I used Balena etcher to flash os in my Pen drive(usb stick) But problem is after flashing whole pen drive becomes unallocated and it deletes EFI partition Too!!! Please help me!!
Hello, what OS image are you trying to flash? (Feel free to provide a link.) If you want to reclaim space on your pen drive, check out this blog post: Etcher broke my USB stick … or did it?