How to solve USB flash drive not formatted error and recover data from RAW USB flash drive?

Posted by Juno to Data Recovery on June 6th, 2017

When you try to open your USB flash drive, you may have encountered error messages such as "USB drive not accessible", "USB drive is not formatted, do you want to format it now?", or USB flash drive 0 bytes in Properties, asking you to format the USB flash drive before using, etc.

It seems the only way to access the USB flash drive is to format it as asked. However, formatting the USB flash drive will erase all the data on it. Don't worry, download this free USB data recovery software - iBoysoft Data Recovery to recover data from the not formatted USB flash drive, then, to fix USB flash drive not formatted error.

How to fix USB flash drive not formatted error?

The best data recovery software, iBoysoft Data Recovery, can recover data from USB flash drive showing not formatted, recover data from RAW USB flash drive, inaccessible USB flash drive, formatted USB flash drive, and also recover deleted files from USB flash drive, etc. on Windows 10/8/7/Vista/XP and Windows Server 2019/2016/2012/2008/2003.

Step 1: Recover data from not formatted USB flash drive with iBoysoft Data Recovery.

1. Download and install iBoysoft Data Recovery on your computer. Connect the not formatted USB flash drive to the computer.

2. Launch iBoysoft Data Recovery, and select the not formatted USB flash drive.

Recover data from USB flash drive showing not formatted

3. Click "Next" to search for all the deleted, lost and existing files on the USB flash drive.

4. Preview the listed recoverable files, choose those you want, and click "Recover" button to recover data from not formatted USB flash drive.

5. Have a check to ensure you have get all needed data back.

Besides solving USB flash drive not formatted error and recovering data from RAW USB flash drive, iBoysoft Data Recovery can also recover data from not formatted SD card, recover data from external hard drive not formatted, recover data from RAW external hard drive, recover data from RAW SD card, recover data from RAW hard drive partition, recover data from inaccessible hard drive, etc.

Step 2: Format the RAW USB flash drive

After recovering lost data from not formatted USB flash drive, you can fix the RAW USB flash drive by formatting.

1. Go to My Computer, This PC or Disk Management, and right click the not formatted USB flash drive to select "Format".

2. Set information about format: file system, allocation unit size, volume label, format options (the default format option is quick format).

3. Click "Start", the format operation will be completed soon.

Through simple steps, you can fix USB flash drive not formatted error without losing data. Besides, this method is also useful to fix errors like WD external hard drive RAW and not formatted, USB flash drive not formatted, Pen drive RAW file system not formatted, external hard drive RAW asking for formatting, etc.

Read more: Possible causes of USB flash drive not formatted error

A USB flash drive showing not formatted error might be healthy without a file system when checked in Disk Management. This issue is known as RAW, which means your USB flash drive not prepared for use with the Operating System or damaged. Thus, the data stored on the not formatted USB flash drive is inaccessible then.

USB flash drive not formatted error may be caused by USB file system error, bad sectors, virus attack, improper ejection, unexpected PC shutdown or other inappropriate operation. If that is the case, you can follow the tutorials above to recover data from not formatted USB flash drive and then fix it by formatting. If unfortunately, the USB flash drive is physically damaged, I'm afraid you have to send it to an expert or replace it with a new one.

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