I haven't had too many issues with this laptop for the 2 years I've owned it, except for a few gray screens of death and the minor graphics card related crash every so often but as of yesterday, for no reason at all. Whenever I boot up, my mouse/keyboard are 100% locked.
I know they work, if I disable driver signature enforcement, they both work. I tried rolling back to old USB drivers, but its the same issue. I have windows update disabled and I can't imagine how the drivers could have changed.
At the same time, I am getting pretty epic keyboard lag now also. It generally skips keys on a regular basis, which is infuriating. I haven't done a system repair or windows restore or anything yet. I also read online something about opening up the laptop because of screwy connections which cause the keyboard lag but I didn't want to do anything until I posted here.
I was going to attach my Dxdiag but I guess you can't attach text files and pasting it in here is too long, so I guess let me know if you need more info.