Toshiba laptop..mine went crazy..any ideals?

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I have a Toshiba Satellite A135-s2346. I shut it down one day and the next day when I went to log on it starts going through the status repair saying my start up was searching for errors.When it finished it told me to remove any device I had attached to my laptop such as a camera and restart my laptop.When I restarted it the same thing happened.I contacted Toshiba support on their forums and was only told to purchase a recovery disk from Toshiba. I downloaded first the vista recovery disk torrent file,burned it with imgburn then used it on laptop. When I did the Windows Vista Install screen came up which was something I could not get it to do before. It asked me if I wanted to install or repair and I chose repair.When I did it asked me to click a OS(operating system) that I wanted to repair and if none were available to then click load drivers. There were no drivers listed to repair. I contacted Toshiba again and was told that they had no ideal what to do if there were no OS available and to go ahead and purchase the disk which I did. After a week wait I recieved my recovery disks and tried using them. I was able to get through the first disk when the second disk was almost finished I got an error:10-FC10-0017. If I try to boot up from the laptop and not the cd the screen tells me my bootmgr is missing. I contacted Toshiba support forums which is user supported only again and was told that the error 10-FC10-0017 indicates a faulty hard drive and thats all I was told. Is there anyway to fix this and has anyone ever recieved a similar error? My hard drive is obviously internal and is it possible to replace this myself if need be or will I need to have someone do it for me? Any replies will be very much appreciated.