UPDATE: So, this seems pretty flukey, but it's possible that I'm having some hard drive issues right after I upgraded my BIOS by pure coincidence. I managed to boot into Windows seemingly by luck, and then it automatically went into a round of disk error checking and repair. My computer is working fine now but I'm afraid to turn it off. I need to make a system backup sooner than later. I've been wanting to upgrade the wireless card in my Lenovo Y510p for a long time, and some searches led me