FAQ

If you continue to encounter an error message saying, ‘Portable device formatting unsuccessful’ or related to an USB while using Navigation Updater, it can be associated with reading/writing issues of an USB or USB port. Please refer to the following to find a solution.

• 'How to fix ‘A format/lock error occurred in a removable storage device’
  
  1. Check if an USB can be formatted manually
     
     • If the USB is detected in My PC (or My Computer) but unable to be formatted, go to 3
       
     • Refer to 2) on how to manually format an USB ‘An error occurred while copying from PC to a removable storage device.’
       
      ▶Go to ‘An error occurred while copying from PC to a removable storage device.’
     
  2. Reboot the PC after disconnecting the USB > Proceed the update by connecting to another USB port
     
     ※ Reference: When you remove an USB from the PC, you may select a safe eject method for prolonged use of the USB.