Troubleshooting a Compaq Laptop Power Supply The computer and laptop are complex technology wizardry, as we know, especially for any of us who have worked on them ourselves. Inside every computer is a component that is considered the lifeblood of the hardware system; the laptop power supply. The power supply is responsible for powering the entire system; the motherboard, the hard drives, the CD and DVD drives and many other possible components and even some peripherals. They work simply by … [Read more...]