← All Kali Issues
Kali Linux

Cannot format USB

S System Medium

🔴 Error Message

Cannot format USB drive in Kali

📖 What This Means

Drive is mounted or write-protected.

🔧 Step-by-Step Fix

  1. Unmount: sudo umount /dev/sdX1
  2. Format: sudo mkfs.ext4 /dev/sdX1
  3. Or FAT32: sudo mkfs.vfat /dev/sdX1
  4. Check write-protect switch on USB

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