When trying to make a USB stick bootable, one might try to take the following steps:
- Format your disk with FAT32 and copy the files to make bootable.
- Open command prompt:
Start > Run > cmd.exe - diskpart
- list disk
- select your disk. e.g.
select disk 2 - list partition
- select partition 1
- active
Sources:
- http://www.instructables.com/id/How-to-Create-a-Bootable-USB-Drive-Without-Using-A/
- https://technet.microsoft.com/en-us/library/jj200124.aspx