Диск Sanddisk защищается от записи

Мой sanddisk usb защитил от записи, я попробовал

ashokkrishna@ashokkrishna-Lenovo-B560:~$ sudo mount -o rw /dev/sdc1 /mnt
mount: block device /dev/sdc1 is write-protected, mounting read-only

# sudo mkfs -t vfat /dev/sdb1
mkfs.fat 3.0.26 (2014-03-07)
mkfs.vfat: unable to open /dev/sdb1: Read-only file system

и

sudo hdparm -r0 /dev/sdb1

и я попробовал команду fsck также

Start cluster field in VFAT long filename slot is not 0 (but 0xdb2c).
1: Fix.
2: Leave it.
? 1
Unfinished long file name "쀸雉梆Ồ궏꾧썏ᔘ钾꾲彪Ꮦ".
  (Start may have been overwritten by ─Σæ#)
1: Delete LFN
2: Leave it as it is.
3: Fix numbering (truncates long name and attaches it to short name ─Σæ#)
? 1
Reserved field in VFAT long filename slot is not 0 (but 0xdc).
1: Fix.
2: Leave it.
? 1
Start cluster field in VFAT long filename slot is not 0 (but 0xdb2c).
1: Fix.
2: Leave it.
? 1
Unfinished long file name "쀸雉梆Ồ궏꾧썏ᔘ钾꾲彪Ꮦ".
  (Start may have been overwritten by ─Σæ#)
1: Delete LFN
2: Leave it as it is.
3: Fix numbering (truncates long name and attaches it to short name ─Σæ#)
? 1
Reserved field in VFAT long filename slot is not 0 (but 0xdc).
1: Fix.
2: Leave it.
? 1
Start cluster field in VFAT long filename slot is not 0 (but 0xdb2c).
1: Fix.
2: Leave it.
? 1
Unfinished long file name "쀸雉梆Ồ궏꾧썏ᔘ钾꾲彪Ꮦ".
  (Start may have been overwritten by ─Σæ#)
1: Delete LFN
2: Leave it as it is.
3: Fix numbering (truncates long name and attaches it to short name ─Σæ#)
? 1
/SEKAHR2/SEKHAR/Sekhar/English/Spoken English/Vasundra/All/AB
  Has a large number of bad entries. (948/1008)
Drop directory ? (y/n) 
1
Invalid input.
Drop directory ? (y/n) 1
Invalid input.
Drop directory ? (y/n) 1
Invalid input.
Drop directory ? (y/n) y
1


Read 32 bytes at 283836416:Input/output error

и

ashokkrishna@ashokkrishna-Lenovo-B560:~$ sudo fdisk /dev/sdb
You will not be able to write the partition table.

Command (m for help): o
Building a new DOS disklabel with disk identifier 0x8c87117f.
Changes will remain in memory only, until you decide to write them.
After that, of course, the previous content won't be recoverable.

Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)

Command (m for help): n
Partition type:
   p   primary (0 primary, 0 extended, 4 free)
   e   extended
Select (default p): p
Partition number (1-4, default 1): 1
First sector (2048-30965759, default 2048): 
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-30965759, default 30965759): 
Using default value 30965759

Command (m for help): t
Selected partition 1
Hex code (type L to list codes): c
Changed system type of partition 1 to c (W95 FAT32 (LBA))

Command (m for help): w
fdisk: unable to write /dev/sdb: Bad file descriptor

но я неспособен к форматированию, это - там какое-либо решение для этого?