Fixed: The disk in drive is not formatted USB drive, do you want to format it now?

Posted by Katrina to Data Recovery Tips on September 17th, 2018

When I inserted my SanDisk Cruzer 128GB USB in my Windows XP, an error message is popped out: "The disk in drive F is not formatted, do you want to format it now?" What should I do?

"Disk not formatted error" happens not only on USB flash drive but also on SD card, memory card, pen drive, external hard drive, etc. You will receive the below error messages:

"The disk in drive * is not formatted, do you want to format it now?" in Windows XP.

The disk in drive is not formatted

Or "You need to format disk in drive * before you can use it" in Windows 7/8/10.

You need to format disk in drive before you can use it

In this situation, these error messages will prevent you from accessing the USB drive and all data stored on the drive is lost. You are at this page because you don't want to format the USB drive as told. Don't be anxious. This passage will show you how to fix the disk in drive is not formatted issue on USB drive as well as the way to recover lost data from formatted USB drive.

How to fix "The disk in drive is not formatted" error on USB drive?

Solution 1: Check your USB drive for errors

Step 1: Win + R keys to call out the Run box.

Step 2: Type "cmd" into the blank and hit Enter key.

Step 3: Type "chkdsk *:/f" into the Command Prompt window, you can replace the letter * with the USB drive letter. Press Enter key and it will start repairing damaged files.

If chkdsk can run the process normally, your USB drive can be opened as usual and you can access all files on the drive after restarting your computer.

Solution 2: Reformat the USB drive

If chkdsk is unable to repair disk errors on the USB drive, you may meet the error message: "The type of the file system is RAW, CHKDSK is not available for RAW drives." This means the file system of your USB drive is seriously corrupted. In this situation, reformatting is the most effective way to solve USB flash drive not formatted error.

Step 1: Recover lost data before reformatting the USB drive

Before reformatting, you need to back up your important data. If unfortunately, you forget to make any backup, a professional data recovery tool can help you. iBoysoft Data Recovery is a free data recovery software that can recover lost data from RAW USB drive and recover lost data from corrupted USB drive on Window 10/8/7/XP and Windows Server 2019/2016/2012/2008/2003. Even when you formatted your USB drive mistakenly, iBoysoft Data Recovery can get lost data back.

Besides, iBoysoft Data Recovery can recover deleted files even if emptied from Recycle Bin, recover lost data from inaccessible drive, etc. It supports data recovery from external hard drive, hard drive, pen drive, SD card, memory card, etc.

Follow the steps below to recover lost data from RAW USB drive with iBoysoft Data Recovery:

1. Download and install iBoysoft Data Recovery on your computer.

2. Launch iBoysoft Data Recovery, and select the RAW USB drive.Recover lost data from RAW USB drive with iBoysoft Data Recovery

3. Click "Next" to search for all lost files on the RAW USB drive.

4. Preview the listed recoverable files, choose those you need, and click "Recover" button to restore files.

5. Go over to ensure you have got all needed data back.

6. Fix drive not accessible parameter incorrect error by reformatting the USB external hard drive.

1. Go to This PC or Disk Management, and right-click on the RAW drive, select "Format".

2. Setup the required information: file system, allocation unit size, volume label, format options (the default format option is Quick Format).

3. Click "Start", the format operation will complete soon.

Possible reasons of the disk not formatted error

USB drive that says needs to be formatted may be damaged by various reasons. Learn about these reasons, you can avoid the improper operations to your USB drive.

1. Power failure,

2. Forcedly ejection or plug-out,

3. Virus attack or malware infection,

4. Bad sectors and more.


This passage talks about two feasible solutions to the disk not formatted error. No matter what causes the error message, data in the drive is the most vital thing for us. iBoysoft Data Recovery enables you recover lost data due to virus attack, mistaken formatting, accidental deletion, etc. With this handy tool, you will never worry about data loss problems. However, backing up data is always the safest way to avoid data loss.

Still have questions?