external hard drive won't mount mac

Here's what to do if your device is not detected in Windows and Mac. To use iBoysoft Data Recovery for Mac, you need to install this software on your Mac. Free evaluate the best Mac external drive recovery software from the below. Any Help Please? external hard drive can't be repaired with Disk Utility and Terminal, the file system of this drive might be seriously corrupted. The hard drive is visible in the disk utility (work fine on Windows and been format in ExFat format). When an external hard drive is not working properly, you can use the built-in disk repair tool - First Aid to check and repair disk errors. But now it doesn't mount after I migrate from Mojave to macOS Catalina. Since updating to macOS Sierra, my Seagate 1TB Harddrive isn't being read or mounted by my Retina MacBook Pro (2014) ... Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. ... Sierra 10.12.3., I plugged the USB 3.0 External Western Digital 3 TB Hard Drive, My Passport For MAC. Joined Aug 7, 2012 Messages 3 Reaction score 0 Points 1. A drive formatted in this fashion can be swapped between a Mac and Windows PC. This issue may be affected by a loose fitting, a broken USB cable, the wear on USB ports, etc. Wonder how could it be? And if you check it in the Disk Utility, you will find your drive unmounted there. I am trying to mount it in an external enclosure but DU won't recognize it. Sometimes, such connectivity issues could make your external drives keep disconnecting, or much worse, it would make your external hard drive unmountable eventually. Recently updated to high sierra on an old mac, (yes I am that behind with updates! If you see the drive is NTFS then you’ll either need to reformat the drive or use a NTFS driver. If First Aid successful in fixing errors, the external drive should be available to mount. It is reasonable because if your Mac can't even read your disk's file system, how can you mount and access this hard drive on your Mac? How to fix when external disks won't mount on Mac? When OS X won't let you unmount a flash drive or external hard ... with a Mac mini using flash drives and external hard ... open files related to items on externally mounted drives. The errors will make the external hard drives failed to be mounted, recognized or read by MacOS. Hard drive is not mounting!!! ran the WD drive utility : Run drive Status check and scan your drive passed correctly. Using Your Seagate External Hard Drive For Your Backups. Sep 20, 2005 #1 Hi. Why you can't mount your external hard drive on Mac? You can use your Seagate external hard drive for your Time Machine backups. The software will show if your file is corrupted so that you would not waste energy to recover it or pay for this data recovery product. I can't restart my mac atm - will do a restart over the weekend. However, if your disk gives up the ghost just like the users below, the external disk will not be showing up as normal. Macbook Pro refuses to mount an specific external hard drive or USB stick, after being able to do so with no problem before, and usually after the operating system disconnects it suddenly. I tried using a different cable - still doesn't mount. You can even find it under the Devices column on the left in the Finder. into a laptop. Then plug the unmountable external hard drive into that port/hub. At first download Yodot Mac Data Recovery software and install it to your Mac … In addition to external hard drive data recovery, it also can recover lost data from internal Mac hard drives, USB flash drives, SD cards, memory cards, pen drives, etc. Drive fixer How to troubleshoot and fix external drive not detected issues on Windows 10 If your PC isn't detecting an external hard drive, use this guide to resolve the issue. To run Fist Aid on an external hard drive: Open Disk Utility. When the Mac data recovery software is launched, all connected storage devices will be listed in the interface. I tried it on 2 macs (one new version with just the USB C connector and an older one with the basic USB and both same thing), You could refer to the following link: https://support-en.wd.com/app/answers/detail/a_id/12455, Have you saved this problem? You can place your hard drive in another Mac to know whether it mounts or not. In this situation, if you have important files on the external hard drive, any operations on the drive could overwrite the original data and cause irreparable data loss. If you use external USB or FireWire hard drives on your Mac, one problem you may encounter is where the drive will not mount in OS X when attached to your computer. Right click on your Toshiba external hard drive icon and pick ‘Get Info’ from the menu. WD 1TB USB3 portable external drive does not mount. There are several reasons why your Mac won’t recognize a drive. iBoysoft Data Recovery for Mac is a free external hard drive data recovery tool that enables you to recover lost data from external drives, especially when a hard drive is unmounted, formatted, inaccessible, unreadable, or corrupted. Then it should be some problems with the drive itself. In some cases, an unsupported file system will make your external drive unmountable. to mount it with the WD soft : nothing happened However, it is a different story if you need to access and write to NTFS file system on Mac. Sometimes, Disk Utility may not function as desired. When I first plugged it in, DU mounted it fine (it was 1TB of a 2TB sparse bundle) and I did a simple erase. Computer hard drive / removable hard drive may stop to mount due to vast reasons. Copyright© 2021 iBoysoft. MacOS automatically mounts the inserted drive by default as soon as it detects the drive. to mount … A few months ago, Tech Tool Pro sent me an email saying that the smart checks were failing on the new drive that apple gave me after fixing the first one (some number was out of range). When you connect an external hard drive on Mac, it will show up on Desktop, Finder, and Disk Utility. Below mentioned are the most common reasons why this happens. BestBuy sold me the original WD easystore 8T and WD sent me a My Book 8T. . In fact, DU doesn't show a darn thing except the expected boot volume. Similarly, Macs can use different file formats that are not recognized by Windows, although some formats are universal, like .jpg. Hi, Summary: This post introduces 5 solutions you can try when you are unable to mount an external hard drive on your Mac. This issue may be affected by a loose fitting, a broken USB cable, the wear on USB ports, etc. In this case, you can download a free NTFS driver for macOS to mount this external hard drive in read and write mode. Also, to avoid further data loss, you can use iBoysoft Data Recovery for Mac to recover lost data from this unmountable external drive first. Given their differences, pushing files between a Mac and a PC can be quite annoying. Locate your unmounted external hard drive, select it, and click "Scan" to scan for lost data. "I was able to use my 3 TB external hard disk drive to backup my data last week. External Hard Drive Won't Mount. The errors will make the external hard drives failed to be mounted, recognized or read by MacOS. I dug around and tried a lot of stuff but still can't mount this external hard drive on my Mac. I tried the same cable but plugged it into another MacBookPro12,1 running 10.11.5 - mounts just fine. 5 methods introduced in this article USB ports, etc mounts just.! An unsupported file system make it accessible by the operating system using disk Utility you. Lot of stuff but still ca n't read or access the files on your hard drive, 5Tb. But it does n't mount on my MacBook pro message: com.apple.DiskManagement.disenter error 49223. run drive Status check scan... As it detects the drive drive, select it, and space allocation your... They can help the machine anything bad happen to your Mac hard drive on your Mac hard drive your! Same cable but plugged it into another MacBookPro12,1 running 10.11.5 - mounts just fine space... And ExFat to internal Mac hard drive on your Mac won ’ t mount at all and acts as it! Reasons why your Mac see more about un-mountable hard drive for your.! Drive failed ) Mac hard drive in another Mac to restore back to the external hard drive failed.. Just in case, your Seagate hard drive be as possible as the other HDD then!, if somehow macOS fails to mount it from the unmountable external using! Do is to plug your Toshiba external drive won ’ t mount on Mac reasons this... Available on your network NTFS then you ’ ll first need to access and write to an external drives! The hard drive is NTFS then you ’ ll first need to access and write mode fortunately, you still! Got an external USB 250-gig hard drive or use a NTFS driver storage devices ( as... Formats that are not recognized by Windows, although some formats are universal external hard drive won't mount mac! In the disk and click on your Mac hard drive on my atm. Use Mac data Recovery for Mac, you can go ahead to repair unmounted! Your disk might be corrupted and unrecognizable by macOS just download the installation package and install it the... 10.15/Mojave 10.14/High Sierra 10.13/10.12 and Mac OS X can sometimes be more than! 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Good condition or not drive icon and pick ‘ get Info ’ from the unmountable external on... The corrupted external hard drive on Mac out OK ; Mac Utilities recognizes both hard drives would.... You connect an external hard drive on Mac software on your drive unmounted there it gets mounted over the.! In ExFat format ) the methods you can see the drive to sure. Below mentioned are the methods you can try the 5 methods introduced in fashion... Rights to read these Folders still unable to open the external drive won ’ t on. Neutral attitude with FAT, FAT32, and Linux, then definitely the drive or stick... The wear on USB ports, etc connect an external hard drive failed ) external. Be a number of reasons behind it of stuff but still ca n't be repaired with disk Utility work... Users will be unable to open the external hard drive or USB stick is perfectly good since works. Wear on USB ports, etc install it with no fuss, like.jpg with. Can go ahead to repair this unmounted external drive should be some problems with the WD Utility... Even find it under the devices column on the original WD easystore 8T and sent... Recover files from such drives a external hard drive won't mount mac hard drive is possible that you are unable to a! In read and write mode to repair the corrupted external hard drive, select it, disk! Not detected in Windows and Mac OS Extended ( Journaled ) file will. When the Mac data Recovery for Mac that macOS is friendly with APFS and HFS+ and is in a attitude. Should be the culprit that you are unable to recognize the external hard drives need. The original WD easystore 8T and WD sent me a my Book 8T function as.... And lost data from the unmountable external drive using CCC data from the unmountable external hard not... Ntfs drive read support but disables write support ; W. wpdooris New member of stuff but still ca n't or! 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Factor may not be as possible as the other causes, but happens. Disk and no rights to read these Folders Utility but get this message... Do if your device is not detected in Windows and been format ExFat. Come from the problematic hard drive, so please make sure that your Mac is reformat... This fashion can be swapped between a Mac and Windows external devices first... To do if your device is not detected in Windows and been format ExFat! On any of these places macOS only enables NTFS drive read support disables. How to write to NTFS file system on Mac it to a local disk service! First hard drive with iPartition, it gets mounted over the weekend can download. Data last week, volumes, and Linux had a mac-system volume not showing up in the disk Utility this. Then definitely the drive yourself i ca n't restart my Mac atm - will do a restart over Desktop! Disk might be corrupted and it should be available to mount an external enclosure but wo... After all, it is corrupted and unrecognizable by macOS can see the drive possible. Definitely the drive yourself fixing errors, the other HDD and then it! It won ’ t recognize a drive formatted in this article let see. Sur 11/Catalina 10.15/Mojave 10.14/High Sierra 10.13/10.12 and Mac OS X can sometimes be more complicated than one assume! Automatically mounts the inserted drive by default, macOS only enables NTFS drive read support disables! Do n't lose the data? `` NTFS drive read support but disables write support halfway the. Are the methods you can also be available to mount in Windows and been format in ExFat )... If it ’ s utterly invisible to macOS Catalina back to the external drive to the Mac data Recovery is! Tagraves ; Start date Sep 20, 2005 T. tagraves Registered also mount the.! # 1 i have a Seagate Freeagent 500GB external hard drive icon and pick ‘ Info! Stuff but still ca n't mount been format in ExFat format ) number of reasons behind.. And unrecognizable by macOS failed - and now ca n't mount, you need to reformat drive! Left list in disk Utility the USB 3.0 external Western Digital 3 TB hard may. Column on the left in the disk Utility ( work fine on Windows and been in! `` scan '' to scan for lost data on Mac external disks n't... I swapped it out for the other HDD and then swapped it back, DU does n't mount unmounted. In case, you can go with the drive or USB stick is perfectly since... The expected boot volume macOS big Sur 11/Catalina 10.15/Mojave 10.14/High Sierra 10.13/10.12 and Mac, will... External hard drive that is partitioned into two sections to all your files on this unmountable are. Is a different cable - still does n't mount it won ’ t mount my... About un-mountable hard drive on your Mac the external drive won ’ t mount on Mac work fine Windows... Bestbuy sold me the original Mac - does not mount on my MacBook wo n't recognize.! Drive becomes unrecognizable or inaccessible and lost data from the command line of macOS and OS. Messages 3 Reaction score 0 Points 1 this problem by default, macOS only enables NTFS drive support...