Quick Guide to Fix Apricorn USB 3.0 External Hard Drive Not Recognized Error:

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With the widespread use of USB, USB 3.0 hard drives are becoming more and more popular over the past few years. However, many Windows users have run into a generic Windows not recognizing the USB 3.0 problem. Are you having a USB 3.0 external hard drive not recognized in Windows 10/8/7 error?

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This page takes Apricorn USB 3.0 not recognized issue as an example to show you how to fix and make a not detected or even not showing external hard drive to show up on PC and work normally again without losing any data. The provided fixes are also appliable on other brands of external hard drive, USB, or even SD card.

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PAGE CONTENT:

Causes of Apricorn USB 3.0 Not Recognized in Windows 10
Part 1. Quick Fix Apricorn USB 3.0 Not Recognized in Windows 10 (3 Fixes)
Part 2. Fix USB 3.0 External Hard Drive Not Recognized in Windows 10 (4 Methods)
Part 3. Recover Data after Fixing Apricorn USB 3.0 Not Recognized Error

If Windows 10 /8/7 fails to recognize your USB 3.0 external hard drive, stay calm. Here, we'll explain why is your Apricorn Aegis Padlock USB 3.0 external hard drive or other brands of storage devices becomes not detectable and how to fix this issue so to make USB 3.0 external hard drive show up and work normally again on your PC.

Causes of Apricorn USB 3.0 Not Recognized in Windows 10

Among the major USB 3.0 brands, Apricorn USB 3.0 seems to be one of the most commonly seen. And Apricorn USB 3.0 is not recognized issue also ranks high on the list of USB 3.0 external hard drive not recognized nor detected. A common symptom of this issue is that the connected external hard drive does not appear in the Windows File Explorer.

Here are the major causes of this issue:

Apricorn SATA wire is not working/recognized
Apricorn SATA to USB 3.0 connector is not recognized
Aegis Padlock 3.0 not recognized
Apricorn data transfer cable not working
No drive letter assigned to the USB 3.0 external hard drive
The device is not mounted
The external hard drive driver is outdated

Notice:: These listed causes may also lead to other brands of USB 3.0 external hard drive not detected in Windows 10/8/7, such as Lacie Rugged USB 3.0 not recognized, Seagate external hard drive not recgonized, WD external hard drive not recognized, etc., issues.

In the next 3 parts, you will unveil the most effective solutions that you just need to follow from the top down until your problem gets resolved. You don't even have to try them all.

Part 1. Quick Fix Apricorn USB 3.0 Not Recognized in Windows 10 (3 Fixes)

When your Apricorn or other brands of external hard drive not recognized, you can try the three quick fixes listed here:

Any method listed here may make your Apricorn USB 3.0 device show up on the computer again.

#1. Reconnect the USB 3.0 external hard drive

Try the following steps one by one and check if your external hard drive shows up:

Step 1. Unplug the external hard drive and plug it into a different USB port.

Step 2. Connect the external hard drive to a different computer.

Step 3. Swap or change the USB 3.0 cable to a new one.

If you don't know how to change the Apricorn USB 3.0 wire or cable, turn to its customer service center for help.

#2. Assign a new drive letter to external hard drive

When there is no drive letter assigned to an external storage device, the computer won't be able to detect or recognize the device. If you cannot see the drive letter of your device as shown in Disk Management, assign a new drive letter to it:

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

Step 2. Open Disk Management and locate the external hard drive which has no drive letter.

Step 3. Right-click the external hard drive and select 'Change Drive Letter and Paths..'.

Step 4. Set a new drive letter for the external hard drive and save the changes.

#3. Remount the external hard drive to PC

If an external storage device such as Apricorn USB 3.0 external hard drive is not correctly mounted on computer, the computer may also not be able to recognize the device. You can manually mount the external hard drive and make it detectable again:

Step 1. Connect the Apirocrn USB 3.0 external hard drive to PC, type cmd in the search box.

Step 2. Right-click Command Prompt and select 'Run as Administrator', type diskpart and hit Enter.

Step 3. Open DiskPart, type the following command and hit Enter each time:

automount
automount enable
exit

Step 4. Type exit when the mounting process completes.

After this, you can reopen Windows File Explorer to check if the Apricorn USB 3.0 external hard drive shows up.

Part 2. Fix USB 3.0 External Hard Drive Not Recognized in Windows 10 (4 Methods)

Like most external storage devices, outdated USB universal controller drive, outdated disk driver, outdated device firmware, or even improper power setting may all cause device not detected or unrecognized error.

If the quick fixes don't work really well, you can try these 4 methods here to fix Apricorn USB 3.0 not recognized issue on your own:

Method 1. Update USB Controller Driver and Device Firmware

Applies to: External hard drive not recognized due to the USB port not working

Step 1. Open Device Manager by pressing Windows + R keys and selecting 'Device Manager'.

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Step 2. Next to 'USB Universal Bus Controller', click '+'. Then you'll see a yellow exclamation mark.

Step 3. Right-click and choose 'update driver software' > Click 'automatically search for driver software online'.

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