I have a sony vaio notebook that recently&suddenly says "unable to find operating system". I'm trying to reload windows7 pro

Chela_luvs_ink

Commendable
Feb 29, 2016
2
0
1,510
I gunghoed it put my entire desciption into my question sorry just so frustrated so recap.have sony vaio notebook i5 vpcz112gx reasons unknown wifi adapter went mia then so did built in wifo switch both reappeared however os dissppeared
 

Chela_luvs_ink

Commendable
Feb 29, 2016
2
0
1,510
There wasn't any data on there that I needed I deleted all the personal data from the previous owner.was fixing to switch from windows 7 pro to windows7 ultimate as its my prefrence as I'm familiar with it more.never got the chance hence the wifi adapter wifi switch and finally the os