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How to Solve Disk Partition Not Recognized by Windows 10

Updated on Dec 05, 2018 by Jean to Partition Master

Summary:
Disk partition not recognized by Windows 10? Partitions not showing up in disk management? Partition letter lost? Learn how to solve disk partition not recognized by Windows 10 with free partition magic for Windows 10.

Windows 10 Error: Disk Partitions Not Showing up in Disk Management

"I have a 3 TB hard drive and partitioned it into two parts, which were E: and F: on Windows 7 computer. The two partitions are created for keeping personal data, files, and some entertaining programs. Very strangely, after the automatic upgrade from Windows 7 to Windows 10, partition F: just disappeared showing as "unallocated", and the contents inside become inaccessible. How did this error occur? I tried to resume the drive letter in Windows disk management, but it failed as almost all the options are grayed out. I desperately want partition F: back, so is there any other way to fix disk partition not recognized by Windows 10? "

"Disk partition not recognized by Windows 10" is a controversial issue which needs more research to be done. Some doubt that Windows 10 upgrade made it, during which Windows 10 wiped the partition and removed the drive letter; while some suggest using DISKPART command to solve the problem.

But for average users who are with limited technological knowledge, it seems impossible to get the lost partition back if without a powerful and useful Windows 10 partition management tool.

Windows 10 upgrade may delete a partition, which we can hardly resist. So the lost partition on the unallocated space has forever gone? Not exactly. In this case, we introduce people the most viable way to recover lost or deleted the partition with EaseUS free partition manager.

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 Windows 10 is supported

How to Solve Partition Not Recognized by Windows 10 with Easeus Partition Master

EaseUS Partition Master Free is featured with Partition Recovery Wizard, which aims to help recover deleted or lost partitions due to hardware or software failure or Windows errors. The Windows 10 error which results in disk partition not recognized or showing up as "unallocated" can be fixed entirely by the magic utility, and the whole partition with the drive letter is very likely to appear again.

Now follow the video guide below to learn how to fix the disk partition not recognized by Windows 10 and get the lost partition back to normal with automatic recovery mode.

 

Step 1: Launch EaseUS Partition Master on PC

Click on "Partition Recovery" at the top of the main window.

Run EaseUS Partition Master for partition recovery

Step 2: Select a hard disk to search for the lost partition(s)

Choose the hard drive disk or SSD where you lost partitions, and click "Scan".

Run EaseUS Partition Master for partition recovery

Step 3: Wait for the scanning process to complete.

This program will scan the whole disk with two modes - "Quick Scan" and "Deep Scan" to find all lost partitions and data for you.

  • Quick Scan will find your latest deleted partition with a fast speed.
  • Deep scan will scan and find more and earlier deleted partitions.
Scan lost partitions

Step 4: Select and recover lost partitions

1. Select the lost partition, marked as "Deleted" with previous Labels, capacity etc, and click "Proceed" to continue.
2. Click "Recover Now" to confirm and restore the lost partition.

Scan lost partitions

3. Click the "Execute Operation" button and click "Apply" to restore lost partition.

Scan lost partitions