Did you update your asacpi.sys file? Yes or no
And because I approach these problems from a different angle:
Download,install and run Speccy and use Speccy to keep an eye on your temps. I have seen perfectly good systems start giving the strangest problems when they get overheated.
Link to Speccy in my sig.
If you want a program dedicated to temp monitoring then try CoreTemp for which there is also a desktop gadget. Core Temp