Volume is Dirty Error 0x80071AC3

Disconnecting a USB stick without using the Safely Remove Hardware feature sometimes makes it corrupt. The drive could be in use, some files were being accessed by background processes at

the time of removal. The drive, needs to be formatted before it can be used again. Let us see how.


Format the Drive

Your computer shows the volume is dirty error 0X80071AC3 because the drive’s file system is corrupt. Reformatting the drive will erase everything, delete corrupt file system and re-create a new one.

  1. Connect the problematic USB to your computer.
  2. Double click This PC.
  3. Right-click the USB icon, choose Properties.
  4. Select Format option.


Use Disk Storage Format Tool

HP USB Disk Storage Format Tool is designed to format unreadable drives. Download it for free from the Cnet Download Center, a third-party download mirror, and then install it on your computer. Once the installation is over, select the drive from drop down box and then click the Format button.


Repair the Drive

When the format procedure fails to address the issue, you might want to try Disk Check (ChkDsk). It can detect damage to the file system errors and attempt to repair them. Here’s how:

  1. Right-click the faulty USB stick’s icon in File Explorer / Windows Explorer.
  2. Select Properties.
  3. Click the Tools tab.
  4. Click Check.
  5. Click Scan drive.


Use Fsutil Command

The Fsutil command determines and repairs dirty bit of the volume. It schedules a scan the next time your computer is started.

  1. Press Windows Key + X; choose Command Prompt (Admin).
  2. Type the following commands:
    “ fsutil dirty query m: ”
    “ CHKNTFS /X m: ”
    “ Chkdsk /f /r m: ”
    “ fsutil dirty query m: ”
  3. Restart your computer to launch an automatic scan at the next boot interval.

Note: Make sure you insert a space at the beginning and end of the commands given above. Do NOT insert the quotes.



Before disconnecting an external storage device, close any opened files stored on the drive. Use the Safely Remove Hardware icon in the system tray area of the Taskbar.