help hard drive

After downloading Parallels my laptop shut down, it now has a folder with the question mark on it and says it doesn't recognize the OS anymore I have tried all the recovery options and was told it would be $1300 to restore any data and I've got about $40 to my name, after downloading this for...

Basicaly the title... I want to load a second hard drive and i cant figure how! I only see the C:/ drive... There is another... I did not find from search engine and i dont know how to map the other drivers... Sorry for my bad english. Thanks for the help...