my current laptop was purchased in 2003- runs fine. Laptops are notorious for having tiny fans - which can result in overheating.

A chill pad/fan device is a solution, as is any lowtech method of increasing the amount of cooler air circulating beneath the laptop. I happen to use a cooling rack for cookies/cakes/pies to elevate the laptop a bit off my desk. Work well, as do other non tech methods for increasing air circulation such as strips of wood, rulers, etc.