And keep an eye on things like the Amazon deals of the day and Neweggs lightning deals or whatever, they have pretty good deals on SSD's and HDD's on a pretty regular basis. I agree with scribbles though and was just about to post, check your BIOS first and make sure the boot drive did not somehow get reassigned off your HDD, it is possible but somewhat unlikely unless you were in there messing around. Also, it could be a loose connection to the HDD, I would check the BIOS first, then figure out how to remove your HDD and check the connection. If that all looks good and you still cannot access the HDD, then I would look into a replacement.