reparar sistema em fat32

[gony64]

pessoal, quando inicializo o sistema o boot apresenta estes erros na partição do windows... mas o comando dosfck não repara porque?

otacilio@Matrix:~$ sudo dosfsck -aw /dev/sda1
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
There are differences between boot sector and its backup.
Differences: (offset:original/backup)
  430:46/52, 431:61/65, 432:6c/6d, 433:74/6f, 434:61/76, 435:20/61, 436:4e/20
  , 437:54/64, 438:4c/69, 439:44/73, 440:52/63, 441:ff/6f, 442:0d/73
  , 443:0a/20, 444:45/6f, 445:72/75, 446:72/20, 447:6f/6d, 448:2f/a1
  , 451:73/61, 452:63/2e, 453:6f/ff, 454:ff/0d, 455:0d/0a, 456:0a/45
  , 457:50/72, 459:65/6f, 460:73/2f, 461:73/64, 463:6f/73, 464:6e/63
  , 465:65/6f, 466:20/ff, 467:74/0d, 468:65/0a, 469:63/50, 470:6c/72
  , 471:61/65, 472:20/73, 473:70/73, 474:61/69, 475:72/6f, 476:61/6e
  , 477:20/65, 478:72/20, 479:65/74, 480:69/65, 481:6e/63, 482:69/6c
  , 483:63/61, 484:69/20, 485:61/70, 486:72/2f, 487:0d/72, 488:0a/65
  , 489:00/69, 490:00/6e, 491:00/69, 492:00/63, 493:00/69, 494:00/61
  , 495:00/72, 496:00/0d, 497:00/0a, 506:ba/c6, 507:c7/d3
  Not automatically fixing this.
/dev/sda1: 43635 files, 1123275/1918827 clusters
otacilio@Matrix:~$         

[Vandrei]

não seria fsck.vfat o utilitário?