This article shows you how to fix Windows was unable to complete the format error and tells how to recover data from a partition that can't be formatted. You can try to format and recover your Micro SD card, USB flash drive, hard drive, SSD, etc. whenever you need.
Disk formatting is the process of preparing a data storage device such as a hard disk drive, solid-state drive, SD card or USB flash drive for initial use. Disk formatting is quite efficient in cleaning up partition data, and is usually adopted by us when we are going to emptying an internal hard drive or a removable disk.
However, sometimes when we carry out formatting on a partition, Windows gives us a prompt saying "Windows was unable to complete the format", just as shown in the figure below. Why? Why the partition turns inaccessible and can't be formatted?
Why Windows can’t format the device?
The possible reasons that result in Windows unable to format the partition or devices are a virus infection, write-protection, bad sectors, and physical damage. For all these reasons that behind that Windows fails to format, you may try one or more solutions to fix this problem. As you know, formatting a drive will erase all the files on it, be sure to backup important files. If you cannot access the device/partition for backup, you need to recover the data to another partition before formatting the device.
How to recover data from the partition?
Download and install Bitwar data recovery on your windows, then follow the guides to recover data from the cannot format partition.
Step 1. Select the cannot format partition or device
Launch Bitwar Data Recovery software on your windows. Select the cannot format partition or device which your want data back from. If the partition is a raw partition, you can still select it and recover it.
Step 2: Select the Scan Mode
You can choose “Quick Scan” mode to recover lost files. This mode can recover deleted or lost files on a partition or external storage device, If files are not override by other data, files can be fully recovered.
If you cannot find files after Quick Scan, try deep scan. The deep scan will search every sector of hard drive to find all existing files. But the scanning process will spend more time and will not have the original file name in the scanning results.
Step 3: preview and recover lost files
After the scan, you can filter data which you want by file name, type, path and time. You also can preview them to make a selective recovery. Finally, select the files you want and click the "Recover" button to save it to another partition or external device.
Then the data you want be back has been recovered and saved to other path, you can go to the new path to view them. You can then reformat the partition/device. If you are not capable of formatting your device in the usual process then try to format that drive with following methods.
How to fix Windows unable to format a device
For example, the USB drive cannot be formatted, now connect USB drive to computer and follow step-by-step guide given below:
Solution 1: Format with Disk Management
Disk Management is a Windows built in utility that allows you to manage partitions and disks. If your USB drive or SD card is not displayed in File Explorer because it has an unrecognized file system or no file system at all, it will show in Disk Management. Thus, you can format the drive with the supported file system.
1. Open Disk Management. Right click on Start and select "Disk Management". You can also open it by type “diskmgmt.msc” in the Run box.
If the drive is shown as unallocated space without any file system, right click on it and select "New Simple Volume" item. Then you can follow the New Simple Volume Wizard to create a new partition for the flash drive.
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. Compared with Disk Management, Format with Command Prompt gives you more authorities. Follow steps below and see whether it can get everything done.
1, open Diskpart, you can type “diskpart.exe” in the Run box or run “diskpart” command in an elevated command prompt. Within the Diskpart command utility, you can format a drive with the following commands:
- List disk
- Select disk n (n represents the disk number listed that you want to format)
- Clean (this command will delete all the data on the selected disk)
- Create partition primary
- Format FS=FAT32
- Assign letter X: (X: represent the drive letter for the USB drive, you can change it based on your needs)
3, Type “create primary partition” and hit Enter; next type in Command prompt “Format FS=FAT32” 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 FAT32 file system and the formatting is very fast. If you want NTFS file system, you can change use the command: “format FS=NTFS”.
Generally, the drive or partition should be formatted as you desired by using the steps above. You’ll then fix the Windows was unable to complete the format issue and re-access the hard drive.
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