Hard Disk Monitoring

I think its posted here some where but I can't find it. The data on my drive cannot be read by Windows and every time I access it,Windows say I should format the drive before it can be read. In Computer Management icon of the drive says RAW data, how can I recover it with HD Sentinel and if I cant' ...

HD Sintenal Runs but the program interface does not show on the desktop and every time I click on the icon in the task bar it shows nothing. When I hover over the icon in the task bar the mini image shows(and only show part of the program running). Then I try to click on it and the same thing happen...

I sent two before and not at 3:18 pm today 1-20-11 and the drive is a external on a thermal tale 2 port drive

I have a 2TB drive its like a year or 2 old and I'm using it as a bckup drive for data which means I just fill it full of files and unplug it until I need a files off of it. But in the process of putting data on it it was almost 3/4 's of the way full then all of a sudden the data stoped transferrin...

Can sentinel rebuild MFT cause mine just got erased

Does HDSen do constant check disk to determine the HD health.
Is HDSen like a better check disk.

I just learned the diff between format and quick format but with this will I still need to do check disk for the sectors to be ID'd as bad

Its giving me this and I did a search on it and you said to Help > Appendix > Temp but the current ver. does not have an Appendix in Help. I read how to calibrate drive but I'm not clear on getting another device to get the temp, could I use boot into the bios but isn't that a hard way to get SMATs ...