[Fixed] 9 Ways To Fix Disk Unknown Not Initialized No Size/Disk Not Initialized

Stuck with the “disk unknown not initialized no size” error? Struggling hard to solve this issue and access the data stored within the drive? If your answer is ‘yes’, continued reading this article.

The “disk unknown not initialized or unallocated disk space” error arises when you connect your USB or external hard drive to a PC and try to copy the files from it to the PC. Well, it is really frustrating if you can’t copy your essential files.

Therefore, today in this post, we are going to share 9 potential fixes to deal with the unknown disk not initialized error.

What Causes The ‘Disk Unknown Not Initialized No Size’ Problem?

There could be several reasons that can lead to disk 1 unknown not initialized 0 bytes error.

Below we have listed the common factors behind the occurrence of disk not initialized issue:

  • Connectivity Issues
  • Physical damage
  • Invalid Disk Initialize
  • Corrupt MBR (Master Boot Record) entries
  • Due to Bad sectors
  • Existence of the viruses/malware.
  • Broken USB cable.

Now, let’s know how to initialize disk without losing data on Windows 10/11easily…

How To Fix Disk Unknown Not Initialized No Size/ Disk Not Initialized?

If you really want to fix disk 1 unknown not initialized 0 bytes issue, then apply the below step-by-step methods:

Quick Solutions

Step-By-Step Solutions Guide

Fix 1: Restart Your Computer

Restarting the PC is a simple resolution that generally helps to solve…Complete Steps

Fix 2: Update The Device Driver

Most of the time, it happens a corrupt, incompatible, or outdated device driver can…Complete Steps

Fix 3: Initialize The Disk On A Computer

While checking a status of your drive via Windows disk management, if you find…Complete Steps

Fix 4: Run The CHKDSK Command

Bad sectors on the disk are the foremost reasons that can trigger…Complete Steps

Fix 5: Rebuild The MBR

Sometimes, the MBR corruption can also lead to an unknown disc not initialized problem…Complete Steps

Fix 6: Run Hardware & Devices Troubleshooter

As we all know, Hardware & device troubleshooter is an in-built Windows utility that helps…Complete Steps

Fix 7: Run The Diskpart Utility

Disk unknown not initialized no size SSD has been solved by using the Diskpart utility…Complete Steps

Fix 8: Send for The Manual Repair

Even after applying the above fixes, if you are still unable to…Complete Steps

Fix 9: Consider A Drive Replacement

If you are sure that there’s no important stuff stored on your external hard disk…Complete Steps

Method #1: Restart Your Computer

Restarting the PC is a simple resolution that generally helps to solve hardware issues as well as minor issues on the computer.

Once you should also reboot your device to fix disk unknown issue. If your computer’s BIOS is unable to detect the drive then follow the below process to troubleshoot disk management unknown not initialized quickly.

  1. Ensure to close all the programs running on your computer before starting this process.
  2. Open a Start menu & tap on the Restart option.
  3. Now, try to connect your external hard device to a PC & check if you are able to access the data stored within the disk or not.

Method 2: Update The Device Driver

Most of the time, it happens that a corrupt, incompatible, or outdated device driver can result in such types of issues. Thus, you can simply solve it by updating a latest driver.

Follow these steps to update the device driver:

  • At first, press the Windows + X keys at the same time, find & tap on Device Manager to open it.

select Device Manager

  • Choose a category of devices & double-tap on the one of them that you need to update the driver for.
  • Make a right-tap on a driver. Here, you’ll get an option Update driver, choose it.

Update Your Device Driver

  • Select the ‘Search automatically for the updated driver software’ then Windows will locate the newest one.

disk unknown not initialized no size

  • Wait until the driver get updated, reboot your PC. Then, reconnect your device to the computer & check if an USB device showing up or not.

Method 3: Fix Disk Unknown Not Initialized No Size In Disk Management 

While checking a status of your drive via Windows disk management, if you find the hard drive not initialized in disk management or unallocated space, then you need to initialize the device. For this, follow the below easy steps:

  • Firstly, right-tap on “My Computer” then click “Manage” in order to run a Disk Management.
  • Next, right-tap on a hard drive >> click on the “Initialize Disk” option.

Initialise Disk

  • In a dialogue box >> select drive to initialize & choose the GPT or MBR partition style.
  • Finally, click on OK.

If you are unable to fix disk unknown not initialized no size in disk management, try the next solution.

Method 4: Run The CHKDSK Command

Bad sectors on the disk are the foremost reasons that can trigger the disk not initialized external hard drive issue. In order to troubleshoot the corrupted drive, you can run the CHKDSK command.

Here is how to perform a chkdsk utility Follow the given steps:

  • First of all, go to the Start by simply pressing on Windows + X keys.
  • Find & open the Command Prompt (as an Admin)
  • Then, type the command chkdsk /f /r d: >> hit Enter.

chkdsk-command-2

Method 5: Rebuild The MBR To Fix Disk Unknown Not Initialized No Size SSD

Sometimes, the MBR corruption can also lead to an unknown disc not initialized problem. In such a situation, fixing or rebuilding the MBR will prove a quick solution to fix it.

Simply follow the below instructions carefully to rebuild MBR:

Step 1: Open a Command Prompt >> type the below commands accordingly:

  • bootrec /fixmbr
  • bootrec /fixboot

Step 2: After doing so, close a Command Prompt window.

Step 3: Then, check if an issue still persists.

Method 6: Run Hardware & Devices Troubleshooter

As we all know that, Hardware & device troubleshooter is an in-built Windows utility that helps to check for errors.

Here, we would also like to suggest you to try this windows utility to check for disk errors.

  • Launch the search bar on the Windows >> type “Troubleshooting“.

Hardware and Sound

  • Then open the Troubleshoot & find “Hardware & Devices” option on a right side.
  • After this, tap on “Run troubleshooter” option.

Use Windows Troubleshooter

  • Now, a window popup will analyze for the hardware issue and then fix the problem if any issue is detected.

Method 7: Run The Diskpart Utility To Fix Disk Not Initialized

Many users have conveyed that the disk structure is corrupted/unreadable, invalid media or Track 0 bad – disk unusable, or other disk-related issues including disk unknown not initialized no size SSD has been solved by using the Diskpart utility. Once you should also try this utility.

Though, it helps to change a disk partition to the NTFS/FAT32 or even format a drive partition.

Please NoteThis way will format your drive partition which can result in complete data loss. So, before you apply this technique, do not forget to keep a backup of all your essential files on another drive.

How to run Diskpart utility, follow these steps and solve disk unknown, not initialized, unallocated:

  • Firstly, open the Run window simply by pressing the Windows + R keys
  • Type the cmd in order to open the Command Prompt.
  • Under the cmd prompt window >> type the diskpart >> type the list disk, & hit Enter.
  • At this time, type the Select Disk 0>> hit Enter.
  • Then, type the clean >> hit Enter.
  • Now, type create a partition primary>> hit Enter.
  • After this, type the fs=ntfs quick or format fs=fat32 quick >> hit Enter.

disk unknown, not initialized, unallocated

  • Wait until the process gets finished, type exit & hit Enter.
  • Restart the PC & check whether you’re facing the problem with the hard disk.

Method 8: Send for The Manual Repair

Even after applying the above fixes, if you are still unable to solve disk unknown not initialized no disk space by yourself then the last option left for you is to send the USB flash drive or hard disk for the manual repair.

If there is a physical damage on your data storage media that is resulting in disk unknown, not initialized, unallocated then it can be only repaired by experts.

Method 9: Consider A Drive Replacement To Fix Disk Unknown Not Initialized No Size

Last but not the least, if you are sure that there’s no important stuff stored on your external hard disk and it’s still in the warranty period, then consider replacing your drive with the new one.

I hope, you have fixed the external hard drive not initialized error successfully …

How To Recover Data From Hard Drive After Fixing “Cannot Initialize Disk”?

It is really very annoying when you can’t access your data stored within the drive or it becomes inaccessible. In such a situation, using a Hard Drive Data Recovery Tool can help you to recover all deleted data from the external hard drive after fixing a disk unknown not initialized, no size.

Besides, it scans a hard drive deeply to find the corrupted, deleted lost or inaccessible files & restores them effectively. The USB flash drive data recovery program is available for both the Windows & Mac OS.

emidDownload Photo Recovery For Windows emidDownload Photo Recovery For Mac
* Free version of the program only scans and previews recoverable items.

All you need to do is to download and install this data recovery tool and follow its easy steps to run this tool.

Frequently Asked Questions

What Do I Do If My Hard Drive Shows ‘Disk Unknown Not Initialized No Disk Space’?

In order to fix disk unknown not initialized no disk space or issue, you need to follow the below troubleshooting tips:

  • Restart Your Computer
  • Update The Device Driver
  • Initialize The Disk On A Computer
  • Run The CHKDSK Command
  • Rebuild The MBR
  • Send for The Manual Repair
  • Consider A Drive Replacement

How Do I Force A Hard Drive To Initialize?

Well, you can simply force a hard drive to initialize by trying the below easy steps:

  • Open the Disk Management.
  • Then, make a right-tap on an uninitialized HDD or SSD
  • Choose the ‘Initialize Disk’.
  • Now, choose a disk in order to initialize in a dialog box
  • Finally, set a style of a disk partition as the MBR or GPT.

How Do I Initialize A Disk Without Losing Data?

You can initialize a disk without losing by using the CHKSDSK utility. Here is how you can run the chkdsk command.

  • Open a command prompt >> type in the ‘cmd’.
  • After this, click on Run as an Administrator
  • Then, type command: chkdsk C: /f /r >> Enter.

Final Words

So, this is all about how to fix disk unknown not initialized error or disk not initialized with 9 best tricks.

Moreover, before applying these aforesaid solutions to fix disk 1 unknown not initialized Western Digital, ensure to deeply check & physically inspect your hard disk for any corruption.

Hope you liked this post…!

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