I replaced my WD3200BEVT drive with a SSD and now wish to use the WD as a external backup drive, however I seem to have deleted the original basic section on the drive as well the program that was on it.

How can I replace the original basic section?  any ideas ?

Hello and welcome to the community,

Take a look at this link:

Installing a WD SATA, SAS, or PATA drive in an external USB/NAS enclosure or Personal Video Recorder