I have a 0730 that was reformated with Linux , and i want to put windows back on it. I have reformated it and it shows absolutely nothing , My computer recognizes it but when I use lifeguard I am not able to highlight it so i can work with it . how can i install windows on it

Hello rpowell55317, note that when hard drives are formatted all the information is deleted. If you want to make your hard drive compatible with Windows you need for format it on one of the supported formats (NTFS, FAT, exFAT, FAT), NTFS is the most common one. Check the link below for more information. 

How to partition and format a WD drive on Windows (8, 7, Vista, XP) and Mac OSX