The reset and delete did not fix the problem. Is there any way to "reformat" the hard drive. Also, I've taken the case apart and can easily access the hard drive, which looks like an ordinary computer drive. Can I simply replace the drive myself? I am mechanically inclined, and electrical engineer, and am capable of doing electronics work/soldering, etc, bnut not sure if there's any special things that need to be done if I replaced the drive myself.