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How to Disable Write Protection
Two Methods: Disabling Write Protection on an SD CardDisabling Write Protection on a USB Drive
Write protection allows a drive or SD card to keep its contents from being changed.This effectively prevents you from using the drive in any sort of meaningful way.
In order to start using the drive, you’ll need to remove that write protection. Follow this guide to learn how.
Method 1 of 2: Disabling Write Protection on an SD Card
Using the Lock Switch
1. Remove the card from your card reader. If the card is in an adapter, remove it from the adapter as well.2. Slide the locking switch to the "Unlock" position. If it isn't labeled, this is the position closest to the front of the card.Check the adapter as well to see if it has a lock mechanism.
3. Tape up a missing lock switch. If the lock switch has broken off, you can use a small piece of cellophane tape to make the card writable. Cover the indentation where the lock switch is normally located with a small square of tape.
Be sure that you don't cover any of the card's contacts with the tape.
Make sure that there are not creases. If the tape is not flat, the card may get stuck.
Formatting the Card
1. Open Computer/My Computer/This PC. You can find this in the start menu or press ⊞ Win+E.If you are using OS X, open the Disk Utility from the Utilities folder.
2. Right-click on the SD card in the list of drives.
If you are using OS X, select your SD card from the left frame.
3. Select "Format" from the menu.
If you are using OS X, select the "Erase" tab.
4 . Start the format. Click the Start button to format the card. All of the data will be erased, but the card will be writeable.
If you are using OS X, click Erase.
Method 2 of 2: Disabling Write Protection on a USB Drive
Temporarily Changing Permissions by Adjusting the Registry1. Open the Registry Editor. You can access the Registry Editor by entering regedit into the Search field in your Start menu. Windows 8 users can type regedit when viewing the Start screen.
2. Navigate to HKEY_LOCAL_MACHINE. This folder can be found in the Computer section of the registry editor, in the left frame. Click the arrow next to HKEY_LOCAL_MACHINE to expand the folder.
Expand the SYSTEM folder.
Expand the CurrentControlSet folder.
Expand the Control folder.
Scroll down until you find the StorageDevicePolicies folder.
3. Create the StorageDevicePolicies folder if it doesn’t exist. If you cannot find the StorageDevicePolicies folder, then you will need to create one first. Right-click in the blank space in the Control folder. Select New, and then Key. Label it StorageDevicePolicies.
4. Change or create the "WriteProtect" entry. Double click on the "WriteProtect" key in the StorageDevicePolicies folder. Change the “Value data” field from 1 to 0. Press OK.
If you created the StorageDevicePolicies folder, open it and then right-click in a blank space. Select New, and then DWORD. Name the new file WriteProtect and put 0 in the value field. Press OK.
You must type each entry exactly, including capitalization, otherwise the key will not work.
5. Reboot your computer. In order for the registry changes to take effect, you will need to reboot your computer. Save all of your work before rebooting.
Formatting the Drive
1. Open Computer/My Computer/This PC. You can find this in the start menu or press ⊞ Win+E. Formatting the drive will erase all of the data, so make backups of anything you need first.If you are using OS X, open the Disk Utility from the Utilities folder..
2. Right-click on the USB drive in the list of drives.
If you are using OS X, select your SD card from the left frame.
3. Select "Format" from the menu.
If you are using OS X, select the "Erase" tab.
4. Start the format. Click the Start button to format the drive. All of the data will be erased, but the USB drive will be writeable.
If you are using OS X, click Erase.
Formatting with the Command Prompt (Windows)
1. Open the command prompt as an administrator. Click the Start menu and enter CMD into the Search field. Right-click on it in the search results and select Run as Administrator.In Windows 8, press the Windows key + X and select Command Prompt (Admin).
2. Open the disk partition utility. Type diskpart and press Enter.
3. Select your USB drive. Type list disk and press Enter. Once the list has been displayed, type select disk X, replacing X with the number corresponding to your USB drive.
4. Turn off the write protection. Once you have the USB drive selected, type attributes disk clear read only. This will remove the write protection from the disk.
5. Format the USB drive. Before you can use it, you will need to format the drive. Type clean and press Enter. Then type create partition primary and press Enter. Finally, type format fs=fat32 and press Enter.
You can change fat32 to ntfs if you only plan on using the drive in a Windows PC.
6. Exit the command prompt. Try to place files on the USB drive. If you are still unable to write to it, then the drive is most likely damaged and needs to be replaced.
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