Usage:
ms-sys [options] [device]
Options:
-1, --fat12 Write a FAT12 floppy boot record to device
-2, --fat32nt Write a FAT32 partition NT boot record to device
-3, --fat32 Write a FAT32 partition DOS boot record to device
-4, --fat32free Write a FAT32 partition FreeDOS boot record to device
-5, --fat16free Write a FAT16 partition FreeDOS boot record to device
-6, --fat16 Write a FAT16 partition DOS boot record to device
-n, --ntfs Write a NTFS partition Windows 7 boot record to device
-l, --wipelabel Reset partition disk label in boot record
-p, --partition Write partition info (hidden sectors, heads and drive id)
to boot record
-H, --heads Manually set number of heads if partition info is written
-7, --mbr7 Write a Windows 7 MBR to device
-i, --mbrvista Write a Windows Vista MBR to device
-m, --mbr Write a Windows 2000/XP/2003 MBR to device
-9, --mbr95b Write a Windows 95B/98/98SE/ME MBR to device
-d, --mbrdos Write a DOS/Windows NT MBR to device
-s, --mbrsyslinux Write a syslinux MBR to device
-t, --mbrgptsyslinux Write a syslinux GPT MBR to device
-z, --mbrzero Write an empty (zeroed) MBR to device
-f, --force Force writing of boot record
-h, --help Display this help and exit
-v, --version Show program version
-w, --write Write automatically selected boot record to device
Default Inspect current boot record
-7, --mbr7 Grave um MBR do Windows 7 no dispositivo
Teste isso:
sudo -i
ms-sys -7 /dev/sda