This page mainly focuses on how to fix Maxtor external hard drive not recognized, Maxtor external hard drive not working, or Maxtor hard drive not opening issue without losing any data.

Maxtor storage devices

Maxtor External Hard Drive Not Recognized, Won't Open on PC

Maxtor is a brand of internal and external storage devices owned by Seagate. It has a serial of devices, including Maxtor OneTouch 4/3/2, Maxtor Z1 SSD, Maxtor M3 Portable External Hard Drive, and even Maxtor D3 Station External Hard Drive, etc. for personal users and business owners to store data.

Being like Seagate external hard drives, Maxtor users may also encounter diverse issues while using its storage devices to save data or transfer files on Windows or Mac computers. Don't worry if you are experiencing the same issues:

  1. Case 1 - "Maxtor external hard drive won't open on PC, what can I do to open it and get all data back?"
  2. Case 2 - "My computer cannot detect the Maxtor USB drive. Nothing shows up on my PC. So how do I fix this problem?"
  3. Case 3 - "My Maxtor external hard drive is neither recognized nor detected by my computer. How to make it detectable again?"

Maxtor external hard drive suddenly won't open or fails to show up on your PC? If you happen to be a user of Maxtor D3/One Touch or Maxtor portable USB drive, how will you fix such a problem? Is it possible to make the Maxtor external hard drive or USB drive detectable again? 

Follow through the provided methods in the following parts to make your Maxtor external or internal hard drive work normally again without losing any data.

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If you are having a similar issue on your hard drive, you may directly try the fixes below. 

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How to Fix Hard Drive Not Showing Up in Windows

Are your hard drives, be it new or old, internal or external, not showing up in File Explorer or Disk Management? Follow to learn how to make your hard drive showing up again in Windows 10/8/7 without losing data.

Hard drive not showing up

Part 1. Check Maxtor Internal/External Hard Drive State

Before you start fixing Maxtor external hard drive not recognized issue, you should first open Windows File Explorer and Disk Management to check its state. Then decide the exact problem that you are having and find out the right solution to fix the Maxtor drive issues.

Step 1. Connect your Maxtor external hard drive to PC.

Step 2. Double-click This PC or My Computer to open Windows File Explorer.

Step 3. Check if the device shows up or not.

If the Maxtor hard drive shows up but not openable or requires formatting, follow Part 2 to restore data first with reliable EaseUS Data Recovery Wizard

Maxtor hard drive shows up but requires formatting

If the Maxtor device not showing up or recognized, continue with Step 4 to check its state in Disk Management.

Step 4. Right-click Windows icon and select Disk Management to open it.

Step 5. Check its' state in Disk Management:

If your Maxtor external hard drive or USB shows as RAW or unallocated, move to Part 2 to restore data first. 

Maxtor hard drive shows up as unallocated or RAW in disk management

If the Maxtor hard drive shows as unknown, offline, no media, or new volume, refer to Part 3 for practical fixes.

Maxtor hard drive shows up as unknown, offline, no media in disk management

If the Maxtor internal or external hard drive doesn't show up in Disk Management at all, take it to a local device repair center. You'll need a manual disk repair service for help.

Part 2. Restore Data from Maxtor External Hard Drive

Applies to: Restore data from inaccessible, unopenable, RAW, unallocated Maxtor internal/external hard drive, avoiding data loss.

In order to prevent further data loss, we recommend you take action to restore data from Maxtor external or internal hard drive immediately. All you need is a powerful EaseUS Data Recovery Wizard to restore all lost data on Maxtor external hard drive, USB, etc devices.

EaseUS Data Recovery Wizard is capable of scanning and restoring everything from your Maxtor external hard drive or USB drive with ease.

 Download for Win Recovery Rate 99.7%
 Download for Mac Trustpilot Rating 4.6

3-Step Tutorial: Recover Data from Maxter External/Internal Hard Drive

Step 1. Use a correct USB cable to connect your external hard drive to your computer. Run EaseUS Data Recovery Wizard and you will see your external disk under External drives. This software supports all the popular external disk brands, including WD, Seagate, Toshiba, LaCie, SanDisk, Samsung, etc. 

Select the external hard drive and then click the "Scan" button. 

select your seagate external hard drive and click scan

Step 2. As soon as the scan process starts, the software will find more and more lost and deleted data and display the data in the scan results. The recovered data will be nicely organized. You can quickly find the target files/folders by file type or search in the search box with exact file name. 

scan the lost data on the seagate external hard drive

Step 3. You can preview the files found by EaseUS Data Recovery Wizard's scanning algorithms. Then, select files and click "Recover". To avoid data overwriting, we recommend that you save the recovered data to a different drive than the original Seagate drive.

select files and click recover

Remember to save the recoverable data to another secure location in case of further data loss. After restoring valuable data from the Maxtor external hard drive, you can now move to Part 3 and pick up a reliable resolution to make your device back to work again.

Part 3. 13 Fixes for Maxtor External Hard Drive Not Recognized/Not Showing or Not Working Issues

Applies to: Fix Maxtor external hard drive/hard drive not recognized, not working, or not showing up error on Windows 10/8/7/XP/Vista, etc.

In this part, you'll learn several practical methods to get Windows to recognize your Maxtor external hard drive or to make Maxtor internal hard drive work again:

  1. #1. Change USB Port
  2. #2. Change Drive Letter
  3. #3. Initialize Maxtor Hard Drive and Create a New Partition
  4. #4. Active Maxtor Hard Drive Online
  5. #5. Enable Legacy USB Support in BIOS
  6. #6. Disable USB Selective Suspend Setting
  7. #7. Uninstall or Reinstall Disk Driver
  8. #8. Check Disk Error Using Disk Error Checking or CHKDSK Command
  9. #9. Repair Bad Sectors
  10. #10. Format Maxtor External Hard Drive
  11. #11. Run Windows Troubleshooter 
  12. #12. Update Windows to the Latest Version
  13. #13. Clean Up Virus

Note that, if your Maxtor hard drive or external USB drive not recognized or not showing, try Method 1 - Method 7 to make your drive show up or detectable again.

If your Maxtor or other brands of internal/external hard drive is not working, try Method 8 - Method 13 to make your drive back to work again. 

Fix 1. Change USB Ports and Reboot PC in Safe Mode

Maxtor USB hard drives are connected to a computer via USB cable, so when your storage device is not recognized by your computer, changing the USB ports can help:

  • Step 1: Connect the Maxtor external hard drive or USB to another USB port on your PC. Try all the available USB ports and see if it shows up.
  • Step 2:Try to connect your Maxtor drive to your family's or colleagues' computers. Is it showing up there?
  • Step 3:Use a screwdriver to open the tower case, and connect the Maxtor drive to the motherboard USB ports in the back of the tower.

If nothing shows up, never mind, you can reboot PC in safe mode:

  • Step 1: Go to Settings, click on Update & security;
  • Step 2: Click on Recovery, select Advanced Startup and click Restart now;
  • Step 3: The PC will automatically boot into another Startup Settings screen, press F4 to initiate the PC reboot into Safe Mode.

Then check whether the Maxtor external hard disk or USB drive can be detected or recognized on your computer.

Fix 2. Change Drive Letter

When Maxtor external or internal hard drive doesn't have a drive letter, only display as a new volume in Disk Management, it won't be detected by Windows File Explorer.

You'll need to add a drive letter to your device using Disk Management:

  • Step 1:Connect Maxtor external hard drive to your PC, and open Disk Management. 
  • Step 2: Right-click the Maxtor volume and select "Change Drive Letter and Paths".
  • Step 3: In the new window, click "Change". Assign a new drive letter to your USB and click "OK".

Change drive letter

Fix 3. Create a New Partition 

If your Maxtor hard drive displays as unallocated or unknown in Disk Management, it won't be detected by Windows File Explorer. You'll need to initialize the disk and create a new partition on the drive so to make it usable again.

Initialize Hard Drive:

  • Step 1: Connect Maxtor hard drive to PC, and open Disk Management.
  • Step 2: Find the uninitialized, unknown external hard drive, right-click on it, and select Initialize Disk.
  • Step 3: Then set the disk to initialize and set the disk as MBR or GPT.

initialize external hard drive to mbr or gpt to fix unknown not initialize error

Create a New Partition on Maxtor Hard Drive:

  • Step 1: Keep Maxtor external hard drive connected to your PC and open Disk Management. 
  • Step 2: Right-click on the unallocated space and select "New Simple Volume".
  • Create new simple volume on unallocated space of hard disk.
  • Step 3: Set a new drive letter, file system, and size for the new volume.
  • Step 4:Follow the onscreen instruction guidelines to finish the process.
  • Finish creating new volumes on unallocated space of hard disk

Fix 4. Active Maxtor Hard Drive Online

When Maxtor external or internal hard drive is offline in Disk Management, it also cannot show up in Windows File Explorer. You can set the hard drive online using Disk Management with the following steps:

  • Step 1:Keep Maxtor hard drive or external device connected to PC and open Disk Management.
  • Step 2: Locate and right-click on the Maxtor disk, select "Online".
  • Active hard drive

Fix 5.  Enable Legacy USB Support in BIOS

If the Maxtor hard drive is not enabled in BIOS, your computer motherboard won't be able to detect it. Then Windows cannot recognize it either. 

Here is how to enable USB support for the Maxtor hard drive in BIOS:

  • Step 1:Restart PC, press F2/F8/F11 to enter BIOS.
  • Step 2:Go to the Advanced tab, select "USB Configuration".
  • Step 3: Select Legacy USB Support and set its state as "Enabled". Save the changes and exit.
  • Enable legacy USB in BIOS

Fix 6. Disable USB Selective Suspend Setting

  • Step 1:Type power plan in Windows Search box and hit Enter
  • Step 2:Enter Power Options, select "Change plan settings" > "Change advanced power settings".
  • Step 3:Expand "USB settings" > "USB selective suspend setting" > "Setting" > "Disabled".
  • Step 4:Click "OK" > "Apply" to save the changes
  • Disable USB selective suspend setting

Fix 7. Uninstall or Reinstall Disk Driver and USB Controllers

When the hard drive driver is outdated, you may also not be able to view or find the Maxtor device on your PC. You can update your disk drivers and USB controllers to make the Maxtor external or internal hard drive detectable again:

Update Disk Driver:

  • Step 1: Right-click on This PC or My Computer, select "Manage".
  • Step 2: On Computer Management, select "Device Manager".
  • Step 3: Expand Disk drives, right-click on your hard drive which is not showing up, and select "Update driver".
  • Update hard disk driver
  • Step 4: Select "Search automatically for updated driver software".

Update USB Controllers:

  • Step 1: Open the Run box (Windows + R), type devmgmt.msc and hit Enter.
  • Step 2: Expand 'Universal Serial Universal Serial Bus controllers' > right-click each USB device found there and select 'Uninstall'.
  • uninstall device driver

Check out whether any device shows up as unrecognized or not:

  • If the Maxtor external hard drive shows as unrecognized, go to the 'drivers' tab and delete/uninstall the driver; Then check out if the external hard drive shows up in My Computer/My PC.
  • If it shows up but disappears later, repeat the above steps and go to Disk Management, change the drive letter of your Maxtor external hard drive or USB and reconnect it to the PC to detect the Maxtor drive again.

The above solutions are designed for fixing Maxtor hard drive not recognized, not showing issues. If your hard drive or external USB can be detected but is not openable or inaccessible, check and follow fixes below to make your drive work normally again.

Fix 8. Check Disk Error 

When your hard drive contains disk error or file system errors, it may not be able to be accessed. You can either use Disk Checker or CHKDSK command to fix errors on your hard drive. Here are the steps:

Check Disk Error using Disk Error Checking

  • Step 1: Right-click This PC/My Computer > Select "Manage".
  • Step 2:In Disk Management, right-click on Maxtor external hard drive or USB drive and select Properties > Tools.
  • Step 3:Click 'Check' under 'Error checking' to check and repair the drive for file system errors.
  • check and fix file system errors
  • Step 4:After this, right-click on the Maxtor drive and click Properties.
  • Step 5:Click Security > Edit > check all boxes for Authenticated Users, System, Administrators, and users under Allow permission.
  • Step 6:Click Apply and OK.

Check Disk Error using CHKDSK CMD

Caution: The CHKDSK command works to fix inaccessible or corrupted storage devices, but it will cause permanent file loss. So make sure that you recover data with reliable EaseUS Data Recovery Wizard before applying this fix.

Repair not working Maxtor external hard drive/USB with CMD, follow the guide:

  • Step 1:Type cmd in Windows Search and hit Enter.
  • Step 2: Right-click Command Prompt and select "Open as administrator".
  • Step 3: Type diskpart and hit Enter.
  • Step 4: Type: chkdsk g: /f /r /x (g should be the drive letter of your Maxtor external hard drive.) and hit Enter.
  • Step 5: Type: exit to finish the process when the disk checkup process is finished.

Now your Maxtor external hard drive or USB drive should be accessible to be opened and work normally. 

Fix 9. Repair Bad Sectors

Fix 'Maxtor external hard drive undetectable' error with partition manager freeware - EaseUS Partition Master, follow the guide:

  • Step 1: Launch EaseUS Partition Master Free and right-click the partition that you want to check by clicking "Check partition".
  • Step 2: Choose the way that you want to use to check partition: Check Partition Properties, Call Windows Chkdsk to fix errors, or Surface Test. Click OK. 
  • Step 3: Let EaseUS Partition Master automatically check the hard disk partition errors and repair errors for you. Click OK to finish the process.

Fix 10. Format Maxtor External Hard Drive

If Maxtor external hard drive or USB is with RAW file system or becomes inaccessible, you can format it to NTFS or other formats flexibly, making the device usable again:

  • Step 1: Open Windows File Explorer, right-click on the inaccessible external hard drive or internal hard drive partition and select "Format".
  • Step 2: On the format window, select the desired file system - NTFS for your device.
  • Step 3: Check "Quick Format" and click "Start".
  • format SD card using file explorer

Fix 11. Run Windows Troubleshooter

  • Step 1: Open Windows Setting, go to Update and Security.
  • Step 2: Click "Troubleshoot", go to "Hardware and Devices". 
  • Step 3: Click "Run the troubleshooter" and wait for the process to complete.
  • Run Windows troubleshooter to make Maxtor external hard drive work again
  • Step 4: Once the scan process completes, choose the found issue that you want to fix and click "Next". 

Fix 12. Update Windows to the Latest Version

Step 1: Go to Windows Settings, click "Update and Security".

Step 2: Click "Windows Update" and select "Check for updates". 

Step 3: Click "Install Now" if new update is available.

  • Check for and install Windows update

Fix 13. Clean Up Virus

Sometimes, unknown viruses or malware infections may also cause data loss or storage device unopenable issues. If you are having such a problem, downloading any virus cleaner tool to clean up the virus first.

Clean Up Virus:

Step 1: Download or install any one of the following virus cleaner software on your PC.

  • ①. Norton AntiVirus; ②. Kaspersky Anti-Virus; ③. Avast; ④. ESET NOD32 Antivirus; ⑤. Avira.

Step 2: Connect your problematic Maxtor device to your computer and run the antivirus software.

Step 3: Select to scan and clear virus and malware on your Maxtor hard drive or external hard drive.

After this, you can then try to open and check your files saved in the Maxtor storage devices. If files get lost, don't worry. EaseUS Data Recovery Wizard with reliable file recovery features can help you out.

 Download for Win Recovery Rate 99.7%
 Download for Mac Trustpilot Rating 4.6


This page covers 13 solutions to help Maxtor users effectively fix Maxtor external hard drive, Maxtor HDD/SSD, USB drive not recognized, not showing, and even not working issue on Windows PC.  

If you have valuable files saved on the storage devices, turn to professional hard drive data recovery software for help. EaseUS Data Recovery Wizard is one of them and it's ready to help to rescue your data anytime.

FAQs About Maxtor External Hard Drive Not Recognized 

Some of you may have more problems with fixing not working Maxtor or other brands of storage devices. If you are one of them, check out the following questions and answers. You may find answers and solutions here.

1. What to do if Maxtor hard drive/external hard drive not recognized in Disk Management?

When your external hard drive doesn't show up in Windows File Explorer and Disk Management at all, what can you do? Here are some tips for you to try:

  1. #1. Unplug Maxtor external hard drive and replug it to PC correctly.
  2. #2. Change the USB port.
  3. #3. Change the USB connection cable, power cable. 
  4. #4. If nothing appears, take your storage device to a local disk repair center. A manual disk repair service is what you need.

2. How to fix Maxtor hard drive not working on Mac?

If you are a Mac user and your Maxtor external or internal hard drive is not working on Mac, try the following fixes:

  1. #1. Re-insert the Maxtor external hard drive to Mac
  2. #2. Change USB data cable
  3. #3. Change the USB port or connect Maxtor external hard drive to another computer
  4. #4. Format Maxtor hard drive or external hard drive for Mac
  5. #5. Reset NVRAM: Restart Mac > Press: Options + Commands + P + R keys for 20 seconds > release the keys if Mac restarts.
  6. #6. Set Maxtor external hard drive to show up on the desktop: Finder > Preferences > General > Check External disks/Hard disks.
  7. #7. Send Maxtor external hard drive to a local repair center if it doesn't show up at all after trying the above fixes.

3. How to access my Maxtor external hard drive?

  1. Connect one end of the USB cable to the USB port on your Maxtor hard drive.
  2. Turn on your portable hard drive. 
  3. Click "Open folder to view files" then click "OK." This will open your Maxtor hard drive to reveal any files or content saved to it.
  4. Locate the files you want from your computer, then right-click each one.

4. How do I get Windows 10 to recognize my external hard drive?

Open Disk Manager by pressing Windows + R, in the run prompt type diskmgmt. msc, hit Enter key, it will open the disk management that will list all the disks that are connected to the computer. Check if you can see the USB drive.

Note that if you have precious data saved on your Maxtor external hard drive, always remember to run a reliable data recovery software like EaseUS Data Recovery Wizard for Mac to bring your file out of problematic storage devices.

 Download for Win Recovery Rate 99.7%
 Download for Mac Trustpilot Rating 4.6

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Updated by Cedric

Cedric Grantham is one of the senior editors of EaseUS who lives and works in Chengdu, China. He mainly writes articles about data recovery tutorials on PC and Mac and how-to tips for partition management. He always keeps an eye on new releases and loves various electronic products.

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Written by Tracy King

Tracy joined in EaseUS in 2013 and has been working with EaseUS content team for over 10 years. Being enthusiastic in computing and technology, she writes tech how-to articles and share technical solutions to resolve Windows & Mac data recovery, data backup, partition management, data transfer, Windows update issues, etc.

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