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. Thankfully, there is an app for that. 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. Or if you only have the one, plug another device in and see if that works ok. Issue: Continuous external hard drive spinning. Then use a different port to connect the external hard drive. Say no more, we’ll get you started with Setapp real quick. Click on Finder in the menu at the top of your screen. Open Disk Utility. There could be a few reasons why a USB flash drive isn’t making an appearance. Disk Drill brings deleted files back from the dead. It’s annoying, especially when you need to transfer something right then. Hi - I just got a Seagate FreeAgent Go 120 GB External Hard Drive. Look in the column on the left to see if the hard drive appears there. Make sure that your external drive doesn’t become damaged in the future by always unmounting the disk properly after using it. This doesn't affect our editorial independence. Another option for reading Ext2/Ext3 disks is mounting disk with Filesystem in Userspace (FUSE). Try Quick fixes when WD hard drive is not recognized by Mac. On your PC, click Start. Since yesterday I was not able to boot my Mac anymore without any apparent reason. Keep Drive Spinning ensures that a connected drive never goes into low-power mode. Quit all other applications on the Mac, especially those that may be trying to access the external drive (e.g. Try connecting the device again. The Mount option will be greyed out. Karen Haslam, Editor iPhoto, Words). 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. Very old Macs may require a USB power cable, a cable that splits into two USB connectors that need to both be plugged into your Mac, in order to deliver enough power to the drive. Setapp lives on Mac and iOS. Never have to worry about a crashed or corrupted external drive again. The first port of call is always to check that it's plugged in, but we are sure you have done that. Drag them to another location, such as your desktop or a folder on your Mac. 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. Fix Device Driver Problems. Before Disk Utility starts to erase the disk it will pick a format for you. People have been noticing that their external hard drives continue to spin even when they have stopped using the drive. Disk Drill Pro recovery app is available via Setapp, along with 150+ Mac apps that strive to make your life much much easier. Reset the System Management Controller (SMC) if your Mac shuts down when you plug in an external hard drive. Saving to the same drive substantially lowers your chances of recovery.”. Learn more. 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. Now, Apple has introduced the Apple File System (APFS) for newer operating systems. Click on Erase and wait for your Mac to erase and then reformat the drive. on a Windows PC). 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. Your Command prompt window will open, type … We'll explain how to do that below. 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. In your user account, create a folder to be used as a mount point. Having got the data of the drive via a PC you can reformat the drive so that you can add the data again. 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. Here’s how to mount drives with FUSE: And that’s not the only case where Terminal helps you access external drive. VAT ID: IE3425001BH. 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. 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. Employ the handy all-powerful Terminal, which always comes forward with solutions for difficult problems. 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. You can find Console under Applications > Utilities > Console. 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. Click on the “Finish” button to close the window. The next step is to try plugging the drive into a PC. One of the main reasons why drives fail to mount is if the drive isn’t receiving enough power. Trying to put a flashdrive into USB and start Internet Recovery .. Uninstall Hard Drive Driver to Solve External Hard Drive Undetectable Error. Corrupt data can be one reason your Mac won't recognize an external drive, but there are other reasons too. 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. It may have been formatted incorrectly, it may be corrupted, it may have a faulty (or inadequate) cable, or there could be something else. If your Mac has already mounted the drive the option Unmount will be displayed instead. This usually means that your PCB can’t send enough power to the motor. If it is there click on it and select Mount. © 2021 Setapp Limited, NSC Campus, Mahon, Cork, T12 XY2N, Ireland. We have final suggestion to make that is more of a guard against this error happening again. If it has partitions, you will see all of them. Create a New Partition. If after running First Aid the Mac finds errors you could fix you may see the option to Repair Disk. You can open Device Manager to check and fix the issue. Windows uses NTFS file formats, while Macs, up until the introduction of Sierra, have used HFS+. Please come back from another device. The easiest would be installing Linux to a secondary drive or virtual machine. 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. You can change this if you click on the Formatting options. It is possible to format a hard drive so it can be read on Mac and Windows computers, providing you format using exFAT. (If there is no volume listed your Mac is not able to access the drive. Choose Preferences > General and make sure that there is a tick beside External Drives. Disconnect the power cord from the system. One reason your Mac isn’t recognizing the hard drive is the file format. 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 article assumes you have an external drive that connects to your Mac via the USB-A, USB-C, or a Thunderbolt port. 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. 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). What’s your file format? Here's what to do if your device is not detected in Windows and Mac. A proper connection is the most basic … 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. If Mac could not mount the external hard drive on desktop still, let's troubleshoot this issue with the following solutions. Restart the computer and then reconnect the drive and see if it works. Running First Aid Through Your External HDD. Run the program as an administrator. At the very least, you’ll never have to worry about a crashed or corrupted external drive ever again. 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. But there might still be a way you can recover the data on the external drive. 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). Ready to check them out? 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. Disk Drill Pro recovery app is available from Setapp, along with dozens of Mac apps that will make your life easier. 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. If you do, go ahead and run the repairs. Here's how to reformat your drive so it can be read by and Mac or a PC. Macs and third-party apps that look after Macs, such as. Power off the system. 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. Try using a different cable with the drive to see if that fixes the problem. Basically, it works as an extra interface enabling file system access via specially installed modules. By connecting Google Drive, Dropbox, or Amazon to your computer, you get more space for securely accessing and sharing files. 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. Follow our procedure to run the check disk command on your external hard drive to detect problems. Open Disk Utility (as per the steps above). © Copyright 2021 IDG Communications Ltd. All Rights Reserved. Best MacBook Air deals: top offers January 2021. If the drive mounts on the PC it's likely that you have discovered what the problem is: the drive is formatted for PCs and can’t be read by your Mac. Right click and then click "Uninstall. | 18 Feb 20. Then use a different port to connect the external hard drive. The common issue is Ext2- and Ext3-formatted drives are not readable on macOS. In that case, if you need to access the data on the drive you'll need to connect your drive to a Windows PC that does recognise it and copy the data before moving on to the next step. Powerful enough to retrieve long-lost, mistakenly deleted files from Macs, external hard drives and USB drives and camera cards. 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. It helps to verify and repair a range of issues related to startup HD and external drive problems. However, it can also indicate a problem with your hard drive’s firmware. exFAT or the older FAT32 are formats that can be read by Window and Mac computers. Also check that the port on your Mac isn’t the problem. First Aid will check the disk for errors and then repair the disk if necessary and this is the option to choose. Remove the USB drive and restart your system. By Your hard drive doesn’t spin up at all. Using Sandisk SDSSDA240G, since yesterday (13/03/2018) not detected. Open the files to ensure they have been recovered properly and safely eject the external drive. To run Fist Aid on an external hard drive: If First Aid successful in fixing errors, the external  drive should be available to mount. From General tab tick External disks to ensure that from now on it shows on the desktop. If you see that your disk is simply unallocated, you only need to create a new … I remove the harddrive and put on my external enclosure working perfectly. 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. EaseUS Data Recovery Wizard will start a quick scan first to find lost or deleted Seagate external … 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. I put it back to my Macbook still not detected. Don’t just unplug the USB cable. Your hard drive spins up and then spins back down when you plug it in. The next step is to try plugging the drive into another Mac. 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. 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. Reset the System Management Controller (SMC) if your Mac shuts down when you plug in an external hard drive. Go to the Finder menu and select Preferences (Cmd+comma). Why an external disk drive is not showing up? 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. Find Disk Utility by opening Spotlight (cmd+Space-bar) and start typing Disk Utility, press enter to open the program. 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. If you're connecting a new drive, it'll probably look as if it wasn't … Erase deletes all the data stored on the drive. 584165. Hopefully though the drive is fine but the format is wrong. If you can see the hard drive in Disk Utility check underneath it for a volume. So I have a maxtor 500gb hard drive, and it has had yet to fail me until now. 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 your drive is having problems, you can try to fix them yourself with First Aid and therefore get access to your files. To unmount your drive you can right-click (control-click) on the icon on the Desktop or in the Finder and choose Eject. Apparently most drive issues are caused when the disk is removed without ejecting it properly. 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. Browse and navigate to the unrecognized external hard drive and then click on “OK”. The reason being, there are equal chances of USB Port damage. However, sometimes, an external hard drive doesn't show up. Similarly, make sure that the drive doesn't have an external power supply it should be using. Check on your external hard drive, click the First Aid tab and select Run to start running diagnostics. If the utility unable to repair issues, your drive truly is broken or formatted using a file system that the Mac cannot read - in this way we suggest you follow the next steps to recover data from a damaged disk drive. 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. If you’ve got a battery that you can’t remove: Shut down and unplug the power adapter You can searching for it using Spotlight Search or via. Here's what to do if your device is not detected in Windows and Mac. If none of these steps worked, the issue is likely with the drive itself. Press Start + … However, these external hard drives, which accepts pounds, do not accept Euros, and therefore do not accept Windows 7s currency. Reg. 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. Her focus is Mac, but she lives and breathes Apple. Console shows if an external drive or any error is detected under the Errors and Faults tab. This is … ), Your options are First Aid, Erase and Restore. 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). The problem might be with the cable though. Similarly, if you are using a USB port via a hub check that’s not what’s causing the problem. Never happened before like this. Do this for 10 seconds, Plug the power adapter back in and switch your Mac back on. Partitions can get lost within hard drives, temporarily hiding all of the information contained within. If you don’t require the data on the hard drive, select the disk and click Erase. Note: We may earn a commission when you buy through links on our site, at no extra cost to you. On many occasions when we have an external hard drive that does not work, the problem lies in the cable that connects it to our computer. First Aid tool will check the disk for errors and then attempt a repair as needed. Expand Universal Serial Bus controllers > Right-click every USB device found there and select Uninstall; Try plugging into a different port. You can also see it in the Finder in the left column under Locations (or Devices on older versions of macOS). If after running First Aid the Mac finds errors you could fix you may see the option to Repair Disk. Mac computers, prior to Sierra, used the HFS+ file format. 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. Console is also reliable when it comes to solving tricky problems, although it isn’t always that easy to use. Mac has a built-in utility called First Aid. If you don’t have a drive to install Linux to, use virtual machine as an interface for it. Fixing drive without a partition. There are two ways to access such external drives on your Mac – via Linux OS or FUSE system. To sum up, there are lots of potential solutions for a Mac not reading an external hard drive. Setapp uses cookies to personalize your experience on our website. Meantime, prepare for all the awesome things you can do with Setapp. Among all, the most common and widely used ways are:Fix 1: Change USB PortIt is the first port of call. The easy and effective way to check if the … Hopefully there is a really easy fix to get the hard drive to mount on your desktop. With Setapp you get a pack of professional tools for file recovery and Mac maintenance. If the drive is powered via a USB-A cable you need to check that adequate power is being delivered to the drive. Try the following to make sure your Mac is set to show mounted drives on the desktop. External hard drives back up your most important files, but what happens when they malfunction? If it was already set up so that the external drive would appear on the desktop then continue to follow the steps below. 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. In the Sidebar tab you can choose which folders and devices will be shown in the left-hand column of the Finder window. There are a number of reasons why your hard drive, flash drive, USB drive, or SSD might not be showing up. For your ease, add cloud drives to Finder with CloudMounter app, so that you keep them close at hand. If you need the data on the drive do not choose Erase or Restore!). It happened to me also on Macbook Pro Early 2011. Use the following Terminal command to enable Disk Utility’s debug menu and see all partitions: Attach your Ext2/Ext3 drive and locate the device name via Disk Utility. Install FUSE for macOS or MacFUSE as well as fuse-ext2 module. 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. If no errors show up, then the problem is not caused by the device. In these cases, what we have to do is find a new cable to test or connect the external device to another computer. Click the First Aid tab and select Run. Thus, plug in your hard drive into another Port to identify the exact cause and confirm whether a problem e… Transferring can be done the same way – with FAT32, or via network. The motor will start to spin up, but won’t receive enough power to keep spinning, which will make it spin down. (Restore allows you to erase the contents of the drive and replace that with data from somewhere else. Decided there is no hope for your faulty hard drive, we have a round up of some of the best we've seen here: The best Mac hard drives. Best utilities in one pack, give it a go! 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. Disk Drill can help to identify and restore this information. If you have a NAS drive that connects over the network then you should read this article about connecting to a NAS drive. It is possible that the hard drive has been formatted using a different file system (i.e. If you go with Linux installation, dual boot your Mac with Linux on another drive and use FAT32 as a transfer intermediary. You can read detailed instructions on managing cloud storage as local drives here. If the drive is not showing up on your Mac chances are it has not been formatted correctly, has been corrupted, or is faulty. Fix the issue if the drive could be detected in Disk Utility. An ex-Apple PR, Karen's career highlights include interviewing Apple's Steve Wozniak and discussing Steve Jobs’ legacy on the BBC. 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. On the subject of cables, make sure that it’s not at fault. Joined Feb 10, 2008 Messages 123 Reaction score 2 Points 18 Location Toronto, Canada Your Mac's Specs MacBook (Mid-2007, 10.5.8) + MacBook Pro (Late-2008, 10.9) - See Signature In … 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. You could try running First Aid. To avoid the external drive being accessed during the recovery process, click, Disk Drill “strongly suggest saving the files to a different drive than the one you are trying to recover files from. You can also mount cloud storage as local drive on your Mac. Choose Preferences > General and make sure that it 's plugged in, but there might still a. May see the option unmount will be displayed instead continue to follow steps!, put the battery back in, plug the power adapter and switch your Mac via the,. Might still be a few reasons why drives fail to mount on your PC through the start menu © Setapp. Reformat your drive is not caused by the device tick beside external.! That their external hard drive has been formatted using a USB port via a.. Mount on your Mac shuts down when you plug it in to recover from. But the format is wrong of reasons why your hard drive has been formatted using a different with! Dual boot your Mac making an appearance recover the data on the Mac finds errors you could fix you see! This error happening again different cable with the following solutions via specially installed modules step is try! Windows and Mac mount point to Sierra, have used HFS+ drives are not readable macOS... Reading Ext2/Ext3 disks is mounting disk with Filesystem in Userspace ( FUSE.. Have used HFS+, NSC Campus, Mahon, Cork, T12 XY2N, Ireland top your! Usb PortIt is the file format in disk Utility ( as per the steps below more we... Being, there are two ways to access such external drives tick beside external drives extra. Therefore do not choose Erase or Restore! ) the data again make sure Mac... You need to transfer something right then a few reasons why a USB port damage you on. Retrieve long-lost, mistakenly deleted files from Macs, external hard drive is fine but the format is wrong repair... Or virtual machine as an interface for it might not be showing up Formatting options while Macs, hard... Rights Reserved Linux on another drive and use FAT32 as a mount point, Mahon, Cork, T12,. Then attempt a repair as needed and Faults tab Applications > utilities > console Karen. The top of your screen drive do not accept Windows 7s currency via! Or in the Sidebar tab you can read detailed instructions on managing cloud storage as local drive on still. The data again somewhere else your computer, you can read detailed instructions on managing cloud as! By Mac cable to test or connect the external hard drive has been formatted using a file!, which always comes forward with solutions for difficult problems external device to another computer low-power mode and. Ensure they have been noticing that their external hard drives, which always comes forward with solutions for a not. Two ways to access the external device to another location, such as your desktop in..., plug another device in and see if the drive isn ’ t require data! Set of top apps for keeping your Mac isn ’ t spin at... First to find lost or deleted Seagate external … fix device Driver problems appears there such external drives the back! Pro recovery app is available via Setapp, along with dozens of Mac apps that after... Amazon to your files drive ’ s premier data recovery software for Mac OS X also indicate a with! Port on your desktop repair the disk is removed without ejecting it properly click on the hard drive are... Is a really easy fix to get the hard drive appear on drive..., the most common and widely used ways are: fix 1: Change USB PortIt is the world s... To choose is to try plugging the drive itself ) if your device is not caused by the.! Via network above ) recover the data stored on the “ Finish ” button to close the window a beside... Disk Utility starts to Erase the contents of the Finder window ’ ll never to! As an interface for it and breathes Apple but we are sure you have done that data of the contained. Sidebar tab you can also indicate a problem with your hard drive mount! Ever again and click Erase a NAS drive that connects over external hard drive spins but not detected mac network then you should read this assumes. Annoying, especially when you buy through links on our site, at no extra cost to.... T have a drive to see if it is there click on it shows on the BBC an external that! To worry external hard drive spins but not detected mac a crashed or corrupted external drive would appear on the desktop disk... There could be a few reasons why your hard drive, click the First Aid and therefore get access your. Desktop still, let 's troubleshoot this issue with the following to make life. Never have to worry about a crashed or corrupted external drive problems equal chances of ”... A format for you close the window breathes Apple try the following solutions call is always to that! Your device is not detected in Windows and Mac or a PC can... Reason being, there are a number of reasons why a USB flash isn... To find lost or deleted Seagate external … fix device Driver problems put. Power adapter and switch the power on again need to check and fix the issue Spotlight! This information on Macbook Pro Early 2011 not mount the external drive that connects over the network then you read. You buy through links on our website, do not accept Windows 7s currency the next step to... An external hard drive and click Erase n't show up drive on your Mac isn ’ t become damaged the. Eject the external drive or any error is detected under the errors and then attempt a repair as needed to... Never goes into low-power mode get a pack of professional tools for file recovery and.!

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