HP Pavilion dv8000z Notebook "hairball" Questions

...you are on the inter net it takes a little longer befor it turns itself off. I think it may have a hairball as our kitten has quite long hair. I am trying to decide what to do first I think I need

off. To check for this, remove the laptop case (several small screws on the bottom) and check for a hairball like clog somewhere in the path of the cooling system. This is common when laptops are used