My friend's computer has a wierd problem when trying to turn it on. The power button seems to almost never work when trying to turn it on. The only real way to get it to turn on is to flip the switch on the power supply until it finally turns itself on. The computer works fine as soon as it is powered up. I am thinking that it is a problem with either the motherboard or the power supply, with most of my suspicion going towards the power supply. Does anyone else know what might be wrong?