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SD card or USB drive inaccessible cases with write protection
"Why did I receive 'The disk is write-protected' notice when I tried to move data into my memory SD card? What happened?"
"My USB drive resists to storing new data by prompting me with write protection warming. And I cannot even format it. What can I do?"
"I can access the memory card and even read data on it. And I even can delete data on it. But when I reconnect it with my computer, deleted data appear again. It's said that I have to unlock the card and format/erase the memory card. Please help.”
When your SD card, pen drive or USB drive etc become inaccessible with write protection, you'll not be able to use it to store new data or transfer data normally. Basic functions such as to install new data, delete data or move data from one drive to a new one will all being shut down by then. How to fix such a problem? The direct solution is to remove the write protection on SD card or USB drive etc storage devices. Read the following recommended solutions, you'll know how to directly unlock storage devices and then free erase/format SD card or USB drive.
Content:
►Step 1. Unlock SD card/USB drive
The very first thing that you need do is to check whether the SD card or USB drive is locked.
Go and check whether the SD card or USB drive have switches, if the switch is locked, please unlock it.
►Step 2. Remove write protection from SD card or USB drive
Here we'll offer you two options to remove or break write protection from SD card or USB drive:
Option 1:
Go to My Computer, click Devices with Removable Storage > right click SD card or USB drive and choose Properties > choose to Remove write-protection.
Go to My Computer, click Devices with Removable Storage > right click SD card or USB drive and choose Properties > choose to Remove write-protection.
Option 2:
- Connect SD card or USB drive with PC, click Start.
- Type "regedit" in the search bar and click it.
- Select "HKEY_LOCAL_MACHINE" and click "System".
- Find "Current Control Set" and click "Control"
- Check whether there is a key named "Storage Device Policies" to change the digit in the "DWORD value" box into "0" and press "OK" to save the change.
Note: if you cannot find the key named "Storage Device Policies", you are supposed to create a one: right click "Control" to create a new key and name it as "Storage Device Policies" > right click this new key to open "DWORD Value" and name it as "write protect" > Double click it to change number.
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