Scientists have thought that magmas that form new crust at fast-spreading ridges rise up from the depths, quickly crystallize, and then push away from the ridge to form new ocean floor.
To stop a computer from overheating never keep a cloth or something else on the CPU or monitor. Also use the save energy option from properties so as to switch off the monitor when not in use. This will always help in keeping the computer cool and not overheating it.
Your computer's central processing unit must run at a specific temperature for optimal performance, and many of them feature failsafes that shut down your computer if the CPU begins to overheat. Intel and AMD are the two most common CPU manufacturers. These CPU's feature different idle, normal and maximum temperatures.