Open My Computer and you will see you drives listed, right clik on the drive letter you are using for video(best if its a separate drive from the OS and apps.) select properties, if the drive is listed as fat32 you can convert it to NTFS, first defrag the drive by using the defrag in tools in the properties window, when defraged, when done close the windows, goto Start menu, clik on Run, type Convert X: /FS:NTFS, substitute the drive letter you want to convert for X:, click Run, your disk will be converted to NTFS