12 Working Ways To Fix “The Device Is Not Ready” Error [Updated]

It is not surprising if you get an error message “the device is not ready” while trying to access data saved within the drive that is connected to the PC.

Regardless of the occurrence of this error, by applying the solutions mentioned here, you can easily solve it.

In order to fix the disk not initialized device not ready, you can run the check disk command, SFC scan, hardware & troubleshooter, change the drive letter, format the drive, etc.

However, while fixing this problem, if your essential data gets deleted then you can try the best Hard Drive Data Recovery Tool to get them back.

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But, before moving ahead to solve how to fix this device is not ready error, let’ know what does device not ready means.

Part 1: What Does Device Not Ready Mean?

A Windows error “The device is not ready” generally appears when you try to access the data from a USB flash drive, external HDD, SD card, and other storage media.

Once this error takes place, you won’t be able to access the data stored within the drive and throws “G:\ is not accessible. The device is not ready.” Error.

Below you can see the pictures of this error message:

The device is not ready

Part 2: What Causes “The Device Is Not Ready Error”?

There are several causes that can lead to this issue. Though, below I have listed the common causes that can lead to “diskpart the device is not ready SSD” error:

  • Lose connection between storage drive and computer.
  • System files failure is another foremost reason that can cause ‘the device is not ready initialize disk’ error.
  • Due to the damaged USB port of a PC.
  • When a device is damaged or corrupted.
  • Some other factors like improper drive installation, virus attack, etc.

After knowing the reasons, now you must be eager to know how do I fix this device is not ready in Windows 10.

Let’s scroll down this page and find out the answer to this question…

Part 3: How To Fix “The Device Is Not Ready” Error On USB Flash Drive?

Every problem comes with a solution but sometimes it is easy to find and sometimes too difficult.

But, here I have tried my best to provide you the best effective fixes to resolve “this device is not ready” error message. I hope, you will not get disappointed after trying these methods.

Fix #1: Try Some Basic Troubleshooting

It is possible that your external storage device may not get connected to the system in a proper way. So, it is worth checking the connection between the external storage data device or USB flash drives and the system.

To check the connection, you need to do the following steps:

Step 1: First, reconnect the device to the computer and check if this fixes the error.

Step 2: Again, try to connect the device to any other USB port and check if this fixes the error or not.

Step 3: Last, but not least, connect the device to other systems and check if the error comes from the system. If it is so then it is better to contact the manufacturer of the system for further advice.

Fix #2: Run Disk Check To Fix Issues Related To Hardware

Always remember to perform a disk check so that you can examine the disk errors. Well, “the device is not ready command prompt” error is much more likely to result from file system errors or memory cards or SD cards with bad sector.

So, to make sure, let the Windows disk check utility to overcome the issue. To do so, you need to check out these below steps:

Step 1: Firstly, you have to right-click on the USB flash drive that you wish to check and then select the option “Properties”.

Step 2: Next, you have to click on the Tools tab, and then under the error checking section, you have to click on the button “Check”. Doing so will check the USB drive for file system errors.

Run Disk Check To Fix Hardware Issues

Step 3: Lastly, you need to follow the options mentioned in the screen to complete the disk error. After this, restart the system to resolve the error founded.

Fix #3: Check How This Device Shows In Disk Management

Case 1: Drive Shows Not Initialized

If the USB flash drive or SD Card is not initialized occurs then the drive is not recognized and you will get the below error messages.

If your drive has not been initialized, the drive is not recognized and you will receive the error message stated as: Virtual Disk Manager “The Device is not ready”.

Virtual Disk Manager

After you get this error, you can try the below steps to fix the issue:

Step 1: Firstly, press Windows key and R together.

Step 2: Now, type diskmgmt.MSC in the Run box, and after that press “Enter” key.

Type diskmgmt

Step 3: Now, you have to right-click on the name portion of the disk entry where it says Disk [#].

Step 4: After this, select the Initialise Disk from the right-click context menu.

Initialise Disk

Step 5: Next, you will get detailed operating prompts and follow the instructions as mentioned.

Case 2: Drive Shows RAW

Those who encounter the error “The drive is not ready”, will find their USB drive stated as RAW file system. Now, to fix this error successfully, you need to format the RAW drive to FAT32/NTFS.

Case 3: Drive Shows Unallocated

Users who generally encounter diskpart the device is not ready Windows 10/8/7 will find their USB flash drives unallocated space in Disk Management. Those users can now try the following two easy and quick methods to fix this error:

#1: Create New Partition On The Unallocated Space

To create new partition on the unallocated space, you have to right-click the unallocated space and then select the “New Simple Volume”. After this, start following the wizard to complete the process.

Create new partition on the unallocated space

NOTE: If the unallocated pace contains a few important data then you should try the following solution mentioned in #2.

#2: Recover Partition In USB Drive as well as from unallocated space

If you notice that your drive contains a few vital data and becomes unallocated space then you can try to use a USB Partition Recovery tool.

This will help you fix “The device is not ready” error message on external internal storage devices. This will help you to recover the unallocated space of USB flash drives.

Fix #4: Run Hardware & Device Troubleshooter

Windows hardware & device troubleshooter is an inbuilt auto troubleshooting program that can help you to detect any inconsistencies in hardware then tries to solve them.

Step 1: Navigate to the Control Panel and then Troubleshooting.

Step 2: Click on View all which you can see in the left pane >> tap on “Configure a device” option in the Hardware & Sound on the right pane.

Step 3: Then, follow on-screen instructions to let a program check for issues.

Step 4: Select the “Skip this fix” or “Apply this fix” of your choice. After finishing these steps, you need to reboot your PC for the fixes to take effect.

run hardware and devices to fix the device is not ready error

Fix #5: Change the Drive Letter

Most of the time, the drive letter might conflict with others that are already used by the PC. Therefore, this might be the reason for diskpart has encountered an error: the device is not ready.

In such a case, changing & assigning a new drive letter can assert you to tackle the situation. Here is how you can do so:

  • Launch Disk Management >> right-tap on an external drive in order to open a Drive
  • Next, right-tap on a device >> select the option Change Drive Letters and Paths >> click Change.

Change Drive Letters and Paths

  • Choose ‘Assign the Following Drive Letter’ >> select the letter from a dropdown list.
  • Then, click the OK >> Yes.

Change Drive Letters and Paths

  • Now, close the Disk Management and reboot your system.
  • After doing this, connect your external drive again to a PC and check if you can now access the data saved in it.

Fix #6: Check Your Disk For Errors

The “the device is not ready network drive” error is much likely to result from file system errors or bad sectors on the USB drive.

So, to fix the device is not ready command prompt issue, you can run CHKDSK utility in order to check the disk for errors.

Follow the below steps to do so:

Step 1: First of all, you have to go to start menu, you need to type in “cmd” in a search bar and then press OK button to continue.

Step 2: Next, you have to right-click on the option “Command Prompt” and then choose “Run As Administrator” and then click the option “Yes” in the pop-up window.

Step 3: Next, you have to type the command “chkdsk X: /f” and then press “Enter” button. Now, you have to replace the drive X with the letter of the hard drive partition.

command “chkdsk X: /f

Step 4: Last, but not the least, type exit and press “Enter” key.

Fix #7: Fixing The USB Root Hub

Another way that you could try to troubleshoot this problem is by fixing the USB root hub. You can do so, by following these steps:

  • Launch Device Manager>> tap on the Universal Serial Bus Controllers option.

Universal Serial Bus Controller

  • Locate and right-tap on the USB Root Hub >> select Properties.
  • Next, go to the Power Management.
  • Here, you need to uncheck the option ‘Allow the computer to turn off this device to save power’ >> click OK.


  • Restart your computer and check if the problem is solved.

Fix #8: Update The Device Drivers

Updating the device drivers can also help you to get rid of numerous issues including “disk not initialized the device is not ready” error.

Follow the below easy steps to update device driver:

  • On your desktop, go to the search bar and type the device manager >> then open the Device Manager.
  • Then find and right-tap on a device >> tap Update driver.

Update driver

  • Select the option Search automatically for updated driver software and let the drivers successfully update.
  • When done, you have to close a window & restart the PC system.

Fix #9: Uninstall And Reinstall The USB Controller Driver

Most of the users reported that they solved diskpart has encountered an error the device is not ready Pendrive successfully by performing the below steps:

Step 1: First of all, right-click the option “This PC” and then click on “Manage” option and then select Device Manager.

Step 2: Next, you have to expand and navigate devices on the right panel just to find out the device that is not ready.

Step 3: Next, you have to right-click on the name of the device and then select “Uninstall” or double click the target device and then choose Uninstall.

Uninstall and reinstall the USB controller driver

Step 4: Now, you have to unplug the USB flash drive.

Step 5: Next, you have to restart the PC and then reconnect the USB drive just to check whether the device is not ready on external drive that has been fixed.

Fix #10: Try SFC Scannow Command

You can try the SFC Scannow command to fix ‘the device is not ready’ error if you find that the system file is damaged or corrupted. To do so, you need to go through the below steps:

Step 1: Firstly, you have to open the Command prompt Windows and run as administrator.

Step 2: Now, you have to type there SFC/scannow in the Windows panel and hit Enter key.

Try SFC Scannow Command

Fix #11: Format the RAW Drive to NTFS/FAT32

Another option which you can try to fix the device is not ready hard drive issue is to format your drive. For this you need to follow the below steps:

  • Just open “My Computer/This PC.”
  • In the second step, make right-click on “RAW partition” simply by choosing the “Format.”


  • Choose the option “File System” & rename it
  • Now, click on “Start” >> then “OK.”

Tip: Format will erase the original data on the hard drive. Thus, we recommend you to restore all data before formatting.

Fix #12: Replace Your Drive

If the above solutions don’t work on your device then it is possible that your device is probably damaged. For this reason, I think it is a better option to get a new USB flash drive and replace the old one.

After this, try to recover the lost data from the old USB drive using different methods.

Part 4: Ultimate Solution: Try USB Drive Data Recovery To Restore Deleted Data

After fixing “the device is not working” error, if you find that the data has been lost then you can try USB Drive Data Recovery Tool. This will restore lost media files such as photos, videos, music, and more from USB drives.

This tool has some special features with the help of which you will be easily able to recover USB flash drive data after selecting the files from preview mode. This tool is compatible with both the operating systems; Windows as well as Mac.

Download Data Recovery For Windows Download Data Recovery For Mac
* Free version of the program only scans and previews recoverable objects.

Here, you can follow its step-by-step guide to know how to get back lost data from Pendrive with this recovery tool.

Related FAQs:

Why Is My Device Not Ready For Windows 10?

Your device might not be ready for Windows 10 due to one of the following reasons:
1. A storage media is damaged.
2. The hard drive isn’t well connected.
3. Your device is not compatible with the computer.

Is Not Accessible Device Is Not Ready?

No, the not accessible device does not throw ‘this device is not ready’ error.

How Do You Fix Diskpart Has Encountered An Error The Device Is Not Ready?

In order to fix diskpart has encountered an error the device is not ready, you need to disable and then enable a USB controller again. To do so, follow the below steps: 1. Click on Start menu >> in the search box, enter ‘Device Manager’ & open it.
2. Next, locate & expand the ‘Universal Serial Bus controllers’ and tap on the first option.
3. After this, click on Uninstall. Repeat this process until all the USB controllers are removed
4. Reboot your PC & retry the DiskPart in order to check if it’s working.

Verdict Time

I think now you should not worry about how to resolve “USB device not ready” error on USB flash drive as you can try the mentioned I have mentioned above. All the solutions are so easy to apply that you can easily try them without even requiring any technical help.

Or, if after fixing this issue, you find that the data have been lost from the USB flash drive then try USB Drive Data Recovery Tool to restore lost USB drive data.

I hope this blog will be very helpful to resolve the above shown issue. I hope to get a positive appreciation from your guys.