Macintosh hd not mounted in disk utility. Right-click on it and .
Macintosh hd not mounted in disk utility. Oct 16, 2024 · Whilst looking at Disk Utility I saw that the Macintosh HD was grey, as in not in use? And despite clicking Mount, nothing happens. Sometimes a simple reboot of your machine is enough to fix the issue. Dec 7, 2022 · Could not mount disk2s1 after erase I am not sure if disk has any issue as it works fine if i logout and log back in. Mount Your Disk If the "Erase" button is grayed out, the disk you’re trying to erase may not be mounted. Now at least I have the ability to restore apps and files. The Macintosh HD volume is where the system and system support files are kept and the user has no access to them. Hope that helps! Sep 29, 2025 · Many reasons may cause a hard drive, such as Macintosh HD, not mounted in Disk Utility, including a damaged file system, the operating system carshes, an incompatible file system with macOS, etc. For many users, the easiest way to unmount a drive in Mac is to either just drag a volume into the … Feb 17, 2008 · I have an internal hard drive in my iMac it has one partition, in Disk Utility the mount point shows as "/". Follow our guide to fix the issue and regain access to your important files. To make it visible on your desktop, you can mount the external hard drive in the ways I'll discuss in the next section. Best regards. You need to select the disk itself to see partitioning options. 1) Booted up on my USB Stick with Mountain Lion Installer mounted on it 2) Opened up Disc Utility and formatted the Hard Drive. Disk Utility may conceal the startup drive in gray as an added complication. I have an external hard drive with 3 partitions, in Disk Utility the mount points show as "/Volumes/Partition 1", "/Volumes/Partition 2", "/Volumes/Partition 3". Feb 1, 2022 · This is not a question, this is an answer to several questions I've found here and around the web asking about the same problem. 4. Some Macs may show macOS and macOS - Data in these two volumes as well. This will check the disk for any errors on the disk that can be repaired. Oct 13, 2011 · Macintosh HD is the read only system sealed volume (SSV) which is mounted as a snapshot at / forming the base of the file system. Sep 3, 2024 · Mounting an external hard drive on a Mac using the Terminal can be a real lifesaver, especially when the drive won’t mount through the usual means. I then used the disk utils to erase the "Machintosh HD - Data" partition. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions. Follow the steps in Method 1 to mount the drive using Disk Utility. Seriously, your Mac is likely unable to mount the external hard drive, and you will have to resuce the data when you cannot access the files anymore. How to mount a disk on Mac that won't mount? Oct 12, 2022 · It goes without saying that you should connect your external hard drive to a computer to access any files inside it. May 20, 2020 · At boot, I pressed Cmd+R to enter recovery. Apr 7, 2025 · In this article, we will introduce 6 methods to fix Macintosh HD greyed out in Disk Utility issue. I thought I'd post the information I found in one spot so people can find it easily. Aug 15, 2019 · I erased all data on Macintosh HD but now when I go to reinstall OS X there is no hard drive appearing when prompted to select a hard drive to install OS X. When I updated to Big Sur, the disk drive was still there. Follow easy steps to resolve Mac disk0s2 not mounted and hard drive not mounting problems, and recover lost data. The computer boots and runs fine otherwise. 8GB (smaller than it was for Monterey). If your external hard drive won't mount on your Mac computer, you don't need to worry. Jan 22, 2025 · If you have an external drive that suddenly won’t mount on your Mac, this could happen for a number of reasons. When the installation finished, a new disk image appeared. Oct 25, 2024 · External hard drive not mounting on your Mac? Here's what to do. The standard configuration of such a container is as follows: disk1s1, the volume you boot from, mounted at /, shown in Disk Utility as Macintosh HD disk1s2, ‘Preboot’, not mounted, hidden disk1s3, ‘Recovery’, not mounted, hidden Aug 10, 2023 · Start up from macOS Recovery Option-⌘-R In Disk Utility>View, select Show all Devices, highlight the top left entry. When an internal hard drive is not mounted successfully on your Mac, for example, disk0s2 is not mounted, it can scan the stored data on it and display all the recoverable data in a short time. Is that normal? If not, Aug 20, 2012 · I attempted many things to try to fix this. It was named "update". 13 or Disk Utility. If you have lost data after fixing this issue, use data recovery software to get the lost data back. If that is not a problem, do you have another hard drive you can try in the enclosure to rule it out as the culprit Jun 5, 2025 · You plug an external hard drive into your Mac, but find it not showing up on the Desktop, in Finder or Disk Utility app. Look for the disk in the sidebar, usually with the manufacturer’s name and storage capacity. Oct 11, 2019 · FWIW: I had this structure after upgrading to Catalina Macintosh HD Macintosh HD Data Macintosh HD Data I removed the last instance of HD Data in Disk Utility (right-click and choose Delete volume), and now things look as they should. Learn how to fix disk0s2 not mounting issues on your Mac. I have FileVault enabled, but it says it is not encrypted. May 21, 2024 · Common Reasons for a Greyed Out Partition Button You’ve Selected a Volume, Not a Disk: Disk Utility works at two levels: the physical disk and its volumes (like “Macintosh HD”). Oct 25, 2023 · If your Disk Utility partition is greyed out when viewed on the left sidebar, that means it hasn’t been mounted. On my Intel Ventura system this is 8. Select your Startup Disk (usually named "Macintosh HD"). 3. Final thoughts Macintosh HD not mounted in Disk Utility or even no Macintosh HD in Disk Utility is a common issue in daily life. Once the install is complete and the system restarts, you can proceed through Setup and then attempt to mount/repair the internal drive. The versatility and power of diskutil make it a great tool for managing disks and partitions on Mac. When an external hard drive won’t mount on a Mac, there are several approaches you can take to the problem. Follow the steps below to recover stored data on the unmounted disk0s2, which often refers to the startup disk Macintosh HD on a Mac. When you click it, you may be asked for a password to mount the volume, this is usually your login admin account password. If a disk in a disk set on Mac fails or is missing If you get a message on your Mac that says a disk is missing or has failed, there are several things you can try to solve the problem. I am trying to run `csrutil disable` in recovery mode on my new M1 Macbook Air However, when I enter recovery mode, only the options option comes up and not my Macintosh HD internal SSD. To accomplish this, you need to install the OS to an external drive formatted as Mac OS Extended (Journaled). Sep 5, 2025 · If the hard drive has some disk errors, it may not mount on your Mac. This guide offers a detailed overview on how to do so, highlighting multiple methods for different scenarios. Run Disk First Aid on all items in the left panel, from top down. Jan 30, 2025 · Disk Utility can find and repair errors related to the formatting and directory structure of a Mac storage device. Errors can lead to unexpected behavior when using your Mac, and significant errors might even prevent your Mac from starting up completely. If you check your startup volume (Macintosh HD), make sure you also check your data volume (Macintosh HD - Data). Just adding the MacIntosh HD volume would not be the best way to get your Mac back up and running again. Mar 24, 2021 · Before erasing, you can re-name the volume, (Normally Macintosh HD, but it can be changed). However, there may be times when the external drive doesn’t appear in any of these locations, causing the data within the unmounted external hard drive to become inaccessible. Jun 25, 2020 · Macintosh HD not showing in disk utility during the macOS recovery Question folder problem: based on Apple instructionscommand +R and enter the macos recovery, After enter the macOS recovery in the disk utility, hard disk drive not showing what should I do? Oct 20, 2019 · The Mac HD - Data volume is where your files and apps are kept and you have access to them just like the older system volumes. If that doesn't work, attempt to repair errors on the external hard drive using the First Aid feature in Disk Utility. I clicked on the internal SSD (Macintosh - HD) and erased it. Recover Unmountable APFS Drive Data on Mac Mar 28, 2023 · Restart your MacBook: Sometimes, restarting your MacBook can help detect the hard drive. Nov 18, 2023 · Just for a little background: What is the 'Mac OS X Base System' disk image on my 2011 MacBook Air? - AskDifferent tl:dr The Mac OS X Base System is mounted only in Recovery Mode and is used to install macOS without a CD. Try restarting your MacBook and see if it detects the hard drive. This makes me think that it is not getting mounted when I am booting into the recovery mode. Aug 5, 2025 · 3 solutions to fix Macintosh HD greyed out in Disk Utility/Recovery Mode or Macintosh HD not mounted. Thanks! Aug 5, 2025 · If this external hard drive is not mounting on Mac, even with Disk Utility's Mount button, the drive is probably corrupted or has some directory structure issues. I have tried some terminal commands to force mount the disk however nothing seems to work. Disk Utility checks and repairs the disk. To repair Macintosh HD, if not mounted, access Disk Utility. Sounds like you have more than one partition on the WD 750GB? Oct 19, 2023 · Typically, when an external hard drive is connected to a Mac, it appears on the Desktop, in Finder, and in Disk Utility. But why there are two Macintosh HDs after a clean install? In this article, we provide a straightforward and informative Sep 29, 2025 · EaseUS Data Recovery Wizard for Mac helps users recover stored data from an unmounting internal or external disk quickly and safely. Download free Mac data recoevry software to recover lost data from unmountable Macintosh HD. The solution is to mount your partition manually using Disk Utility’s Mount tool. I run Disk Utility regularly and this notice that the volume could not be unmounted seems recent. I cannot select it, nothing. That's totally normal. You can list these with diskutil apfs list. Aug 5, 2025 · If your external hard drive shows up in Disk Utility but is grayed out, it's not mounted on Mac. Checking extents Mar 11, 2021 · I am now in Disk Utility (Recovery Mode) and can run First Aid on (from bottom to top) Macintosh HD - Data, then Macintosh HD, then Container disk4, then when I get to Fusion Drive, that drive won't mount. Volume is already unmounted. A full guide is available to learn how to repair an external hard drive, troubleshoot common issues, and restore functionality. Learn how to use Disk Utility on your Mac to manage APFS volumes, test and repair disks, erase disks, and more. I then went over to reinstall the OS and when prompted to choose between "Machintosh HD" and "Macintosh HD - Data", I chose "Macintosh HD". Step 3: Reinstall macOS (If Necessary) If the drive can be mounted in recovery mode but not in normal mode, you should install macOS again. Whether you’re dealing with disk permission issues, file system errors, or other complications, you’ll find step-by-step Nov 28, 2018 · Do you have access to a second Mac? If you do you’ll need to connect your MacBook Pro to is using Target Disk Mode so you can reformat your drive. I ended up installing El Capitan and during the install it completed the repairs, but I still cannot get to the HD in repair mode. Disk utility also still shows no internal hard drive. I'm not so sure why it's there as it was never there before. At first I thought my hard drive had crashed so I purchased a new one and installed it. Jan 3, 2021 · I cannot get it to unmount. Let me know if you have any suggestions. TIA Paul Click to expand The disk can't be unmounted because the computer is running from that disk. Any help of info would be greatly appreciated. Sep 29, 2025 · The EaseUS software can fix complex unmounting scenarios, including Macintosh HD not showing up in Recovery Mode. Oct 4, 2018 · Please help to recover data… as I do not have a back up iMac 27” late 2012 high Sierra Failed to start with internal HDD Booted with OS on USB external disk Ran disk utility first aid to check internal HDD Results below: Volume “Macintosh HD” Repairing file system. In this case, check if your external hard drive or the target disk is correctly mounted in Disk Utility. Fortunately, there are ways to fix the unmounted disk0s2. Search for lost files Select the disk location to search for lost files (it can be an internal HDD/SSD or a removable storage device) on Jun 21, 2023 · Learn how to fix an external hard drive that won't mount on your Mac and retrieve your valuable data with data recovery software. In this guide, we will walk through step-by-step solutions to resolve the issue and restore access to your drive. Jul 4, 2023 · Hard drive showing in Disk Utility but not on finder Hey, So I've tried first aid, I've tried restarting my computer, I checked to see if it's compatible with mac, I looked in finders preferences to make sure hard drives were selected, I mounted it and unmounted it, and nothing has worked so far. It is one of the most common problems Mac users face. Here's how: Open Disk Utility. New volumes you create will be listed in this left sidebar of Disk Utility. Oct 19, 2023 · Typically, when an external hard drive is connected to a Mac, it appears on the Desktop, in Finder, and in Disk Utility. But sometimes, it doesn’t appear anywhere on your system. You’ve arrived at the right place if you fall into this category. Apr 24, 2021 · Also not a safe backup option: I added a partition to my HD while in Recovery Disk Utility which allows me to create a volume for Time Machine to use. I decided to factory reset the Mac Pro by going to Disk Utility. Aug 21, 2020 · If the drive doesn't appear in the Disk Utility (be sure to try the View icon, setting that for "Show All Devices") And, the drive is not listed in anything that you try in the terminal (diskutil [whatever command]), then you can assume that the storage drive has failed. And don't worry: you won't be able to delete a drive you're not supposed to delete. Apr 23, 2017 · The only drive that is listed is the drive for the Internet Recovery OS install. Apr 9, 2025 · Check out the below-listed solutions and fix Macintosh hard drive not mounted effortlessly. I’ve tried verifying it, repairing it, and mounting it through disk utility to no avail. At this point, I would suggest that your use Recovery Mode to first Jan 15, 2021 · Cutting the long story short, I was able to install Mojave. Nov 18, 2020 · Upon reopening Disk Utility after restarting the computer, I noticed that Macintosh HD had become 'greyed out' and was no longer mounted, indicating that the System Snapshot is mounted instead: I am able to use and access everything seemingly as normal, but I have not been able to mount the drive. It’s possible that the disk is malfunctioning, or that your computer isn’t recognizing it properly. Jul 14, 2020 · So I thought to try and reinstall mac OS but in recovery mode I can't find macintosh HD. In the sidebar, select a volume, then click the First Aid button . Dec 27, 2019 · If Disk Utility cannot fix the problem and mount the drive, then you may need to erase the whole drive and reinstall/restore macOS assuming you don't have a failing hard drive or a defective hard drive cable. If it is visible but grayed out, it might need to be mounted. This applies to May 13, 2013 · You can mount and unmount drives, volumes, and disks from the command line of MacOS and Mac OS X. Aug 5, 2025 · If you have updated to macOS 10. Is your internal hard drive not showing up in Mac's Disk Utility? This guide will teach you about the common causes of this issue and the solutions to fix it. In disk utility I can only mac os base system and that's only 2gb where as my ssd is 256gb. Aug 5, 2025 · In that case, it means the drive is recognized but not mounted on Mac, hence, the external hard drive is not showing up on Mac 's desktop and Finder, and you cannot access it to read files and write data to it. What version of Catalina are you running? Sep 17, 2025 · When you connect an external hard drive on a Mac, it shows up in the following locations – Desktop, Finder, and Disk Utility. If the enclosure has screws then you could disassemble it to remove the hard drive so you could use a USB to SATA Adapter (assuming the external drive doesn't wire the USB cable or USB port to the hard drive's Logic Board. Does the SSD show up there? If your Mac has a Fusion Drive and you see a flashing question mark or alert, see the troubleshooting section of the Apple Support article About Fusion Drive, a storage option for Aug 5, 2025 · Learn how to (force) mount external hard drives on Mac via Disk Utility or mount commands in Terminal and how to fix 8 common external hard drive mounting problems. Right-click on it and Jul 11, 2021 · The greyed out disk is your boot volume, which would nominally be called 'Macintosh HD' The data drive is usually just called 'Data' in there, though it shows on the Desktop as 'Macintosh HD'. If the disk is visible in Disk Utility but it did not mount, select the disk and click on First-Aid. This is the only volume that says it's not encrypted, according to Disk Utility. First, you can mount your external drive on a Mac using Disk Utility (here is how to do it). If you unexpectedly exited the disk repair operation, your Macintosh HD may have vanished from Desktop and Finder. Possible causes of a drive not mounting include an interruption of macOS’ mounting system due to the lack of CPU resources. Aug 5, 2025 · Follow this tutorial to fix internal hard drive not showing up on Mac, Finder, in Disk Utility. Use Disk Utility to erase a . If a disk is missing: Make sure it’s connected to a power source, turned on, and connected to your computer. Next, you should be able to Quit Disk Utility, then again try to Reinstall MAC OS. It's part of the new security that Catalina brings to the table. I then booted up an older iMac and put the 2019 iMac into Target Disk Mode, but it's basically the same problem: Macintosh HD - Data shows mounted in Disk Utility, but I don't see it in the Finder. com Apr 10, 2025 · Incorrect disk configurations or accidental deletion of Macintosh HD partitions. See full list on easeus. Macintosh HD not mounted in Disk Utility or even no Macintosh HD in Disk Utility is a common issue in daily life. Aug 5, 2025 · Or, the partitions Macintosh HD & Macintosh HD - Data become disk0s2 and disk0s2 - Data. Mar 7, 2013 · I would start with the basics. Sounds like you have more than one partition on the WD 750GB? May 3, 2025 · With my heart pounding, I clicked on Disk Utility (standalone aka recovery mode) and (a) erased all volumes (b) erased container and (c) repartitioned Macintosh HD by changing it to MacOS Extended then back to APFS and clicking "Partition"). Mar 23, 2016 · 2. Install went as expected but, when I look at “macOS” disk in “Disk Utility” app, I notice “macOS” disk is mounted as a snapshot. Is this normal? Nov 9, 2017 · A standard macOS startup APFS container does contain additional volumes to the volume with macOS installed on it. For this, simply follow the below-given steps: Boot the Mac in to Recovery Mode. I am running macOS Big Sur 11. Then your Mac won't mount the Macintosh HD, either. Aug 5, 2025 · Here is all you need to know about mounting the Macintosh HD or the Mac internal hard drive in machines running macOS 15 Sequoia - macOS High Sierra 10. However, I forgot to install the OS after. Jan 19, 2023 · Installed macOS Ventura on external USB-C SSD. Thank you in advance! :) How to Fix Macintosh HD Greyed Out in Disk Utility Without Data Loss [ 4 Solutions ] Mac users may encounter the issue of the Macintosh HD being greyed out in Disk Utility, which can be caused by various reasons. Performing fsck_hfs -fy -x /dev/rdisk0s2 Checking Journaled HFS Plus volume. Click on the Mount button to mount the Dec 5, 2024 · Before we start: Normally, Disk Utility won't mount an NTFS external hard drive on Mac. Can someone please explain this to me? And does Snaps mean anything? I was initially trying to find out why my Lacie portable drive was not being recognised by my iMac; and whilst I am still not able to fix this, the greyed out Mac HD came to light. This can happen after the internal hard drive is erased or a download is interrupted. Use cases of a volume on Mac Recently, we explained how to get macOS Sequoia on a different volume on Mac. Aug 22, 2020 · I can see the Macintosh HD volume in the Finder, but not the Macintosh HD - Data volume, so I can't access my files. Tuxera (which I happened to have purchased years ago and occasionally use to write to & format NTFS drives) did the job and mounted this very important hard drive (of which I don't have a backup, ouch). If that doesn't get the drive working again, try adjusting some Finder settings. We've prepared a guide on how to fix the problem and mount your hard drive to your Mac. If a Macintosh HD fails to mount in the Disk Utility on mac, then you need to repair it by using Disk Utility in a Recovery Mode. Here is a picture of my disk utility. An external hard drive that does not show up or mount on a Mac can make the data Apr 12, 2021 · Macintosh HD not mounting in recovery mode Hello. If you want to mount NTFS external hard drive on your Mac, just install an NTFS driver - such as Donemax NTFS for Mac on your Mac, then run it to enable writable for the NTFS drive, then mount the drive. This post draws the most efficient ways to help you fix this problem. As of 1 Feb 2022, Disk Utility still can't check any mounted disk (especially external disks like Time Machine or other backup disks) if they are formatted as APFS. Select the disk you want to erase in the sidebar. Click Repair. Feb 17, 2008 · I have an internal hard drive in my iMac it has one partition, in Disk Utility the mount point shows as "/". If you encounter this problem, try mounting the device in Disk Utility first. I appreciate any information on this. Step 1. Feb 5, 2016 · Easy repair right? So I restarted the computer and get into Recovery Mode to do a repair in Disk Utility and the HD is grayed out. I go back to disk utility and Macintosh HD is gone, it has been replaced with disk0s2 which is not mounted. Sep 26, 2018 · Click the First Aid tab. We’ll guide you on fixing the external hard drive not mounting on Aug 5, 2025 · If Macintosh HD isn't showing up, read this guide: 7 ways to fix Macintosh HD not mounted/showing in Disk Utility How to show Mac hard drive on desktop when you can't find hard drive on Mac? Jun 1, 2021 · Macintosh HD not mounted Since I have reinstalled macOS Big Sur on my M1 Mac mini, Macintosh HD isn't mounted although the computer works just fine. Sep 29, 2025 · Mac not reading your external hard drive? Whether it won’t mount, appears grayed out in Disk Utility, or throws a file system error, don’t panic. When you connect an external hard disk drive (HDD) to a Mac, it shows up on Disk Utility, Finder, and Desktop. This time you should see the normal Macintosh HD, (Or whatever you re-named the volume). Aug 5, 2025 · For instance, running the command diskutil list will list all disks on your Mac, including the hidden partitions like EFI, Preboot, or Recovery HD, with detailed information, which Disk Utility only partially displays. Disk Utility can fix certain disk problems—for example, multiple apps quit unexpectedly, a file is corrupted, an external device doesn’t work properly, or your computer won’t start up. Aug 5, 2025 · Macintosh HD not mounted/showing up in Disk Utility? Learn how to fix Macintosh HD partition or Mac internal hard drive not mounted and recover lost data from Macintosh HD May 20, 2020 · Naturally I wasn’t sure why, so I did some searching online and ended up getting into Disk Utility and notice my HD is no longer mounted. 15 Catalina and later on your Mac, you must have noticed that there are two volumes in Disk Utility, one named Macintosh HD, and another called Macintosh HD - Data. Jul 8, 2024 · Step 2: Open Disk Utility In the Utilities window for macOS, choose Disk Utility and click Start. By the way, data loss is inevitable if encounter an internal hard drive not mounting on Mac. On this step I selected that I wanted to encrypt it as I always did and put my usual password in it 3) Exited Disc Utility and started the Installation process Problem: It froze on 18min left and I waited for about an Menu bar > click "macOS Installer" and quit it. Reference: How to use target disk mode to move files to another computer Unlike the recovery partition’s Disk Utility we need to run it from an - MacBook Pro 15" Retina Display Late 2013 Jun 6, 2025 · Related Article: [Fixed] Erase Assistant Is Not Supported on This Mac Fix 2. That gave me an error, saying basically that nothing could be installed to that partition. Feb 27, 2023 · It appears your pictures are from an Apple Silicon Mac. First, what is the external enclosure, firewire or USB? Did you check if there is a firmware update for the enclosure itself? I had this problem with a My Book II enclosure from Western Digital and updated the firmware then the disk finally mounted. You can open Disk Utility via Spotlight, select the target drive, and click First Aid > Run to identify and fix any file system or disk errors that may cause the external drive not to mount on your Mac. I wanted to do a factory reset on my 2013 macbook pro ( currently on High sierra ), so I started up my laptop, held down command R, went into disk utility but when I went to erase macintosh HD, it says that's it's not mounted. It is showing on the left bar but it is grayed out. Here is an Apple article with instructions for erasing the "Macintosh HD" & "Macintosh HD - Data" volumes and deleting the Volume Group which can be done from Recovery Mode or by creating & booting a macOS USB installer (the USB option requires modifying the Mac's security settings to allow booting from USB). Repair a storage device in Disk Utility on Mac Disk Utility can check for and fix errors related to the formatting and directory structure of a Mac storage device. In the First Aid dialog, click Run, then follow the onscreen instructions. Feb 7, 2025 · If your drive won't mount, you can't access your data. Jul 21, 2020 · That is unfortunate about the enclosure not allowing DriveDx to access the drive's health information. If somebody steals my Mac, will they be able to get the info that is stored on Container disk1 since it's not encrypted? Why are there two Macintosh's? What is an "APFS System Dec 19, 2021 · Internal SSD not showing up in Disk Utility after erase I have a 2013 Mac Pro and have used it for quite some time. Check disk utility: Open Disk Utility and see if the internal hard drive is visible. 'Sealed' in SSV refers to it being cryptographically signed by Apple and checked on every boot before being mounted. Mounting is the process by which a computer’s operating system makes files and directories on a storage device available Sep 29, 2025 · We introduce 5 practical ways to fix no Macintosh HD in Disk Utility in Finder or Recovery Mode issue, including repairing in Recovery Mode, rebooting Mac in Safe Mode, using Mac Terminal, using FSCK command, and reinstalling macOS. Booted from Thumb Drive (Create a bootable installer for macOS - Apple Support) using the Apple USB C AV Multipart Adapter, but I still had no internal disk showing up to install the OS on in the installation menu. Jun 24, 2022 · These will have your name or, by default, be called Macintosh HD (stores the system files) and Macintosh HD – Data (stores your data). Disk0s2 not mounted If disk0s2 is greyed out on Mac, it's not mounted and cannot be accessed. But in the case of Mac, there are times when the hard drives do not mount on the system, leaving users with an unresponsive drive and inaccessible files. Jan 6, 2023 · Next, select Disk Utility in the macOS Recovery window, then click Continue. However, it does not appear in these places sometimes, leaving you unable to mount the drive. I tried putting in the Mac OS X install disk and I tried using Disk utility but when I went there, the only things that show up are the Mac OS X disk and the DVD drive, but not the Macintosh HD. Disk Utility can’t detect or repair all Sep 15, 2025 · If your external hard drive still can't be mounted in Disk Utility after you perform First Aid, or if Disk Utility can't repair this disk, your drive should have some serious errors like file system corruption. Oct 9, 2019 · So Disk Utility did see the disk but couldn't mount it, killing fsck in the Terminal didn't work. I am looking to use this external drive to install WindowsToGo to boot on Mac OS with one additional ExFAT drive to use between both Windows and Mac. Learn how to fix an external hard drive not mounting on Mac with these simple methods. Then open Disk Utility, select Macintosh HD on the left, and then look for an option on the top of the Disk Utility window that says "Mount". I turned it off for a while until I remembered to install Apr 25, 2018 · What does that mean and what is the impact on my computer. gq8uzmntgtrzfzn9wr5nsjv8pub7dfy8ywevsqt