The most obvious difference between basic and dynamic disks lies in operating system support. While all versions of Windows--even DOS--support basic disks, we can't say the same for dynamic disks.

I did some reading and it seems that the Windows 7 machine will only read it as a Basic disk. So is there anyway to change it to a basic disk without me losing the data on it? Eva01 ...

Basically what I am trying or wanting to do is, change the current setup from basic to dynamic and extend the data partition out to include the new drive that was added.