired. But you can still repair the corrupted external hard drive with Terminal.
Step 1: Go to Applications > Terminal
Step 2: Enter: diskutil list (This will list out the available volumes).
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Step 3: Check the volume identifier from the table that appears.
Step 4: Enter:diskutil repairVolume [diskvolume identifier]. For example, if the volume identifier of external hard drive is disk2s, you should enterdiskutil repairVolume disk2s.
Solution 3: Reformat the external hard drive
If yourexternal hard drive can't be repaired with Disk Utility and Terminal, the drive might be seriously corrupted. The only way is to reformat it. Reformatting will erase all data on the external hard drive, please make sure you have backed up important data.
1. Launch Disk Utility from Utilities.
2. Click the icon of the unmountable external drive on the left part of the window.
3. Click the Erase function on the top of the Disk Utility window.
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4. Complete the related information (name, format, scheme), then click Erase button.
How To Format External Hard Drive For Mac
Still have questions?