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Fix windows can't format USB drive error


Summary:
 
If your USB drive cannot be formatted and were informed with a prompt "Window was unable to complete the format" error. These errors indicate that windows can’t format USB drive, and the USB flash drive are inaccessible. This post will give the solution about this issue.

windows can't format usb
 
USB drives are very portable and they can be connected to computer easily via USB drive to backup or transfer data. Which have become essential component in various digital products such as digital camera, cell phone, MP3 player, etc. Since they are often carried by users and might be used on various computers, USB drives are more likely to get many problems.
 
For example, you plugged your USB drive into the port of a PC, right-click the disk icon and select "Format", but it popped up an error saying "Windows was unable to complete the format". So, does that mean your USB drive is broken?
 
NO! This error may happen as a result of following reasons:
 

The Main Cause that Windows can't Format USB Drive


Cause 1: Virus infection
 
If you plug USB drives into public computer, you’ll take the risk on damaging the files and even the drive will stop working due to Virus attacks.
 
Cause 2: USB device has bad sectors
 
As we all known, storage devices consists of sectors, Bad sector means the sector is damaged and can't be read or written, thus bad sectors can disrupt the formatting operation as well as file recovery. There are quite few causes of bad sectors, like bad quality, excessive defragmentation, unplug USB drive directly while it is working, etc.
 
Cause 3: USB drive suffers physical damage
 
Physical damage is another reason that makes storage device inaccessible. Computer won't be able to format the device if it can't use the device.
 
Cause 4: USB Disk is write-protected
 
Windows can't format a drive when it is in write-protected state. As formatting is kind of writing operation, so you need to remove the write-protection before formatting it.
 

How to fix "Windows couldn't complete format" on USB drive


If you are not capable of formatting your USB drive (USB flash drive, external hard drive, SD card, pen drive, etc.) in usual process then try to format that drive with following methods. Please connect USB drive to computer and follow guide below to fix the error:
 
Note:  if the USB drive gets badly physical damage, these solutions won’t help you.
 

Important: You should make sure that important data and files of the drive to be formatted have been backed up, as files will be erased once the drive is formatted. If USB drive is inaccessible before you backing up the data, then you need to perform file recovery first prior to formatting.


Steps of file recovery from damaged USB drive will be talked in next section of this post.
 

Fix Windows Couldn't Complete Format on USB Drive

 

Solution 1: Format via Disk Management

 
Disk Management is provided by Windows and it helps to manage partitions and disks for computer. Disk Management is able to create new volume, extend or shrink partition, change drive letter, delete or format partition, etc. the error flash drives can be repaired with Disk Management tool. Following the steps below, you can make USB formatting procedure performed successfully.
 
Step 1
Open Disk Management. Right click on My Computer and select item "Manage", and then click Disk Management on the left side. In the center section you can see local hard drive and partitions and the USB drive which can be recognized by capacity.
 windows can't format usb
 
Step 2
Right click the flash drive and select "Format" option and select file system format to perform quick format.
windows can't format usb
 
Step 3
Right click on the USB drive and select "New Simple Volume" item. You'll get the New Simple Volume Wizard which guides you recreate new partition for the flash drive. Operations are following the onscreen instructions, setting options and click "Next" button. When the process is done, you'll find the USB drive has been formatted and is properly recognized by system.
windows can't format usb
 

Solution 2: Format with Command Prompt

 
Disk Management is not almighty and it is not helpful in many cases. Thus, we need to switch to command line based formatting solution.
 
Step 1

For Windows 7 users click Start button and type cmd in the search both and press Enter. If UAC is enabled, you need to find Command Prompt from start menu and run it as administrator.
 
Step 2

Type command diskpart on the black window and press Enter key. Then you can see partition and disk list of current computer. All drives are listed with numbers and Disk 4 is the flash drive in question.
windows can't format usb

Step 3
Continue typing disk 4 which is the problem drive and clean and press Enter. The drive will be scanned and its damaged file structure will be erased during scanning. Once the process is done, it reports confirmation message telling that it has successfully cleaned the drive, and new partition need to be created.
 
Step 4

Type create primary partition and hit Enter; next type in Command prompt format /FS:FAT32 J: (you can copy and paste it.) and press Enter. Here J is the drive letter of the USB drive, and you can change it in line with specific cases. The drive will be formatted to FAT file system and the formatting is very fast.

The need to recover data in a timely manner


Since the USB drive cannot be accessed or formatted, you need to perform file recovery as soon as possible. Otherwise, it will be overwritten with new data.
 
To recover lost data from the USB drive cannot be accessed or formatted, you should try Bitwar Data Recovery software. It is a best file recovery software since it is compatible with any devices such as digital camera, hard drives, SD cards, Memory cards, phones, media players and portable drives. From these devices, you can recover audios, videos, pictures, archives, emails, and documents. Whether you deleted these files, or lost them due to virus, or due to the disk inaccessible, or formatting you can still have them back using this software. Moreover, this program lets you preview files that have been recovered.
 
Now you can free download Bitwar Data Recovery here and install it to your computer. Then make sure that your USB drive is connected to this computer very well.

 Bitwar Data Recovery for Windows download Bitwar Data Recovery for Mac download
 

How to recover lost data from the disk


Step 1. Select the disk where you want to recover lost data from, then click “Next”.

Step 3. You can select the “Quick Scan” or “Formatted Recovery” mode then click “Next”, If files are not override by new data, files can be fully recovered.
 
However, If files are not found with previous scan, try “Deep Scan”. The deep scan can find all the files with a detailed scanning algorithm, but will not display the file names and may take longer time.
 select a scan mode to recover lost data
 
Step 4. Choose the exact types of files you want to recover, you can select all types if you have no idea about what type of file you want to recover.

select file types to recover lost data

Step 5. 
After scan, filter the file you want with file name, file type, path, and time. Then you can preview the common types of files by double-clicking. It’s a powerful preview function that helps you to check the file by playing videos, audios or GIF images, Documents, etc.
 
Then choose the data you want and click "Recover" button to restore them back. Here, you'd better save all the recovered files on a different drive or device in case of data recovery failure.

choose the data you want and recover it
 
Congratulations to you. With the solutions and the recovery steps, you USB drive has been formatted and your data on it are all back. After this, you'll be able to use USB drive for storing data and backup fancy data and important personal documents now. If you are experiencing data loss again, please use Bitwar Data Recovery to recover files in time.
 



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