removing write-protection from hd disk

[ls2229]

My main system HD is write protected....everytime try tocut and move a music file from documents library in windows 7 it says disk is write-protected

 

[Dark Lord of Tech]

Simple! Click Start Button > Type: Create and format hard disk partitions > Enter > Right click on your drive (the one that's write protected) > Click Offline > Right click again > Click Online