I recently upgraded my processor on my Dell Inspiron 531s from a AMD Sempron(tm) Processor 3600+ to a AMD Phenom X3.
My CPU socket is AM2.
Now my computer fails to boot every time. When I turn it on, all that happens is the fans turn on, and the lights turn on, and then it just idles like that with nothing on the screen.
At first I thought my BIOS needed updating, so I updated it to version 1.0.13; but that didn't help at all.