Most likely that is a bad hard drive. They are not overly expensive, but they are a bit of a pain to replace. If you can follow the guides on this site you should be fine, but if that looks a bit beyond what you are comfortable with, you might want to take it to a tech.
[quote|Sarabian]Most likely that is a bad hard drive. They are not overly expensive, but they are a bit of a pain to replace. If you can follow the guides on this site you should be fine, but if that looks a bit beyond what you are comfortable with, you might want to take it to a tech.[/quote]
