Seeking advice about my CF-19 mrk2

I bought this computer new in 2008 and it has been rock solid until now. I am having a heating issue that is causing the computer to slow to a crawl. CPU temps are 65-68 celcius after a couple hours use. And CPU use is going between 50-100 percent. I am guessing the CPU useage is related to heat issues as I don't tax the computer heavily- no gaming etc, just regular word processing and website use.

I upgraded this unit 2 years ago with a Samsung SSD 840 HD and Windows 7. I am very...

Seeking advice about my CF-19 mrk2