Recover deleted Partition on External HDD

[ThinkPad560X]

I think I may have had my External WD 1TB HDD installed on my desktop when wiping out the dual booting of Windows on the Internal 1TB HDD. I didnt do anything else after going through and deleting them, no reformats or anything. Just put in the XP disc and selected delete partition and pressed "L" to comfirm. Im trying a system recovery now seeing if it will restore or not. This had all of my PC drivers and software on it not found online anymore, Pics editing software, I have many HDDs and some I have double even triple saves but this one had all of everything in one. This is my guessing why the External drive is not showing any disc drives under where flash drives, HDDs, and CD drives are at. I need the drive restore completely.

Im trying MiniTool Partition now, I did full scan, from what I read online, My data should be fine aslong as I didnt format the drive "witch I didnt" Just deleted partition. If this dont work what are other good software to use? And Im guessing since I downloaded the free version its probably going to say I need to buy the full version to get everything back.

[ThinkPad560X]

I got my data back now, MiniTool works if anyone loses their data. Can download from their site.