If you feel your laptop is slowing down, you might consider upgrading its components yourself. A new CPU can breathe new life into a PC, even if you don't swap out anything else, and is a lot cheaper ...
Maximize your gaming laptop lifespan with expert maintenance tips for cooling, battery health, dust removal, and performance ...
I have an HP Pavilion ze5501US notebook, which utilizes a 2.30GHz Mobile Intel Pentium 4. Per CPU-Z it's a Northwood model, socket 478 mPGA, 0.13 um. Sorry I don't have its S-code and manufacturing ...