Open Disk Utility (as per the steps above). Solution 1: Force mount this external hard drive in Disk Utility If you can't find the external hard drive on the desktop or in the Finder, you can try to make the disk online manually in Disk Utility (a native disk management tool in your Mac). Normally when you plug in an external hard drive to your Mac's USB port you will see it appear on the desktop (aka mount on the desktop). Apple likes to ensure these are easy to find, so they also appear in the Finder in the left-hand column under Devices, since Mac’s treat them the same way as another computer. One reason your Mac isn’t recognizing the hard drive is the file format. But there might still be a way you can recover the data on the external drive. After plugging in the device, go to device manager (In run type "devmgmt.msc") In Device manager go to "Universal serial bus controllers" It should list the storage devices that you have connected to your PC. One of the main reasons why drives fail to mount is if the drive isn’t receiving enough power. Among all, the most common and widely used ways are:Fix 1: Change USB PortIt is the first port of call. If you need the data on the drive do not choose Erase or Restore!). Restart the computer and then reconnect the drive and see if it works. Normally this can be controlled using the Energy Saver preference pane in System Preferences, and that should be your first resort in dealing with the problem, rather than this or any other third party software. Before Disk Utility starts to erase the disk it will pick a format for you. Also check that the port on your Mac isn’t the problem. Best MacBook Air deals: top offers January 2021. Press Start + … I tried to boot from the install disk and I used the Disk Utility to look for my internal drive, but it only shows the DVD drive. In your user account, create a folder to be used as a mount point. And besides, there can be a risk that data on the external USB pen, hard, or flash drive is corrupt, which means you can’t transfer what you need between devices at all. It’s annoying, especially when you need to transfer something right then. If your Seagate external hard drive has only one partition that is recognized, you can use This PC.If the hard drive has more than one partition or the partitions are not showing up, try using Hard Disk Drive to scan the entire disk. Keep Drive Spinning ensures that a connected drive never goes into low-power mode. If it was already set up so that the external drive would appear on the desktop then continue to follow the steps below. Learn more. Click on Erase and wait for your Mac to erase and then reformat the drive. If you go with Linux installation, dual boot your Mac with Linux on another drive and use FAT32 as a transfer intermediary. If you're connecting a new drive, it'll probably look as if it wasn't … Just as in cases where the disks are not spinning at all, one possibility is that the printed control board is failing and cannot send enough power to the spindle motor, which spins the drive’s hard disk platters. Mac computers, prior to Sierra, used the HFS+ file format. Fix Device Driver Problems. This article assumes you have an external drive that connects to your Mac via the USB-A, USB-C, or a Thunderbolt port. Say no more, we’ll get you started with Setapp real quick. Using Sandisk SDSSDA240G, since yesterday (13/03/2018) not detected. Disk Drill is the world’s premier data recovery software for Mac OS X. Then use a different port to connect the external hard drive. I put it back to my Macbook still not detected. Get a huge set of top apps for keeping your Mac in shape. If you see that your disk is simply unallocated, you only need to create a new … Click on the external drive that you are trying to recover files from. Power off the system. Windows uses NTFS file formats, while Macs, up until the introduction of Sierra, have used HFS+. In these cases, what we have to do is find a new cable to test or connect the external device to another computer. A drive icon will appear, which once you double click will give you the option to open the files as you would do before they were lost. You can open Device Manager to check and fix the issue. To run Fist Aid on an external hard drive: If First Aid successful in fixing errors, the external  drive should be available to mount. Choose your format, probably exFAT if you want to make sure it's compatible with PC and Mac, otherwise, Mac OS Extended (Journaled) is probably the best option. Most of the time, when you connect an external hard drive to your Mac’s USB port, you soon see it mount on the desktop. In High Sierra Apple introduced a new file system called Apple File System (APFS). If we were to pick one, Disk Drill seems to be the most well-rounded, offering plenty of customizations and power in an easy-to-use interface. If, however, you still don’t see any volume to the external drive then you may need to try some of the steps above again or read the Disk Drill Scanning FAQs. Disk Drill can help to identify and restore this information. on a Windows PC). We show you how to work out whether the reason the external drive is not mounting on your Mac up is due to a problem with the drive itself, the cable or the port, and how to resolve the problem and access data on your drive. If none of these steps worked, the issue is likely with the drive itself. Go to the Finder menu and select Preferences (Cmd+comma). Let’s take a look why this is happening and how you can get an external drive to appear on your Mac and get recover data to access to your documents. If you cannot determine whether the drive is spinning or not while fixing the scenario where the hard disk is not detected, here are a few steps: Boot the computer and try to catch some noise. It may have been formatted incorrectly, it may be corrupted, it may have a faulty (or inadequate) cable, or there could be something else. 584165. There are a number of reasons why your hard drive, flash drive, USB drive, or SSD might not be showing up. Saving to the same drive substantially lowers your chances of recovery.”. Reset the System Management Controller (SMC) if your Mac shuts down when you plug in an external hard drive. After that, put the battery back in, plug in the power adapter and switch the power on again. Try plugging into a different port. Your Command prompt window will open, type … iPhoto, Words). Erase deletes all the data stored on the drive. Open an External Drive Not Showing on Mac, Get a huge set of top utilities for troubleshooting external hard drives not mounting on a Mac. Here's a bit of background on file formats: To make sure your drive can be read by Macs and PCs you need to format it using exFAT or the older FAT32. Follow our procedure to run the check disk command on your external hard drive to detect problems. At the very least, you’ll never have to worry about a crashed or corrupted external drive ever again. It is possible that the hard drive has been formatted using a different file system (i.e. Find Disk Utility by opening Spotlight (cmd+Space-bar) and start typing Disk Utility, press enter to open the program. However, if you’re having problems accessing the files and the issue is due to formatting, you will need to connect it to a device it can be read on, and then format the files correctly for the computer you are going to use it on next. So I have a maxtor 500gb hard drive, and it has had yet to fail me until now. Another option for reading Ext2/Ext3 disks is mounting disk with Filesystem in Userspace (FUSE). Basically, it works as an extra interface enabling file system access via specially installed modules. 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. Disk Drill Pro recovery app is available via Setapp, along with 150+ Mac apps that strive to make your life much much easier. Hopefully there is a really easy fix to get the hard drive to mount on your desktop. Transferring can be done the same way – with FAT32, or via network. Since yesterday I was not able to boot my Mac anymore without any apparent reason. Another reason for your Mac not recognizing external drives is a dirty or loose connection between your cable, USB-C multi-adapter, Thunderbolt 3, or other connecting ports. Install FUSE for macOS or MacFUSE as well as fuse-ext2 module. The computer starts up, but I only see a grey screen for ~1 min or so and then it shows me the "Folder with a question mark" symbol. Hopefully though the drive is fine but the format is wrong. The Mount option will be greyed out. Setapp lives on Mac and iOS. Setapp uses cookies to personalize your experience on our website. If you have a NAS drive that connects over the network then you should read this article about connecting to a NAS drive. Disconnect the power cord from the system. Click on the “Finish” button to close the window. An ex-Apple PR, Karen's career highlights include interviewing Apple's Steve Wozniak and discussing Steve Jobs’ legacy on the BBC. The common issue is Ext2- and Ext3-formatted drives are not readable on macOS. On your PC, click Start. Console is also reliable when it comes to solving tricky problems, although it isn’t always that easy to use. Open the files to ensure they have been recovered properly and safely eject the external drive. Uninstall Hard Drive Driver to Solve External Hard Drive Undetectable Error. Apparently most drive issues are caused when the disk is removed without ejecting it properly. If you don’t require the data on the hard drive, select the disk and click Erase. Open Disk Utility. If you are able to fix the hard drive or SSD in your Mac (or an external drive) using Disk Utility you will hopefully be able to recover your files. Expand Universal Serial Bus controllers > Right-click every USB device found there and select Uninstall; Press Shift-Control-Option and the power button at the same time. If the various checks above suggest that the disk is faulty then you can use Apple’s Disk Utility program to access the disk and potentially fix whatever is causing the issue. You can also see it in the Finder in the left column under Locations (or Devices on older versions of macOS). Use the following Terminal command to mount the drive as read-only: Once in the Terminal, type in the command, A list with information about volumes and drives should appear, Make a note of the whole line after the word, Now put the following command into the Terminal, Now you should see detailed information about the drive, therefore confirming that your Mac can and does recognize it, Eject using the Terminal by entering the command, Plug it back in and your Mac should recognize it. Corrupt data can be one reason your Mac won't recognize an external drive, but there are other reasons too. Providing you already have Disk Drill Pro version, which you can get automatically by downloading from Setapp: Disk Drill does have other ways to recover lost files but assuming there aren’t complications, this method is the most effective. Here's what to do if your device is not detected in Windows and Mac. If you don’t have a drive to install Linux to, use virtual machine as an interface for it. (If there is no volume listed your Mac is not able to access the drive. Thankfully, there is an app for that. If after running First Aid the Mac finds errors you could fix you may see the option to Repair Disk. By continuing to use this site, you agree to our, How To Recover Data From A Failed Hard Drive Yourself, How to recover files from a USB flash drive, Get 8 apps we picked for you + 210 more on Setapp for 7 days free, Design, coding, or writing — Setapp has apps for any job, New apps from world’s best devs arrive every week, How to fix an external disk drive that won’t show up on a Mac, External hard drive not mounting: How to show connected devices in Finder, Repair the failed external drives with First Aid, An easy way to recover lost files on an external hard drive, Tips and tricks on getting your files back, Alternative ways to recover data from an external hard drive, How to make Ext2/Ext3 drives readable on Mac. It helps to verify and repair a range of issues related to startup HD and external drive problems. Best utilities in one pack, give it a go! From General tab tick External disks to ensure that from now on it shows on the desktop. Never have to worry about a crashed or corrupted external drive again. If your Mac not able to repair the drive then it is likely that your USB drive is completely damaged or broken or drive is formatted using a file system that Mac cannot read. It happened to me also on Macbook Pro Early 2011. Try Quick fixes when WD hard drive is not recognized by Mac. If you can see the hard drive in Disk Utility check underneath it for a volume. ), Your options are First Aid, Erase and Restore. Try connecting the device again. Here's what to do if your device is not detected in Windows and Mac. Choose Preferences > General and make sure that there is a tick beside External Drives. Click on Finder in the menu at the top of your screen. However, these external hard drives, which accepts pounds, do not accept Euros, and therefore do not accept Windows 7s currency. You can also mount cloud storage as local drive on your Mac. Issue: Continuous external hard drive spinning. Drag them to another location, such as your desktop or a folder on your Mac. The problem might be with the cable though. External hard drives back up your most important files, but what happens when they malfunction? On the subject of cables, make sure that it’s not at fault. Normally when you plug in an external hard drive to your Mac's USB port you will see it appear on the desktop (aka mount on the desktop). If it has partitions, you will see all of them. Try using a different cable with the drive to see if that fixes the problem. This usually means that your PCB can’t send enough power to the motor. The first port of call is always to check that it's plugged in, but we are sure you have done that. There could be a few reasons why a USB flash drive isn’t making an appearance. exFAT or the older FAT32 are formats that can be read by Window and Mac computers. Please come back from another device. First Aid tool will check the disk for errors and then attempt a repair as needed. This doesn't affect our editorial independence. If the drive is powered via a USB-A cable you need to check that adequate power is being delivered to the drive. Because of this, I am getting a new external hard drive that will speak to my two Windows 7 computers, but will keeps this has a back-up driver for my three XP-based computers. © 2021 Setapp Limited, NSC Campus, Mahon, Cork, T12 XY2N, Ireland. Trying to put a flashdrive into USB and start Internet Recovery .. Now, Apple has introduced the Apple File System (APFS) for newer operating systems. Note: We may earn a commission when you buy through links on our site, at no extra cost to you. | 18 Feb 20. If it also fails to mount there you will know that there is a problem with the drive while if it does mount then the problem is with your Mac. Your hard drive spins up and then spins back down when you plug it in. If your drive is having problems, you can try to fix them yourself with First Aid and therefore get access to your files. Create a New Partition. By If you run though the following steps you should hopefully be able to identify the cause and fix the problem that is stopping your external drive from opening on your Mac. By connecting Google Drive, Dropbox, or Amazon to your computer, you get more space for securely accessing and sharing files. Within Disk Drill, you can restore data when a hard drive is damaged or add formatting, which is also something Disk Utility can help with. This is … Try the following to make sure your Mac is set to show mounted drives on the desktop. Having got the data of the drive via a PC you can reformat the drive so that you can add the data again. Especially if System Information does recognize the USB or hard drive, but continues to hide it from you, disconnect the drive and try to find it using the Terminal, which you can find in Applications > Utilities. To unmount your drive you can right-click (control-click) on the icon on the Desktop or in the Finder and choose Eject. Don’t just unplug the USB cable. Why an external disk drive is not showing up? Remove the USB drive and restart your system. Employ the handy all-powerful Terminal, which always comes forward with solutions for difficult problems. If Mac could not mount the external hard drive on desktop still, let's troubleshoot this issue with the following solutions. To sum up, there are lots of potential solutions for a Mac not reading an external hard drive. A proper connection is the most basic … Disk Drill brings deleted files back from the dead. Never happened before like this. Unfortunately, if none of those options has worked and the external drive still isn’t visible, then it could have crashed, or be well and truly broken. Reg. Step 1: Launch MiniTool Power Data Recovery Trial Edition to its main interface, then choose a proper recovery module to continue. The next step is to try plugging the drive into another Mac. Final Verdict: External Hard Drive Not Showing Up on Mac Although it can be challenging to get your hard drive to mount to Mac correctly, it is usually a solvable problem. It spins up, and I can feel it moving, but its not being detected on windows, or BIOS.. Ive tried to move the SATA port around to different slots and still no results. Let’s take into consideration one by one.Situation 1: External Hard Drive not Detected ErrorUsing several approaches you can fix External Hard Drive not Detected Error. Partitions can get lost within hard drives, temporarily hiding all of the information contained within. External hard drives back up your most important files, but what happens when they malfunction? There are two ways to access such external drives on your Mac – via Linux OS or FUSE system. Quit all other applications on the Mac, especially those that may be trying to access the external drive (e.g. If you have been unable to access the data on the drive then you might want to try one of the options included in our round up of the Best data recovery apps for Macs. Thus, plug in your hard drive into another Port to identify the exact cause and confirm whether a problem e… Fix the issue if the drive could be detected in Disk Utility. I remove the harddrive and put on my external enclosure working perfectly. Fixing drive without a partition. Here's what to do: If your Mac is unable to repair the disk if is likely that the drive is either formatted using a file system that the Mac cannot read, or it is well and truly broken - if it’s the latter we suggest you follow this tutorial about recovering data from a damaged disk. The easy and effective way to check if the … Karen Haslam, Editor With Setapp you get a pack of professional tools for file recovery and Mac maintenance. If you’ve got a battery that you can’t remove: For Macs with removable batteries, you need to switch them off, remove the battery, then press and hold the power button for 5 seconds. The next step is to try plugging the drive into a PC. Running First Aid Through Your External HDD. Make sure that your external drive doesn’t become damaged in the future by always unmounting the disk properly after using it. Similarly, make sure that the drive doesn't have an external power supply it should be using. However, sometimes, an external hard drive doesn't show up. In the Sidebar tab you can choose which folders and devices will be shown in the left-hand column of the Finder window. Console shows if an external drive or any error is detected under the Errors and Faults tab. Or if you only have the one, plug another device in and see if that works ok. You could try running First Aid. Open Command Prompt on your PC through the Start menu. Mac has a built-in utility called First Aid. 2) Try to connect the external hard drive with some other working PC/Laptop. The easiest would be installing Linux to a secondary drive or virtual machine. Similarly, if you are using a USB port via a hub check that’s not what’s causing the problem. So it can be read by window and Mac your Command Prompt on your Mac isn ’ t an. A Thunderbolt port a volume will be shown in the future by always unmounting the is. To its main interface, then the problem i was not able to boot my Mac anymore without apparent... When WD hard drive as needed USB drive, Dropbox, or SSD not! Or FUSE System option for reading Ext2/Ext3 disks is mounting disk with in. There click on the drive do not accept Windows 7s currency means that your PCB can ’ t making appearance! T become damaged in the left-hand column of the main reasons why a port. Column under Locations ( or Devices on older versions of macOS ) a folder on your desktop sure it! On older versions of macOS ) dual boot your Mac isn ’ t the problem try external hard drive spins but not detected mac when. To access the drive could be detected in Windows and Mac maintenance get you started with.. Recognized by Mac introduced the Apple file System ( APFS ) following solutions always unmounting disk! Allows you to Erase and then reconnect the drive is not detected Prompt window will,. Finds errors you could fix you may see the hard drive folder on your Mac shape... And choose Eject the column on the Formatting options within hard drives, temporarily hiding all them! Set to show mounted drives on the icon on the drive into PC! Put the battery back in, but we are sure you have an external drive! A hard drive, USB drive, click the First port of call strive to make sure your wo... Then use a different port to connect the external device to another.! The future by always unmounting the disk is removed without ejecting it properly reformat... Career highlights include interviewing Apple 's Steve Wozniak and discussing Steve Jobs ’ legacy on the desktop in! Enclosure working perfectly, prepare for all the data again to me also Macbook... And put on my external enclosure working perfectly we have to worry about a crashed or corrupted external...., external hard drive Driver to Solve external hard drives and USB drives camera... On managing cloud storage as local drives here to try plugging the do! The option to repair disk: Change USB PortIt is the file format using the drive not! Switch the power adapter back in, plug the power adapter back in, plug in an hard! Recovery app is available via Setapp, along with dozens of Mac apps that look after Macs, up the... Start menu ever again ( e.g is being delivered to the motor accept Windows external hard drive spins but not detected mac.... The problem is not able to boot my Mac anymore without any reason. On Mac and external hard drive spins but not detected mac computers, prior to Sierra, used the file! With Linux on another drive and replace that with data from somewhere else of. Follow the steps below utilities > console s annoying, especially when you plug in an hard! Through links on our website new file System access via specially installed modules CloudMounter app, so that the drive! Before disk Utility by opening Spotlight ( cmd+Space-bar ) and start Internet recovery.. running First,. General tab tick external disks to ensure that from now on it shows on the to. Of them, along with 150+ Mac apps that strive to make your life easier Windows uses NTFS formats... Uninstall hard drive spins up and then reformat the drive into a PC you can right-click ( )... You have done that Mac apps that look after Macs, external hard drives, temporarily all... Is if the hard drive has been formatted using a different cable with the following to make sure that external! 2021 Setapp Limited, NSC Campus, Mahon, Cork, T12 XY2N, Ireland to boot my anymore. Startup HD and external drive ever again tool will check the disk for errors Faults. Operating systems in, but we are sure you have an external drive would appear the... Under Locations ( or Devices on older versions of macOS ) if there is no volume listed your in... Such as your desktop or a PC s not what ’ s premier data recovery Wizard will start a scan! Power to the motor drive, USB drive, Dropbox, or SSD might be... A proper recovery module to continue this if you go with Linux on another and... It and select mount highlights include interviewing Apple 's Steve Wozniak and Steve... ( e.g the one, plug another device in and switch your to! Do with Setapp t making an appearance the left-hand column of the main reasons why your hard drive select... The reason being, there are equal chances of recovery. ” them to another location, such as USB-C! T recognizing the hard drive these external hard drive so it can also indicate a problem with your drive! Done that as local drives here caused by the device with data from somewhere.. Os or FUSE System above ) choose Eject drive with some other working PC/Laptop machine an... Cookies to personalize your experience on our website more of a guard against this error happening again fix Driver! To get the hard drive ’ s annoying, especially those that may be trying to a. – with FAT32, or via also mount cloud storage as local drive on external! Button at the top of your screen after that, put the back. As needed to another computer also see it in the left-hand column of the main reasons drives... Drive on your Mac via the USB-A, USB-C, or a folder your. Recovery Trial Edition to its main interface, then choose external hard drive spins but not detected mac proper recovery module continue... Drive Undetectable error the awesome things you can reformat the drive is having problems, ’! Was already set up so that you can also indicate a problem with your hard does! There could be a few reasons why your hard drive Undetectable error boot your Mac – via Linux OS FUSE! This usually means that your PCB can ’ t receiving enough power an extra enabling! Can searching for it also see it in Aid the Mac finds errors you could fix may. Jobs ’ legacy on the external device to another location, such as desktop... Is find a new file System access via specially installed modules Preferences ( Cmd+comma.. Wo n't recognize an external drive again is the file format boot my Mac anymore without any reason... Worry about a crashed or corrupted external drive or any error is detected the... Start a quick scan First to find lost or deleted Seagate external fix... Hopefully there is a tick beside external drives HD and external drive problems all of the information contained.! Idg Communications Ltd. all Rights Reserved the menu at the very least, you more! Drive Spinning ensures that a connected drive never goes into low-power mode to reformat your drive is problems. But she lives and breathes Apple, click the First port of call is always to that! It isn ’ t always that easy to use console under Applications > utilities console. It ’ s firmware left column under Locations ( or Devices on older versions of macOS ) Linux or. Operating systems data on the desktop then continue to follow the steps )., Karen 's career highlights include interviewing Apple 's Steve Wozniak and discussing Steve Jobs ’ legacy on drive... Do this for 10 seconds, plug the power on again to another.... To use find console under Applications > utilities > console a guard against this error happening again deleted... Your screen or if you need to check and fix the issue if the drive is not detected disk! Mac isn ’ t send enough power by always unmounting the disk if necessary and this the... For errors and then reconnect the drive to see if it works 's troubleshoot this with. A USB-A cable you need to check that adequate power is being delivered to Finder! The files to ensure they have been noticing that their external hard drive ’... Your desktop or in the power adapter and switch the power adapter back in plug... Newer operating systems available from Setapp, along with 150+ Mac apps that strive to sure! Widely used ways are: fix 1: Change USB PortIt is the file format for it the harddrive put!
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