Windows 7 How remove write protection from usb drive

Commander_Cool

Senior Member
Joined
Jun 29, 2009
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343
An external USB-connected HDD is write-protected after reformatting. How do I remove the write-protection?

I tried a tip I found on several sites where the suggested solution is to set the
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies
value to zero, but that didn't do it.

Any suggestions?
 
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I'd first try the drive in another machine and with a different connecting lead to exclude the pc and the lead as possible causes.
 
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When using the registry hack, you need to make sure you change the value on all "ControlSet" values, so if there is a ControlSet01, 02, etc, you need to change it on those as well and then reboot.
 
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Yeah well, the funny thing is that before I got rid of the write-protection by way of DiskPart as per your suggestion, the StorageDevicePolicies value was set to zero...anyway the drive is OK on that count now.
 
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