Solved "No Boot Sector Found On USB Device" Windows 10 Forums
Fix MBR Without Windows 7/8/10 Installation CD, DVD or USB Disk
This usb will kill any device it us plugged into. It does this by installing a boot sector virus, which shuts off the device's ability to be turned on : r/midlyintersting
How to Remove MBR Partition Table from USB Flash Drive in Windows 7?