I'm at my wits end. I have a WD My passport 320GB hard drive that is read as 0 bytes and RAW filesystem. when I try to open it I get "F: is not accessible, access is denied." But in the Disk Management console it appears healthy and says the filesystem is NTFS. I've tried everything. I've ran chkdsk, I've tried fixing permissions at least three times, I've reset the attributes to all the files (chkdsk says it didn't find any problems with it and 0KB in bad sectors) and I don't know what else to do. I can't access the drive at all. I have too much important data to reformat my drive. Please assist. Recently my hard drive got hit with the autorun virus and it set a lot of my folders to hidden and the checkbox to undo the hidden properties was greyed out and I was unable to unhide them. I removed the autorun virus and my hard drive was working fine after.