I've done this twice on different laptops. It works like a charm :)
The explanation I got when I did it the first time was this: When the computer heats up and gets cold a lot, over time the solder joints on the motherboard might "crack", or something, effectively giving loose conncetions. By heating the joints in this controlled manner, the metal melts and solidifies properly when cooled down.
The explanation I got when I did it the first time was this: When the computer heats up and gets cold a lot, over time the solder joints on the motherboard might "crack", or something, effectively giving loose conncetions. By heating the joints in this controlled manner, the metal melts and solidifies properly when cooled down.