Windows cannot run disk checking on this volume because it is write protected.

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\Axi>chkdsk H: /r
The type of the file system is NTFS.
Windows cannot run disk checking on this volume because it is write protected.

C:\Users\Axi>diskpart

Microsoft DiskPart version 6.1.7601
Copyright (C) 1999-2008 Microsoft Corporation.
On computer: 3IT

DISKPART> list disk

  Disk ###  Status         Size     Free     Dyn  Gpt
  --------  -------------  -------  -------  ---  ---
  Disk 0    Online          931 GB      0 B
  Disk 1    Online          372 GB  2048 KB
  Disk 2    Online          372 GB     9 MB
  Disk 3    Online          931 GB      0 B

DISKPART> select disk 3

Disk 3 is now the selected disk.

DISKPART> attributes

Microsoft DiskPart version 6.1.7601

VOLUME      - Manipulate volume attributes.
DISK        - Manipulate disk attributes.

DISKPART> attributes disk
Current Read-only State : Yes
Read-only  : Yes
Boot Disk  : No
Pagefile Disk  : No
Hibernation File Disk  : No
Crashdump Disk  : No
Clustered Disk  : No

DISKPART> attributes disk clear readonly

Disk attributes cleared successfully.

DISKPART> attributes disk
Current Read-only State : No
Read-only  : No
Boot Disk  : No
Pagefile Disk  : No
Hibernation File Disk  : No
Crashdump Disk  : No
Clustered Disk  : No

DISKPART>