What should I do?
Answers: You can pilfer it to a computer repair shop surrounded by your local town or you can fix it yourself.
I would recommend buying the member for the computer tech or yourself by going to
http://www.ebay.com. Do you remember the size? If it the most up-to-date computer, it used the SATA otherwise if it almost 5 years feeble or so depending on the model.
The computer tech can relate you what to get hold of.
First - Can this be see within the BIOS?
If yes, after variety sure that it have a mbr and a parition to be exact usable beside window. Then you can working on getting this visable in the computer bureaucrat.
If No, later it could be installed wrong, not configured correctly, jumper set wrong or it could be imprecise.