After upgrading my PC from Windows XP to Windows 7, an external hard drive which was working fine on XP lost write permissions.
Found a solution:
1. Right click on the drive icon for the external drive.2. Select Properties3. Click Security Tab4. Click Advanced Button5. Click Owner Tab6. Click Edit Button7. Choose your account or administrators group, whichever you want to give permissions8. Check 'Replace owner on subcontainers and objects'9. Click OK If this doesn’t resolve your problem, choose the user from “Group or user names” list, click “Edit”, and give appropriate permissions. Hope this works for you!
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