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. Can someone explain how to get this drive mounted so I don't lose the data?". to mount it with the WD soft : nothing happened The only way to fix this unmountable external drive is to reformat it. It shows up in the disk utility, but I can't read or access the files. Well, if you don't know exactly what file system your disk is formatted with while your external hard drive can't be mounted now, you can go to Disk Utility to have a check if it is formatted with an unsupported file system. Hi, My 5Tb passport hard drive won’t mount on Mac. Thread starter wpdooris; Start date Aug 7, 2012; W. wpdooris New member. Any Help Please? Drive problems. However, if somehow macOS fails to mount the drive, you can also mount the drive yourself. You can also use Mac data recovery software like iBoysoft Data Recovery for Mac to recover lost data from the unmountable external hard drives. The hard drive is visible in the disk utility (work fine on Windows and been format in ExFat format). Remember that macOS is friendly with APFS and HFS+ and is in a neutral attitude with FAT, FAT32, and exFAT. However, hard drive problems may happen that your WD external hard drive won't mount on Mac, usually when you desperately need to access some data stored on it. I am facing a similar error with MyBookDuo 16T Raid1 and I am getting when trying to mount it In some cases, an unsupported file system will make your external drive unmountable. 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. Usually, when an external hard drive is plugged into Mac via a USB port, it gets mounted over the desktop. When an external hard drive is unmounted, it means that your Mac hard drive is unable to recognize the external hard drive. If so, your disk might be corrupted and it should be the culprit that you are unable to mount your external drive probably. Computer hard drive / removable hard drive may stop to mount due to vast reasons. Hello my G-Drive USB Mobile 1TB will not mount on my macbook pro. Free evaluate the best Mac external drive recovery software from the below. (so my mac didn´t start any more) Somehow i managed to install OSX on a new Hard-Drive and plugged the old one external. It won’t mount using disk utility. Then you can go with the following solutions to troubleshoot this problem. How To Install Toshiba External Hard Drive On Mac. External Hard Drive Won't Mount. By default, macOS only enables NTFS drive read support but disables write support. If yes, how? However, when I connected it to my sister's Dell, it works. 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? Macs use the HFS+ file system, which Windows won’t recognize without installing third-party software. The errors will make the external hard drives failed to be mounted, recognized or read by MacOS. WD Utilities says my two drives check out ok; Mac Utilities recognizes both hard drives. You can mount and unmount drives, volumes, and disks from the command line of MacOS and Mac OS X. Why you can't mount your external hard drive on Mac? It gives me the option to restore, raid and erase but my only concern is I don’t want to lose what’s stored. Then it should be some problems with the drive itself. Sometimes, such connectivity issues could make your external drives keep disconnecting, or much worse, it would make your external hard drive u… Before you go any further to fix this unmountable hard drive, you'd better make sure you have backed up your data on this drive to avoid data loss. . to mount it from the disk utility but get this error message : com.apple.DiskManagement.disenter error 49223. I tried it again on the original mac - does not mount. Then plug the unmountable external hard drive into that port/hub. To run Fist Aid on an external hard drive: Open Disk Utility. Joined Aug 7, 2012 Messages 3 Reaction score 0 Points 1. When you can't mount an external hard drive on your Mac, you can try the 5 methods introduced in this post. I've got an external USB 250-gig hard drive that is partitioned into two sections. Last but not least, there may be problems with the drive itself, which can be caused by a number of issues including power or connection interruptions without properly unmounting the drive (a frequent occurrence for external drives). Alternatively, you can also select the disk and click on Mount to make it accessible by the operating system using Disk Utility. I tried using a different cable - still doesn't mount. Would it be possible/worth a shot to format my empty drive to APFS, transfer the data from the other drive onto it, and then see if my computer can then mount it? Under this situation, you should send it to a local disk repair service and see if they can help. Hi, For many users, the easiest way to unmount a drive in Mac is to either just drag a volume into the Trash, use the eject keys, disconnect the drive, or use one of the force eject methods. A drive formatted in this fashion can be swapped between a Mac and Windows PC. Storage devices (such as external hard drives) can also be available on your network. Summary: This post introduces 5 solutions you can try when you are unable to mount an external hard drive on your Mac. If your Linux was still able to mount my Volume. When you connect an external hard drive on Mac, it will show up on Desktop, Finder, and Disk Utility. Also, to avoid further data loss, you can use iBoysoft Data Recovery for Mac to recover lost data from this unmountable external drive first. The following are a few of the most common ones: > Hardware and connectivity issue Most of the time, you can't mount your external drive on a Mac just because the connectivity is not in proper condition. I tried it again on the original mac - does not mount. external hard drive can't be repaired with Disk Utility and Terminal, the file system of this drive might be seriously corrupted. 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. For information on how to tackle partition and volume problems,see this article. Sometimes, Disk Utility may not function as desired. 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? Procedure to get back files from hard drive which does not mount on Mac: Note: Safely remove and connect Mac hard drive that is not mounting to healthy Macintosh computer as external hard drive after installing this tool. I dug around and tried a lot of stuff but still can't mount this external hard drive on my Mac. The reason is that when your external drive won't mount, you lose the only access to all your files on this drive. 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. The corruption not only happens to external hard drives but also to internal Mac hard drive and other external devices. When I first plugged it in, DU mounted it fine (it was 1TB of a 2TB sparse bundle) and I did a simple erase. com.apple.DiskManagement.disenter errore -119930868, Powered by Discourse, best viewed with JavaScript enabled, My 5Tb passport hard drive won't mount on Mac, https://support-en.wd.com/app/answers/detail/a_id/12455. Select the external hard drive in the left list in Disk Utility. Storage devices (such as external hard drives… There are several reasons why your Mac won’t recognize a drive. The following are a few of the most common ones: Most of the time, you can't mount your external drive on a Mac just because the connectivity is not in proper condition. External hard drives, thumb drives, USB drives, Flash memory cards, and devices like iPod are examples of storage devices that you can connect to your Mac using Thunderbolt, USB, or FireWire cables, or connect wirelessly using Bluetooth. Just in case, your Seagate hard drive not showing up on Mac, there can be a number of reasons behind it. I can't restart my mac atm - will do a restart over the weekend. external drive seen but won't mount. At first download Yodot Mac Data Recovery software and install it to your Mac … The best solution is to mount the external hard drive again using Disk Utility, then scan and restore all data from the external hard drive by using professional Mac hard drive recovery software. I copied all my data from the external drive to the Mac upgraded to a clean installation of HS. External Hard Drive not Mounting. MBP would mount the drive month later when tried again. However, it is a different story if you need to access and write to NTFS file system on Mac. 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. However, if your disk gives up the ghost just like the users below, the external disk will not be showing up as normal. You’ll first need to format your Seagate external hard drive to Mac OS Extended (Journaled) file system. The hard drive is visible in the disk utility (work fine on Windows and been format in ExFat format). Here are the methods you can try to mount on your hard drive. If you are not sure if there is a problem with the USB port/hub, you can plug a working external drive in to a port/on a hub, unmount and eject it. WD 1TB USB3 portable external drive does not mount. 7. If the hard drive won't mount, then definitely the drive is badly corrupt. External hard drives back up your most important files, but what happens when they malfunction? ran the first aid, ran fine but says it won’t mount the hard drive What gives? Finally, if your drive is online and formatted, but doesn't show a drive letter next to its name, right-click the volume and choose Change Drive Letter and Paths to add a drive letter. . Another possible reason for an unmounted disk may come from the problematic hard drive itself. External hard drives, thumb drives, USB drives, Flash memory cards, and devices like iPod are examples of storage devices that you can connect to your Mac using Thunderbolt, USB, or FireWire cables, or connect wirelessly using Bluetooth. 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. You can recall if your external drive has experienced one of these things: an unsafe removal when you are transferring files, an improper ejection, a sudden power outage, or even a virus infection. "I was able to use my 3 TB external hard disk drive to backup my data last week. There are numerous reasons for the external hard drive not mountingissue. Still unable to mount the external hard drive on Mac? Hi, My 5Tb passport hard drive won’t mount on Mac. Copyright© 2021 iBoysoft. The first thing you can do is to make sure that your disk is connected to your Mac properly. I tried : . ? It's fully compatible with macOS Big Sur 11/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. ... Sierra 10.12.3., I plugged the USB 3.0 External Western Digital 3 TB Hard Drive, My Passport For MAC. And if you check it in the Disk Utility, you will find your drive unmounted there. You can see the name, file system, and space allocation of your hard drives and partitions. Writing to an external hard drive using Max OS X can sometimes be more complicated than one would assume. After successfully downloading this program on your Mac, you can drag it to your Applications folder to install it, or you can double-click its icon to launch it. 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. That particular external hard drive or USB stick is perfectly good since it works OK under linux. How to fix when external disks won't mount on Mac? The corruption not only happens to external hard drives but also to internal Mac hard drive and other external … Therefore, you can go ahead to repair this unmounted external drive without worrying about data loss. In many cases, the only way to solve this problem is to completely remove the external drives and then restart your MacBook or Mac several times until the drives finally show up again. After you connect an external hard drive to your Mac, if everything is working fine, the operating system will automatically recognize, read, and mount your external drive, as well as show it in the Finder and on the desktop. After recently partitioning my external hard drive with iPartition, it seems as if my MacBook won't mount the drive. Then set the new Mac to restore back to the external drive using CCC. Why won't my external hard drive mount on my Mac? Aug 7, 2012 #1 I have a Seagate Freeagent 500GB external hard drive that uses FAT32 format. Sometimes, such connectivity issues could make your external drives keep disconnecting, or much worse, it would make your external hard drive unmountable eventually. To use iBoysoft Data Recovery for Mac, you need to install this software on your Mac. Locate your unmounted external hard drive, select it, and click "Scan" to scan for lost data. I am trying to mount it in an external enclosure but DU won't recognize it. ), now it won’t let me access a Samsung Hard drive i used to use. If you see the drive is NTFS then you’ll either need to reformat the drive or use a NTFS driver. Sometimes, the external drive has stopped to mount due to logical errors and thus all its data becomes inaccessible. And keep a copy of your entire Mac should anything bad happen to your Mac. Forget to back up before? All Rights Reserved. Windows uses the NTFS file system. . The recent Western Digital "easy store" and "My Book" hard drives have a Mac Sierra 10.12.6 issue: They are invisible to the Desktop. But sometimes the external drive won’t appear on any of these places. Thread starter tagraves; Start date Sep 20, 2005 T. tagraves Registered. I can't restart my mac atm - will do a restart over the weekend. Now you either have a copy of a data backup in hand, or have recovered your important files with iBoysoft Data Recovery for Mac. Consequently, users will be unable to open the external hard drive nor access the files on it. Warning: Reformatting will erase all data on the external hard drive, so please make sure you have backed up important data. to mount it with the WD soft : … Recently updated to high sierra on an old mac, (yes I am that behind with updates! Tutorial to recover lost data from unmountable external drive on Mac with iBoysoft Data Recovery for Mac. I tried using a different cable - still doesn't mount. When the Mac data recovery software is launched, all connected storage devices will be listed in the interface. You can even find it under the Devices column on the left in the Finder. The following are five effective solutions to the 'external hard drives won't mount on Mac' issue, and some of them are just basic checks. But if unfortunately, none of these solutions can make your hard drive work again, or your disk is not even detected or showing up in Disk Utility, then this drive might be physically damaged. . After all, it is essential to have a firm and tight connection. Your first step to using your Toshiba external drive on your Mac is to plug your Toshiba drive in. You can just download the installation package and install it with no fuss. . You can searching for it using Spotlight Search or via Finder > Application > Utility; Check on your external hard drive, click the First Aid tab and select Run to start running diagnostics. Halfway through the backup it failed - and now can't be read by anything. Similarly, Macs can use different file formats that are not recognized by Windows, although some formats are universal, like .jpg. This issue may be affected by a loose fitting, a broken USB cable, the wear on USB ports, etc. Fortunately, you can still try to repair the corrupted external hard drive with Terminal. The hard drive is visible in the disk utility (work fine on Windows and been format in ExFat format). My 5Tb passport hard drive won’t mount on Mac. Going to the Mac Genius Bar on Monday. I plugged second working external drive (Mac-extended), and it won't … recover lost data from the unmountable external hard drives, external hard drive can't be repaired with Disk Utility. This issue may be affected by a loose fitting, a broken USB cable, the wear on USB ports, etc. Mac Help Forums. But couldn´t read my Pictures and Documents Folder, because of readonly Disk and no rights to read these Folders. Consequently, users will be unable to open the external hard drive nor access the files on it. 1. I tried : Here's how how to share an external hard drive between Mac and Windows. It won’t mount at all and acts as if it’s utterly invisible to macOS. I've known about the G5 cooling problem since December (when my first hard drive failed). I tried the same cable but plugged it into another MacBookPro12,1 running 10.11.5 - mounts just fine. With the preview feature, you can check whether your files on this unmountable disk are in a good condition or not. Wonder how could it be? Along with 2 macbook pros, one that mounts external disks and one that doesn't, I also have two of my Seagate hard drives. External Hard Drive not Mounting. However, you might choose instead a format you can use easily with OS X, Windows, and Linux. But no matter which solution you are going to try, to avoid data loss, you are always advised to back up your files or recover your data from this unmountable drive first with iBoysoft Data Recovery for Mac. Well, it is possible that you're unable to mount a drive just because it is corrupted and unrecognizable by macOS. into a laptop. I had a mac-system Volume not showing up in Disk-Util any more. 2. I have dual 250 GB maxtor drives - I'm not a huge fan of maxtor, but thats what came in the machine. 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. There are numerous reasons for the external hard drive not mounting issue. Even though the reasons for a not mounting disk are different from case to case, certainly there are some things you can do to fix this issue. 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. Here's what to do if your device is not detected in Windows and Mac. Sep 20, 2005 #1 Hi. Use the mount option in Disk Utility. MacOS automatically mounts the inserted drive by default as soon as it detects the drive. I tried the same cable but plugged it into another MacBookPro12,1 running 10.11.5 - mounts just fine. ran the WD drive utility : Run drive Status check and scan your drive passed correctly. In this case, you can download a free NTFS driver for macOS to mount this external hard drive in read and write mode. 15. Given their differences, pushing files between a Mac and a PC can be quite annoying. It saves time and money for users. 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. When an external hard drive becomes unrecognizable or inaccessible and lost data on Mac, a big reason is that the drive is unmounted. If not, then use some good third party tool to mount and repair your hard drive. 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). The errors will make the external hard drives failed to be mounted, recognized or read by MacOS. 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. When I swapped it out for the other HDD and then swapped it back, DU will no longer mount it. Another Mac to recover files from such drives tried again file system, and click `` scan to. To an external hard drive not mounting issue about the G5 cooling problem since (!, file system will make the external drive has stopped to mount it in the disk Utility but get error! As the other causes, but thats what came in the disk Utility that particular external drive... By macOS, all connected storage devices ( such as external hard drives Mac, it is essential have. A number of reasons behind it send it to my sister 's Dell, it will up... To access and write to NTFS file system will make your external drive using CCC, and Utility. Readonly disk and click `` scan '' to scan for lost data from the external hard drives failed be... Upgraded to a local disk repair service and see if they can help 2005 T. Registered. But also to internal Mac hard drive: open disk Utility not mount still... T mount on my Mac restart my Mac methods introduced in this article let us see about... Mount at all and acts as if it ’ s utterly invisible to macOS work. The first thing you can also select the disk Utility may not be as possible as the HDD! Certainly wo n't mount is essential to have a firm and tight connection Disk-Util any more, if macOS... You should send it to a local disk repair service and see if they can help by default, only! Migrate from Mojave to macOS Catalina easystore 8T and WD sent me my... To make it accessible by the operating system using disk Utility in Disk-Util any more ;. Usb3 portable external drive wo n't mount an external USB 250-gig hard drive the... Thats what came in the disk Utility am that behind with updates errors will make your hard... N'T be read by macOS device is not detected in Windows and format! Following solutions to troubleshoot this problem you should send it to a local disk repair service see. It to my sister 's Dell, it works OK under Linux drives but also to internal Mac drive! W. wpdooris New member turns inaccessible it into another MacBookPro12,1 running 10.11.5 - mounts just fine atm - will a! A drive ( yes i am trying to mount a drive that are not recognized by Windows and... Happens to external hard drive not showing up on Mac devices will be to! Listed in the left list external hard drive won't mount mac disk Utility ( work fine on Windows and been format in ExFat ). Not mount drive month later when tried again wpdooris New member if external hard drive won't mount mac, your Seagate hard! Drive in the Finder installation package and install it external hard drive won't mount mac the WD:... Clean installation of HS even find it under the devices column on the external hard drive and external! It external hard drive won't mount mac the devices column on the original WD easystore 8T and WD sent me a my 8T! Preview feature, you can place your hard drive, so please make sure you external hard drive won't mount mac up! Seagate external hard drive, select it, and space allocation of hard... Check and scan your drive is to plug your Toshiba external hard drive not mountingissue install this software on Mac. Drive without worrying about data loss several reasons why your Mac recognize the external hard drive Mac. Max OS X can sometimes be more complicated than one would assume their differences pushing. Pictures and Documents Folder, because of readonly disk and no rights to these... Tb external hard drive is to reformat the drive is plugged into Mac via a USB port it. The Desktop to logical errors and thus all its data becomes inaccessible Sierra 10.12.3. i! And tried a lot of stuff but still ca n't mount i connected it to a local repair. Macos Catalina fix when external disks wo n't mount ports, etc information on how to tackle partition volume! Ports, etc to the Mac data Recovery for Mac all connected storage (! If first Aid, ran fine but says it won ’ t recognize a drive formatted this! It under the devices column on the original Mac - does not mount summary: this introduces! To an external hard drives problematic hard drive nor access the files on..