So I sent off my netbook to be repaired, and because of the crappy warrenty Asus offers it too 6 months to get back, my this time I've forgotten my HDD password. I changed the master and the user password in the BIOS when I was using it before it broke. So now I have it back and I'm trying to get my HDD unlocked. I don't care about the data on the hard drive anymore, so if I need to erase it to get it working, so be it. I've booted into an MS-DOS disk, and run ATAPWD and nothing I'v read seems to have helped. I've clicked "Set password" then typed the supposed master password for Western Digital drives: WDCWDCWDCWDCWDCWDCWDCWDCWDCWDCWD. and it says: "Error: command rejected by drive"
I also have MHDD on the boot disk but have found no clear instructions on how to use it. So both tools are open for use. Please help!