How to change primary hard drive on vista?

my primary hard drive ACER (C:) is almost full...so i want to use the other hard drive DATA (D:) how do i do this?

How to change primary hard drive on vista?internet

What you are likely seeing is the first drive (c:\) is a partition for the restore to factory defaults software. (D:\) is likely the main partition. You will not be able to just change drive letters without wiping the whole drive out (erasing). You may be able to use something like partition magic to do something to effect to what you are doing. You probably only have one hard drive in your system.

More information on hard drives and related information can be found at: http://hard-drives.ryansccs.com