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We’ve come across several queries related to uninitialized SSDs. Many users have raised questions about how to initialize SSD in Windows 10. For example:

“I have three disks on my desktop: 1 M.2 disk (boot disk), 1 SSD drive, and 1 HDD drive. Everything was working well until yesterday I was unable to access some files on the SSD drive. After restarting the computer, the SSD drive doesn’t appear anymore. In the disk, management appears as “Disk 1 – Unknown – Not initialized”. When I click to initialize, I got the error “A device which does not exist was specified.” What can be the cause of this? How can I initialize the drive? -Source

This post provides an overview of unutilized Solid State Drives (SSD), reasons for the unutilization, and some effective methods to quickly initialize an SSD.

Disk Uninitialized: An Overview

You may get an error stating ‘A device which does not exist was specified’ when trying to access your SSD. It could mean that your hard drive is not initialized. This issue may arise due to several reasons under different conditions. For example:

  • While fixing the SATA power cable
  • New SSD not initialized on an old system
  • After setting an I/O device error
  • And after changing the boot partition

These are a few common situations under which you may encounter an uninitialized SSD. The reasons behind it could be corruption, drive partition missing, faulty power cable, etc.

How to Initialize SSD in Windows 10?

No matter what the situation and reason are, you can initialize SSD in Windows 10 with the help of some effective methods given in this post.

Method 1: Initialize SSD using Disk Management

Sometimes, when you connect the SSD to the system, it may show you some errors, such as ‘Disk 1 – Unknown – Not initialized.’ You can try to initialize SSD (Solid-State Drive) using the Disk Management utility. Follow the below-mentioned steps:

  1. Press Windows + X and select Disk Management to open it.
  2. Locate the hard drive not initialized, appearing as Unallocated in Disk Management. (See Image 01)
  • Right-click on the uninitialized hard drive and select Initialize Disk from the available options. (See Image 2)
  • Afterward, select GPT and click OK.
  • Wait until the process is done. Once done, you will get back to the main window and see the drive listed as Online and Basic.
  • Check if now the SSD is accessible.

Method 2: Initialize SSD/HDD with Diskpart Commands

You can also try to initialize SSD using the diskpart utility. It is a command-line utility that can fix the hard drive corruption, due to which you may even encounter SSD not showing up error message. To initialize SSD using Diskpart, follow the given steps:

  1. Press Windows + R to open the run dialog box.
  2. Type cmd in the Run dialog box and click OK or press Enter to open the Command Prompt window.
  3. In Command Prompt window, type Diskpart, then type list disk and press Enter.
  4. Next, type attributes disk clear readonly and press Enter.
  5. Afterward, type online disk and then type convert MBR. Hit Enter to proceed.

Let the process end. Once done, close the command prompt window and restart your system. Now, check if you’ve initialized the SSD successfully and whether it’s accessible now.

The SSD drive is initialized now and accessible, but there is no data available. Where did my data go? How can I recover it?
Don’t fret! You can get your data back quickly using a reliable data recovery tool, such as Stellar Data Recovery Professional for Windows. This DIY professional data recovery tool can retrieve data lost due to deletion, formatting, corruption, and malware attack, and so on. It supports recovery from Windows systems and external storage media drives, including HDD, SSD, USB drives, and memory cards.


Irrespective of the situation, an uninitialized SSD can be fixed. You can initialize SSD with the pre-approved DIY (Do-it-yourself) methods shared in this post. However, if you somehow don’t seem to find your data after initializing SSD in Windows 10, try using an easy-to-follow yet powerful data recovery tool, such as Stellar Data Recovery for Windows. The tool efficiently restores any data from Windows systems and storage media drives.

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Robin Hood

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