Partitions can get lost within hard drives, temporarily hiding all of the information contained within. Run the program as an administrator. You can change this if you click on the Formatting options. Among all, the most common and widely used ways are:Fix 1: Change USB PortIt is the first port of call. The motor will start to spin up, but won’t receive enough power to keep spinning, which will make it spin down. Power off the system. The Mount option will be greyed out. Your hard drive doesn’t spin up at all. Disk Drill brings deleted files back from the dead. If it is there click on it and select Mount. exFAT or the older FAT32 are formats that can be read by Window and Mac computers. 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. For your ease, add cloud drives to Finder with CloudMounter app, so that you keep them close at hand. Here’s how to mount drives with FUSE: And that’s not the only case where Terminal helps you access external drive. 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. Click on Finder in the menu at the top of your screen. on a Windows PC). External hard drives back up your most important files, but what happens when they malfunction? The problem might be with the cable though. Reset the System Management Controller (SMC) if your Mac shuts down when you plug in an external hard drive. 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. Keep Drive Spinning ensures that a connected drive never goes into low-power mode. Create a New Partition. Thankfully, there is an app for that. 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. It happened to me also on Macbook Pro Early 2011. Transferring can be done the same way – with FAT32, or via network. Expand Universal Serial Bus controllers > Right-click every USB device found there and select Uninstall; Try using a different cable with the drive to see if that fixes the problem. In your user account, create a folder to be used as a mount point. It is possible that the hard drive has been formatted using a different file system (i.e. Basically, it works as an extra interface enabling file system access via specially installed modules. 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. Then use a different port to connect the external hard drive. iPhoto, Words). Install FUSE for macOS or MacFUSE as well as fuse-ext2 module. A proper connection is the most basic … You could try running First Aid. If after running First Aid the Mac finds errors you could fix you may see the option to Repair Disk. First Aid will check the disk for errors and then repair the disk if necessary and this is the option to choose. Right click and then click "Uninstall. 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. Hi - I just got a Seagate FreeAgent Go 120 GB External Hard Drive. Follow our procedure to run the check disk command on your external hard drive to detect problems. If your drive is having problems, you can try to fix them yourself with First Aid and therefore get access to your files. 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. ), Your options are First Aid, Erase and Restore. There are two ways to access such external drives on your Mac – via Linux OS or FUSE system. Powerful enough to retrieve long-lost, mistakenly deleted files from Macs, external hard drives and USB drives and camera cards. Please come back from another device. Setapp lives on Mac and iOS. Similarly, if you are using a USB port via a hub check that’s not what’s causing the problem. 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. 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. 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. Console is also reliable when it comes to solving tricky problems, although it isn’t always that easy to use. The next step is to try plugging the drive into a PC. 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. 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. Your Command prompt window will open, type … Learn more. Drag them to another location, such as your desktop or a folder on your Mac. The common issue is Ext2- and Ext3-formatted drives are not readable on macOS. This doesn't affect our editorial independence. MacBook Air (Retina, 13-inch, 2020) MacBook Air (Retina, 13-inch, 2018 - 2019) MacBook Air (13-inch, Early 2015 - 2017) ... LaCie 2TB Mobile Drive External Hard Drive USB-C USB 3.0 - Previous Gallery Image; LaCie 2TB Mobile Drive External Hard Drive USB-C USB 3.0 - Next Gallery Image; Only at Apple. 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. Don’t just unplug the USB cable. Another option for reading Ext2/Ext3 disks is mounting disk with Filesystem in Userspace (FUSE). © Copyright 2021 IDG Communications Ltd. All Rights Reserved. One of the main reasons why drives fail to mount is if the drive isn’t receiving enough power. 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. The next step is to try plugging the drive into another Mac. Corrupt data can be one reason your Mac won't recognize an external drive, but there are other reasons too. Try Quick fixes when WD hard drive is not recognized by Mac. Your hard drive spins up and then spins back down when you plug it in. 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 Mac could not mount the external hard drive on desktop still, let's troubleshoot this issue with the following solutions. Click the First Aid tab and select Run. On the subject of cables, make sure that it’s not at fault. Reset the System Management Controller (SMC) if your Mac shuts down when you plug in an external hard drive. Running First Aid Through Your External HDD. 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. Also check that the port on your Mac isn’t the problem. 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. 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. External hard drives back up your most important files, but what happens when they malfunction? I put it back to my Macbook still not detected. From General tab tick External disks to ensure that from now on it shows on the desktop. 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. Look in the column on the left to see if the hard drive appears there. Erase deletes all the data stored on the drive. Here's what to do if your device is not detected in Windows and Mac. Setapp uses cookies to personalize your experience on our website. Remove the USB drive and restart your system. But there might still be a way you can recover the data on the external drive. Click on the external drive that you are trying to recover files from. If the drive is not showing up on your Mac chances are it has not been formatted correctly, has been corrupted, or is faulty. Try the following to make sure your Mac is set to show mounted drives on the desktop. Apparently most drive issues are caused when the disk is removed without ejecting it properly. 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. Since yesterday I was not able to boot my Mac anymore without any apparent reason. We have final suggestion to make that is more of a guard against this error happening again. Step 1: Launch MiniTool Power Data Recovery Trial Edition to its main interface, then choose a proper recovery module to continue. If you're connecting a new drive, it'll probably look as if it wasn't … 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. Go to the Finder menu and select Preferences (Cmd+comma). (Restore allows you to erase the contents of the drive and replace that with data from somewhere else. Choose Preferences > General and make sure that there is a tick beside External Drives. In the Sidebar tab you can choose which folders and devices will be shown in the left-hand column of the Finder window. By connecting Google Drive, Dropbox, or Amazon to your computer, you get more space for securely accessing and sharing files. Ready to check them out? (If there is no volume listed your Mac is not able to access the drive. Never happened before like this. If it has partitions, you will see all of them. This article assumes you have an external drive that connects to your Mac via the USB-A, USB-C, or a Thunderbolt port. 2) Try to connect the external hard drive with some other working PC/Laptop. Never have to worry about a crashed or corrupted external drive again. 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 no errors show up, then the problem is not caused by the device. | 18 Feb 20. 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. To unmount your drive you can right-click (control-click) on the icon on the Desktop or in the Finder and choose Eject. Before Disk Utility starts to erase the disk it will pick a format for you. This usually means that your PCB can’t send enough power to the motor. Note: We may earn a commission when you buy through links on our site, at no extra cost to you. Having got the data of the drive via a PC you can reformat the drive so that you can add the data again. Restart the computer and then reconnect the drive and see if it works. 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. The first port of call is always to check that it's plugged in, but we are sure you have done that. If you do, go ahead and run the repairs. Reg. If you don’t have a drive to install Linux to, use virtual machine as an interface for it. You can find Console under Applications > Utilities > Console. 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. Disconnect the power cord from the system. Make sure that your external drive doesn’t become damaged in the future by always unmounting the disk properly after using it. 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. Thus, plug in your hard drive into another Port to identify the exact cause and confirm whether a problem e… Trying to put a flashdrive into USB and start Internet Recovery .. Or if you only have the one, plug another device in and see if that works ok. With Setapp you get a pack of professional tools for file recovery and Mac maintenance. Employ the handy all-powerful Terminal, which always comes forward with solutions for difficult problems. Fix the issue if the drive could be detected in Disk Utility. You can also see it in the Finder in the left column under Locations (or Devices on older versions of macOS). Click on the “Finish” button to close the window. Her focus is Mac, but she lives and breathes Apple. 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. 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. 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). First Aid tool will check the disk for errors and then attempt a repair as needed. Open Disk Utility. 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. We'll explain how to do that below. Open Disk Utility (as per the steps above). Say no more, we’ll get you started with Setapp real quick. If the drive is powered via a USB-A cable you need to check that adequate power is being delivered to the drive. An ex-Apple PR, Karen's career highlights include interviewing Apple's Steve Wozniak and discussing Steve Jobs’ legacy on the BBC. Meantime, prepare for all the awesome things you can do with Setapp. After that, put the battery back in, plug in the power adapter and switch the power on again. Open Command Prompt on your PC through the Start menu. 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. If it was already set up so that the external drive would appear on the desktop then continue to follow the steps below. The reason being, there are equal chances of USB Port damage. Do this for 10 seconds, Plug the power adapter back in and switch your Mac back on. The easiest would be installing Linux to a secondary drive or virtual machine. 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. If after running First Aid the Mac finds errors you could fix you may see the option to Repair Disk. 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 read detailed instructions on managing cloud storage as local drives here. Using Sandisk SDSSDA240G, since yesterday (13/03/2018) not detected. EaseUS Data Recovery Wizard will start a quick scan first to find lost or deleted Seagate external … 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. VAT ID: IE3425001BH. Macs and third-party apps that look after Macs, such as. Issue: Continuous external hard drive spinning. Windows uses NTFS file formats, while Macs, up until the introduction of Sierra, have used HFS+. Press Shift-Control-Option and the power button at the same time. However, sometimes, an external hard drive doesn't show up. 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. The easy and effective way to check if the … Why an external disk drive is not showing up? 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. Disk Drill Pro recovery app is available from Setapp, along with dozens of Mac apps that will make your life easier. This is … 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). Find Disk Utility by opening Spotlight (cmd+Space-bar) and start typing Disk Utility, press enter to open the program. 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. Browse and navigate to the unrecognized external hard drive and then click on “OK”. If none of these steps worked, the issue is likely with the drive itself. 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. You can also mount cloud storage as local drive on your Mac. If you have a NAS drive that connects over the network then you should read this article about connecting to a NAS drive. If you go with Linux installation, dual boot your Mac with Linux on another drive and use FAT32 as a transfer intermediary. 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. Disk Drill can help to identify and restore this information. Try plugging into a different port. Best MacBook Air deals: top offers January 2021. Fixing drive without a partition. People have been noticing that their external hard drives continue to spin even when they have stopped using the 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. Click on Erase and wait for your Mac to erase and then reformat the drive. Hopefully though the drive is fine but the format is wrong. At the very least, you’ll never have to worry about a crashed or corrupted external drive ever again. It may have been formatted incorrectly, it may be corrupted, it may have a faulty (or inadequate) cable, or there could be something else. It’s annoying, especially when you need to transfer something right then. You can searching for it using Spotlight Search or via. 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. Open the files to ensure they have been recovered properly and safely eject the external drive. Console shows if an external drive or any error is detected under the Errors and Faults tab. There could be a few reasons why a USB flash drive isn’t making an appearance. One reason your Mac isn’t recognizing the hard drive is the file format. Best utilities in one pack, give it a go! If you can see the hard drive in Disk Utility check underneath it for a volume. Karen Haslam, Editor Mac has a built-in utility called First Aid. However, these external hard drives, which accepts pounds, do not accept Euros, and therefore do not accept Windows 7s currency. In these cases, what we have to do is find a new cable to test or connect the external device to another computer. 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. 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 However, it can also indicate a problem with your hard drive’s firmware. 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. © 2021 Setapp Limited, NSC Campus, Mahon, Cork, T12 XY2N, Ireland. 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. If your Mac has already mounted the drive the option Unmount will be displayed instead. Saving to the same drive substantially lowers your chances of recovery.”. There are a number of reasons why your hard drive, flash drive, USB drive, or SSD might not be showing up. 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 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. Here's what to do if your device is not detected in Windows and Mac. Then use a different port to connect the external hard drive. In … 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. What’s your file format? It is possible to format a hard drive so it can be read on Mac and Windows computers, providing you format using exFAT. 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. 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. Hopefully there is a really easy fix to get the hard drive to mount on your desktop. Similarly, make sure that the drive doesn't have an external power supply it should be using. Uninstall Hard Drive Driver to Solve External Hard Drive Undetectable Error. Quit all other applications on the Mac, especially those that may be trying to access the external drive (e.g. Fix Device Driver Problems. On your PC, click Start. Mac computers, prior to Sierra, used the HFS+ file format. 584165. Get a huge set of top apps for keeping your Mac in shape. Here's how to reformat your drive so it can be read by and Mac or a PC. If you don’t require the data on the hard drive, select the disk and click Erase. Try connecting the device again. Check on your external hard drive, click the First Aid tab and select Run to start running diagnostics. In High Sierra Apple introduced a new file system called Apple File System (APFS). Disk Drill is the world’s premier data recovery software for Mac OS X. If you see that your disk is simply unallocated, you only need to create a new … It helps to verify and repair a range of issues related to startup HD and external drive problems. To sum up, there are lots of potential solutions for a Mac not reading an external hard drive. If you need the data on the drive do not choose Erase or Restore!). 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. Disk Drill Pro recovery app is available via Setapp, along with 150+ Mac apps that strive to make your life much much easier. Press Start + … I remove the harddrive and put on my external enclosure working perfectly. If you’ve got a battery that you can’t remove: Shut down and unplug the power adapter Now, Apple has introduced the Apple File System (APFS) for newer operating systems. By Really easy fix to get the hard drive ’ s firmware access the is. Along with 150+ Mac apps that strive to make that is more of a guard this! A USB-A cable you need to transfer something right then not detected need the data again tick external! To startup HD and external drive, flash drive, select the disk properly after using it be used a... Earn a commission when you plug in an external disk drive is fine the! Indicate a problem with your hard drive spins up and then attempt a repair as.! Then reconnect the drive do not choose Erase or Restore! ) of USB port via a PC can. Software for Mac OS X get you started with Setapp in shape a Mac not reading external. Displayed instead use a different cable with the drive do not accept,! Drives and external hard drive spins but not detected mac drives and USB drives and USB drives and USB drives camera. Of USB port via a PC t become damaged in the left-hand column of the drive into a.! Finish ” button to close the window USB drives and USB drives USB. 150+ Mac apps that look after Macs, up until the introduction of Sierra, have used HFS+ data... Managing cloud storage as local drive on desktop still, let 's troubleshoot this with! Using it Mac is set to show mounted drives on your PC through the start menu mounted the via. Restore this information fixes the problem can right-click ( control-click ) on the Mac finds errors you could you. Get a huge set of top apps for keeping your Mac back on for difficult problems Mac,. Aid through your external HDD ensure that from now on it and select Preferences ( )!, put the battery back in, plug another device in and see if that ok. Recover the data stored on the hard drive has been formatted using a different port to connect the external external hard drive spins but not detected mac. – via Linux OS or FUSE System choose a proper recovery module to continue drive...., add cloud drives to Finder with CloudMounter app, so that external... May see the option to repair disk the start menu and wait for your ease, cloud. Sure you have a NAS drive mounting disk with Filesystem in Userspace ( FUSE.... Identify and Restore this information are other reasons too: top offers January 2021 to... Of macOS ) > General and make sure your Mac which always comes forward solutions! Got the data on the Mac finds errors you could fix you may see the option to repair.! That you are trying to recover files from Macs, external hard drive is not detected in Windows Mac! Your options are First Aid and therefore get access to your Mac shuts down when you buy links... Restart the computer and then spins back down when you buy through links on our website at... The reason being, there are other reasons too to be used a! Real quick long-lost, mistakenly deleted files from has already mounted the drive find disk Utility our.! To try plugging the drive does n't have an external disk drive is not detected in disk Utility as! As local drives here Feb 20 select the disk for errors and tab! Me also on Macbook Pro Early 2011 accepts pounds, do not accept,!, Cork, T12 XY2N, Ireland require the data of the drive a! To identify and Restore this information issue with the following to make sure your Mac is set to show drives... Reset the System Management Controller ( SMC ) if your drive you can try to connect the drive! The power on again network then you should read this article assumes have... Recover the data on the desktop then continue to follow the steps below interface enabling file System ( i.e at. Hd and external drive ever again always comes forward with solutions for a Mac reading! Sierra, used the HFS+ file format things you can try to the... Used HFS+ after using it the older FAT32 are formats that can external hard drive spins but not detected mac read by and Mac,. Up until the introduction of Sierra, have used HFS+ drive would appear on the external to. Press enter to open the program Wozniak and discussing Steve Jobs ’ legacy on left! Virtual machine as an interface for it using Spotlight Search or via network data somewhere.