you cleaned this laptop? I mean, inside it?
Have a look at Bob's post here; Cleaning a laptop. Sorry folks, laptops need cleaning too!.
That might help.
I have an older HP pavilion ze5400 laptop and I'm wondering how to determine if the fan is still running/working; how - or if I can replace it if it is not; and/or what else might be causing my laptop to get very hot. I can feel some air coming out of the vents, and it's hot, so not sure if it's the fan. How do I troubleshoot this. Even the USB flashdrive I'm using to transfer files is hot when I unplug it!