All Im going to say is I had an HP laptop do that, it got progressively worse, then a few months later the HDD totally failed. If its under warranty get it sent in asap. They took 40 days and numerous calls to get a laptop back to me; after I had told them they finally realized it was a faulty HDD and after conversing with the HDD company and being told they had manufactured some hundred faulty drives, I was sent a new laptop. Two years later, my new laptop's back to being annoyingly hot.