How can I format a write-protected CD?

How to Erase a Write-Protected CD

1. Insert the write-protected CD into the drive.
2. Open the “Start” menu, type “run” into the search box and open the “Run” command when it appears. Type “cmd” into the “Run” box.
3. Type “$ rmformat -w disable device-name” (without quotes), replacing “device-name” with the name of your drive.

How do I remove write protection on Windows 7?

Edit the Registry in Windows 7 to Remove Write Protection

1. Press Windows key+R.
2. In the Run dialog box, enter regedit and press Enter.
3. Navigate to HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Services.
4. Select USBSTOR.
5. Double-click Start.
6. In the dialog box, enter 3.
7. Close the Registry Editor.