Note on archived topics.
05-02-2016 08:54 AM
i Bought a HP 16 GB thumbdrive (TD) to use as a system backup.
I made the BIG mistake of using it to backup 2 other important files, which overloaded the thumbdrive's capacity. I copied those files to another location without issue.
I attempted to delete those files and was notified that they were write protected. I then attempted to format the TD, which also stated I couldn't format because it was write protected. It has made the TD totally useless.
I'm not a computer expert, but do know how to move around the machine. I don't know how to turn off the write protection.
05-03-2016 10:25 AM
Hi there @scooter-c,
Welcome back to the HP Support Forums! I understand that you have a USB thumb-drive that is write protected, and you need help to make it writable again. I am happy to help with this.
With the USB flash drive connected to your computer try this:
1. Press Win key+R and type "cmd" to open the command prompt. When the command window opens, type "diskpart" followed by <Enter>. This will likely launch in a separate window, and you may be prompted to start it.
2. In that window, type "list volume" then <Enter>. This should display a list of the drives connected to your computer.
3. Find your USB thumb-drive in the list, the size column should help with identifying which is the drive you need. Make note of the number of the drive in the list, in the first column.
3. Type "select volume x" <Enter> where x is that first column number.
4. Type "attributes disk clear readonly" <Enter>.
5. Then type "exit" <Enter>, which will close diskpart.
6. Now test whether you can write to your thumb-drive. You may have to eject and then reinsert the drive again to get it working after this process.
Please let me know whether that works for you, and if it does resolve your issue, please mark this post as a solution. Kudos would also be appreciated.
05-09-2016 12:26 PM
Thank you for the update.
As that did not help, depending on your preferences you could try a bit of registry editing. If you are game for that, I advise that you make a back up of your current registry first. Back up the registry - support.microsoft.com
Once you have a backup made, then, use the navigation tree to open the following key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies
If there is not a StorageDevicePolicies folder in the Control folder, right-click in the folder and select "New" → "Key." Name it StorageDevicePolicies and then open it.
Double-click the WriteProtect entry if it present. This will open the Edit window. If WriteProtect is not present then right-click in the folder and select "New" → "DWORD (32-bit) value." Name it WriteProtect and then save it. Double-click it to open the Edit window.
Change the "Value data" entry to 0. This will disable write protection for all of your USB drives.
Then close the Registry editor and reboot your computer.
Test to see if you can format or write to the USB Flash Drive after the reboot.
Let me know if that worked.