Change of external hard drive read only to read & write

Windows 7 64 bit - I have a drive external hard usb with a normal status of reading & writing. However, he has now suddenly become read-only. I don't know what I did to make it. Can someone tell me how I can reverse this situation back to read & write?

It does not explain how he got in this State, but you must use Diskpart to remove or set state single reading on a drive.

This process used to clear read only status on a disc. Commands typed are in bold:

Microsoft DiskPart version 6.0.6002
Copyright (C) 1999-2007 Microsoft Corporation.
On the computer: DELL755

DISKPART > list disk

Disc # status size free Dyn Gpt
--------  ----------  -------  -------  ---  ---
Disk 0 online 233 GB 0 B
Online disc 1 112 GB 0 B

DISKPART > select disk 1

Disc 1 is now the selected disk.

DISKPART > list volume

Volume # Ltr Label Fs Type size status Info
----------  ---  -----------  -----  ----------  -------  ---------  --------
Volume 0 D DVD - ROM 0 B no media
Volume 1 C NTFS Partition system healthy 233 GB
Volume 2 E 112 GB of Partition FAT32 healthy Untitled

DISKPART > select volume 2

Volume 2 is the selected volume.

DISKPART > detail disk

Maxtor OneTouch III USB Device
Disc ID: BA52D44C
Type: USB
Bus: 0
Target: 0
LUN ID: 0
Read-only: Yes
Boot disk: No.
Disk swap file: No.
Disk hibernation file: No.
Crash dump disk: No.

Volume # Ltr Label Fs Type size status Info
----------  ---  -----------  -----  ----------  -------  ---------  --------
* Volume 2 E 112 GB of Partition FAT32 healthy Untitled

DISKPART > detail volume

Disc # status size free Dyn Gpt
--------  ----------  -------  -------  ---  ---
* Disk 1 online 112 GB 0 B

Read-only: Yes
Hidden: No.
No default drive letter: No.
Shadow copy: No.
Disassembled: No.
BitLocker encrypted: No.

Volume capacity: 112 GB
Free volume space: 75 GB

DISKPART > attr disk clear readonly

Attributes of the disk successfully cleared.

DISKPART > attr volume clear readonly

Attributes volume successfully cleared.

DISKPART > detail disk

Maxtor OneTouch III USB Device
Disc ID: BA52D44C
Type: USB
Bus: 0
Target: 0
LUN ID: 0
Read-only: No.
Boot disk: No.
Disk swap file: No.
Disk hibernation file: No.
Crash dump disk: No.

Volume # Ltr Label Fs Type size status Info
----------  ---  -----------  -----  ----------  -------  ---------  --------
* Volume 2 E 112 GB of Partition FAT32 healthy Untitled

DISKPART > detail volume

Disc # status size free Dyn Gpt
--------  ----------  -------  -------  ---  ---
* Disk 1 online 112 GB 0 B

Read-only: No.
Hidden: No.
No default drive letter: No.
Shadow copy: No.
Disassembled: No.
BitLocker encrypted: No.

Volume capacity: 112 GB
Free volume space: 75 GB

DISKPART >

You will need to remove the read-only disk State before you can remove the read only status of volume

Tags: Windows

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