Hard Drive Not Loading Mac

“I have a 1TB WD Elements external hard drive and use it to store all my photos. Today, I connect it to my Windows 10 PC and will copy the photos from it to my PC, but the drive does not appear in This PC and I cannot access it. I reconnect it again and again, change to another USB port, try another USB cable, but still not work. Is there any any way to fix this issue? I really don’t want to lose all my photos.” - Cash

Actually, when you find your connected WD external hard drive won’t show up on your computer, you will change the USB cable, USB port and check the power adapter if it needs, etc. You also can check the software driver for the WD external hard drive. If it still can’t make your WD external hard drive be recognized by your computer, you can try the methods below to fix this issue. Of course, if you lose your files during the fixing processes, we will show you how to get the lost files back.

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Fix 1. Create New Volume if it shows unallocated.

Solution: Mac hard drive not appearing in the Disk Utility window is one of the worst problems a storage device could face. In most cases, the storage device is dead either entirely or partially. As far as an unmounted Mac hard drive is concerned, the drive still appears in the Disk Utility—though the drive seems to be greyed out. Part 2: Quick Fix The Issue of Seagate Hard Drive Not Showing up Mac 1. Check If Connected Properly. First things first, check if the Seagate external hard drive that is not showing up Mac. Troubleshoot the Seagate Hard Drive. (SOLUTION FIX)The USB memory key want to use a drive letter already in use. To fix it,click on start,right click on My Computer then click on Manage. If the above methods were not able to produce good results for you, the next method to fix Seagate external hard drive not showing up Mac is via Disk Utility. Here's what you need to do. Step 1: Launch the 'Spotlight search' by hitting the 'cmd + spacebar' key over your keyboard and punch in 'Disk Utility'.

First of all, open Disk Management (Click This PC > Choose Manage > Click Disk Management) on your computer. If you find your WD external hard drives shows unallocated, just create a volume for it. Right click the Unallocated space and choose ‘New Simple Volume’, then follow the wizard to create a new volume. After that, open This PC (or My Computer) to check if the WD external hard drive is showing up.

Fix 2. Assign a new drive letter for your WD external hard drive.

In most cases, your WD external hard drive can’t be recognized by your computer is caused by drive letter conflict or having no drive letter. It is easy to fix this issue by adding a new drive letter for it. Open Disk Management, find the WD external hard drive and right click it, choose Change Drive Letter and Paths. If the device doesn't already have a letter, click Add and choose one. If it does, click Change and try another one.

Fix 3. Format the WD external hard drive using Disk Management.

If your WD external hard drive gets crashed or the file system of it is incompatible, you can format it so that it can be recognized by your Windows computer. Open Disk Management > Right click the WD external hard drive > Choose Format to format it.

Fix 4. Recover lost data from unrecognized or formatted/initialized WD external hard drive.

Data recovery software can help you recover files from your WD external hard drive whether you have formatted/initialized it or not. Now, follow the steps below to get all files back.

Step 1. Download a reliable WD data recovery program - such as Magoshare Data Recovery. It can help you find all existing files, hidden files, deleted/formatted and lost files from your WD external hard drive.

External hard drive not loading mac

Step 2. Make sure the WD external hard drive has been connected to your computer and run Magoshare Data Recovery. Select the WD external hard drive to start data recovery.

Step 3. Click on Scan button, Magoshare Data Recovery will deeply scan the WD external hard drive and find every recoverable file.

Step 4. Once the scanning is completed, you can preview all recoverable files. Then select the desirable files and save them to your computer. Don’t save the recovered files to the WD external hard drive.

Fix 5. Repair crashed WD external hard drive with AweEraser.

AweEraser is a safe, powerful and easy-to-use data erasure & disk management program. If you have installed it on your computer, you can use it to help you repair your crashed WD external hard drive.

Clean Up Mac Hard Drive

1. Open AweEraser on your computer and choose Disk Tools. If you can see the WD external hard drive in the drive list, just select it then click on Repair button. This tool will scan the crashed WD external hard drive and help you fix minor logical errors. Mostly, it will fix the errors by formatting it.

2. If you are going to sell, donate or trade in your WD external hard drive, you can use Erase Hard Drive mode to help you fix the crashed WD external hard drive and permanently wipe all data from it so that no data can be recovered by the next owners.

Open AweEraser, choose data erasure mode - Erase Hard Drive. This mode will help you wipe and format your WD external hard drive. After erasure, all data on the WD external hard drive will be erased permanently, can’t be recovered by any data recovery method.

Select the WD external hard drive and click on Erase button. AweEraser will format and wipe the WD external hard drive. 100% safe.

Related Articles

External hard drives are often used to back up important data from our Windows PCs. If the drive should suddenly stop working, it could prove disastrous. But don't worry, we'll explain how to get it working again and save those precious files.

Applies to: Fix external hard drive, USB drive, SD card, internal HDD/SSD, etc., not working or responding error on Windows PC.

Quick Guide - Fix External Hard Drive Not Working/Responding Error in 3 Parts:

Workable SolutionsStep-by-step Troubleshooting
Part 1. Connect Non-Working External DriveChange USB cable, USB Port > Change PC...Full steps
Part 2. Restore DataRun software > Scan external hard drive...Full steps
Part 3. Fix Non-Working External DriveMethod 1. Check Disk Error
Method 2. Format External Hard Drive to NTFS
Method 3. Create New Volume...Full steps

The following solutions for fixing problems with external hard drives will work with any brand, including WD Elements, Seagate, SanDisk, Toshiba and others.

Causes of External Hard Drive Not Working/Responding

If your external hard drive suddenly stops working or cannot be recognized by your PC, don’t panic. There are many reasons why the drive has become problematic, such as these:

You don't have to buy a new external hard drive and give up all the precious data. First, check the causes that make your external hard drive not working:

  • Problematic connection
  • RAW, invalid or unsupported file system
  • Drive letter conflict or no drive letter
  • No partition
  • Not initialized
  • Outdated disk driver
  • USB Root Hub is outdated
  • Disk is physically damaged
  • ...

No matter the cause, if you follow the tips laid out below you should hopefully get the drive going once more or at least recover your data.

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If you are having a similar issue with your PC's hard drive, you can try the fixes below.

Are your hard drives, internal or external, not showing up in File Explorer or the Disk Management app on Windows? Follow these tips to make them recognizable to your system again.

Part 1. Make Non-Working External Hard Drive Detectable

Applies to: Fix an external hard drive not detected due to a connection problem.

If you encounter problems with an external drive suddenly not working or becoming undetectable to your PC, the first thing to check is the physical connection.

#1. Check and Change External Hard Drive Connection Cable

Start off by checking the connecting cable between your drive and PC:

  • If the USB connector has become loose in the port, just push it firmly back into place and see if that corrects the problem.
  • If the cable is broken or damaged, replace it with a new one and try again. In fact, even if you can’t see any obvious damage, it's worth swapping the cable in case there is a problem inside.

#2. Change a USB Port or Connect to a New Computer

If the cable appears fine, then it could be the USB port on your PC that's faulty.

Try plugging the drive into another one to see if that helps. If possible, you can also try connecting the drive to a different computer to see whether the problem is with the drive or PC.

#3. Check Power Management for USB Hub

If none of the above methods get the drive working again, you should check to see if the power management settings in Windows could be causing the issue. Here's what to do:

Step 1. In Run (Windows + R), type devmgmt.msc and hit Enter.

Step 2. Open Device Manager > expand 'Universal Serial Bus controllers'.

Step 3. Right-click USB Root Hub > Properties > Power Management > uncheck 'Allow the computer to turn off this device to save power'.

If your external hard drive is physically damaged, you’ll need to take it to a maintenance center for repair.

After following the tips above, hopefully, your computer should be able to detect and recognize your external hard drive. If that’s the case, you can try to open the drive and access the data.

If that’s not possible, don't worry. Move to Part 2 and we'll show you how to use the hard disk data recovery software to restore all your precious data.

Part 2. Recover Data Before Fixing a Non-Working Drive

After making the external hard drive detectable, we suggest that you recover any data stored on it immediately. This will not only ensure you have a copy of the files but also avoid the possibility of losing anything stored on the disk while trying the fix the problem. Here’s how to salvage your files.

3 Steps to Recover Data from External Hard Drive

To recover data from a problematic drive you’ll require dedicated software. EaseUS Data Recovery Wizard is the perfect tool for the job as it’s fast, reliable, and easy to use.

See how to restore data from the external hard drive on your own:

Step 1. Choose the external hard drive

  • Since you're going to recover data from an external hard drive, you need to correctly connect the drive to your Windows computer.
  • Run EaseUS Data Recovery Wizard and choose the exact external drive where you lost data.
  • Click Scan.

Step 2. Check the scan results

The software will immediately start scanning the selected drive for all lost data. During the scan, you can see more and more data showing up in the results. The Filter feature is there for you to quickly locate the files of one kind, such as Pictures, Word/Excel/PDF documents, Videos, etc.

Step 3. Preview and recover data

External Hard Drive Not Loading On Mac

  • Double-clicking a file will allow you to preview its content.
  • Choose the file(s) and click Recover.
  • Select a different drive to save the recovered files instead of the original one.

Don't save the recovered data on your external hard drive before fixing and making it work normally again.

Part 3. How to Fix 'External Hard Drive Is Not Working/Responding' Error

Now we'll look at how to repair the non-working or undetectable drive

To get a better idea of what needs fixing, open Disk Management in Windows and check the state of the drive.

  1. #1. Check and Fix Disk Errors on External Hard Drive - Disk Contains Corrupted File System Error
  2. #2. Format External Hard Drive to NTFS - Disk Shows RAW or Unsupported File System
  3. #3. Create A New Partition in External Hard Drive - Disk Displays as Unallocated
  4. #4. Assign a New Drive Letter to External Disk - Disk Shows as 'New Volume' with No Drive Letter
  5. #5. Initialize External Disk and Create a New Volume - Disk Is Unknown, Not Initialized

Methods 1-7 can fix most problems with non-working drives, but should that not be the case you can turn to methods 8 and 9 for help. Let's go through each method step by step.

Method 1. Check and Fix Disk Errors on External Hard Drive

Applies to: Fix external hard drive that's not working due to unknown disk error or corrupted file system.

Mostly, when an internal or external hard drive contains an unknown error or a corrupted file system, the Windows PC will be unable to detect or open the drive.

Here are two options you can try to fix these problems.

Option 1. Run Partition Manager Freeware to Fix External Hard Drive Not Responding Error

Download and install EaseUS Partition Master Free on your PC.

Step 1. Right-click the target partition that has a problem.

Step 2. Choose 'Advanced' > 'Check File System'.

Step 3. In the Check File System window, check the 'Try to fix errors if found' option.

Step 4. Click 'Start' to check errors on your partition.

Option 2. Run CMD to Manually Fix External Hard Drive Errors

Running chkdsk can hopefully fix the external hard drive errors, however, it can also result in total data loss. So, perform data recovery in advance, and then continue with the CMD method.

Step 1. Type cmd in the Search box, right-click to open Command Prompt.

Step 2. Right-click 'Command Prompt' and choose 'Run as administrator'.

Step 3. Type chkdsk /f /r /x g: and hit Enter to begin the checking process.

Note: Replace g with the drive letter of your external hard drive.

Step 4. When it's finished, type: exit and hit Enter to finish the process.

Your disk should now be detectable to Windows. If it still doesn’t work, there’s another option you can try.

Option 3. Run CMD Alternative to Fix External Disk File System Error

The Command line is a powerful way to fix problems on Windows, but it can also cause severe problems if you enter code incorrectly. Therefore, we strongly recommend you try EaseUS Clean Genius instead.

It's a practical and safe way to repair file system or disk error, as we’ll demonstrate below:

Click to DOWNLOAD EaseUS CleanGenius and install it on your computer. Let's start checking and refixing file system error on your device now.

Step 1. Click 'File Showing' to enter the next step.

Step 2. Choose the target device and tick the box of 'Check and fix file system error'. Click 'Execute' to start fixing the problematic device.

Step 3. When the fixing process completes, click 'here' to open and use your device.

Method 2. Formatting an External Hard Drive to NTFS to Repair the Fault

Applies to: Fix external hard drive not working/detected/responding error due to RAW or unsupported file system.

If your external hard drive shows up as RAW or with an Unsupported File System in the Disk Management app in Windows, the best solution is to reformat the drive

Here's how to reformat a drive that’s showing as RAW or with an Unsupported File System:

Step 1. In Run (Windows + R), type diskmgmt.msc and hit Enter.

Step 2. Go to Disk Management, right-click the external hard drive, and select 'Format'.

Step 3. Choose a file system like NTFS or exFAT and tick 'Quick format'. Click 'OK' to start the formatting.

When this is done, your external drive should be safe to use once more

Method 3. Create A New Partition in External Hard Drive

Applies to: Fix disk displays as unallocated in Disk Management that makes external hard drive not working.

Mostly, when your external hard disk shows as unallocated, it means that there is no partition in the disk. As a result, the computer cannot recognize it. To fix this issue, you need to first recover data from the disk first (as shown in Part 2).

Then, you can follow the steps below to create a new partition, making the external hard drive working again:

Step 1. Connect the unallocated external hard drive to your PC and open Disk Management.

Step 2. Right-click on the unallocated space of the external hard drive, select 'New Simple Volume'.

Step 3. Set partition size, drive letter and file system (NTFS), etc.

Step 4. Click 'Finish' to complete the process.

Method 4. Assign a New Drive Letter to External Disk

Applies to: Fix disk shows as 'New Volume' with no drive letter that causes external hard drive not responding.

Step 1. Go to Disk Management and right-click on your external hard drive.

Step 2. Go and select a new drive letter by clicking 'Change', and click 'OK' to confirm.

The non-responding drive should now be readable by Windows.

Method 5. Initialize External Disk and Create a New Volume

External Hard Drive Not Loading Mac

Applies to: Fix 'Disk Is Unknown, Not Initialized' that causes the external hard disk to not work nor be detected

Step 1. Right-click 'My Computer' > 'Manage' to run Disk Management.

Step 2. Here, right-click the Unknow external hard drive and click 'Initialize Disk'.

Step 3. Select the disk(s) to initialize and choose MBR or GPT partition style, then, click 'OK' to confirm.

Now the drive should be recognized as ‘unallocated’, so if you have data you need to recover, go back to Part 1 and use the EaseUS data recovery software to retrieve your files.

Step 4. Finally, right-click on the unallocated space on your external hard drive and create a new volume on it.

Method 6. Update Disk Driver

Applies to: Get non-responding external hard drive to show up and work by updating disk drivers.

Step 1. Right-click 'This PC' and choose 'Manage'.

Step 2. Click 'Device Manager' then expand 'Disk drives'.

Step 3. Find and right-click the problematic external drive and select 'Update driver'.

Step 4. Click 'automatically search for driver software online'.

Method 7. Uninstall Universal Bus Controllers

Applies to: Fix external hard drive not working issue by updating Universal Serial Bus controllers driver.

Step 1. Open 'Device Manager', find and expand Universal Serial Bus controllers

Step 2. Right-click on the USB controllers of your external drive and select 'Uninstall device'.

Step 3. Repeat to uninstall each USB controller one by one. Then restart the computer.

While rebooting the PC, Microsoft will automatically reinstall the USB controllers software for your not working external hard drive.

Method 8. Run Antivirus Software

Applies to: Fix virus or malware that causes your external hard drive not working.

Sometimes, the problem causing your drive to malfunction can be a virus or malware on your system. If you’ve tried the methods outlined above without success, another option is antivirus software. Here’s how to use it:

Step 1. Install and run antivirus software on your computer.

Step 2. Scan and unlock the external hard drive.

Step 3. Wait for the cleaning process to complete, then, restart the PC.

After this, reconnect your external hard drive to the computer and check if you can use it again.

Method 9. Turn to External Hard Drive Manufacturer or Repair Center for Help

If all else fails, the last option is to contact either the manufacturer of the hard drive or a local disk repair center for help. If the physical disk is damaged in some way or the firmware is outdated, then they may be able to help.

If you’re only interested in saving the data on the drive, then either may be able to assist you, plus you can contact EaseUS Data Recovery service to talk to one of our technicians.

For tough data loss problems such as reformatting drives, disk partition loss, repartition failures, and system boot errors, you may need help from professionals. EaseUS Data Recovery Experts offer a free diagnosis of your problem and can assist with a range of solutions, including:
1. Unformat the drive
2. Repair the RAID, RAW disk, or operating system
3. Recover lost partition (the one that cannot be recovered by software)

To Sum Up

On this page, we explained the causes of external hard drives not working, not responding, and not detecting errors. To make things easy for you, we divided the whole process into 3 parts:

Part 1. Make external hard drive detectable; Part 2. Recover data from the external hard drive; Part 3. Fix not working external hard drive with respective solutions.

The methods offered in this article can also be applied to repair and fix SD cards, memory cards, USB drives, flash drives, or hard drive partitions displaying similar issues.

It's recommended that you regularly create extra backups of your files to another secure location, with cloud storage services being an excellent and affordable option. But, if disaster should befall your drive, always remember that EaseUS Data Recovery Wizard is on hand to help.