usb - How do I make a read-only file system writable for pendrive - Ask Ubuntu

• Install gparted:
  
  
  
  

  sudo apt-get install gparted
  

• Run gparted and select the drive (/dev/sdb ?)
• Click on the Device from menu and select Create partition
• Right click on the Unallocated space and click Create partition.
• Create a new msdos partition and click the apply button.

try rebooting after making chances if you still get t hat error

:)

usb - How do I make a read-only file system writable for pendrive - Ask Ubuntu