Unfortunately, my old computer has kind of been on life support a while now. It's an HP from 2010 or 2009, not sure which, Pavillion DV7, and is a great computer in every way imagineable, along with being a laptop, except for one slight, small and unimaginebly frustrating problem. If you unplug it, then plug it back in, it doesn't seem to register it is plugged in at all, and so doesn't start up. However, I had somehow managed to get it to be plugged in and working for quite a while, but of course,...