How do you slave a hard disk?

To slave a hard disk, you first need to open your computer case and ensure the power is off. Locate the jumper settings on the hard drive; typically, you'll set the jumper to "Slave" mode according to the manufacturer's instructions. Next, connect the hard disk to the secondary IDE or SATA port on the motherboard, ensuring that the primary drive is set as "Master." Finally, close the case, power on the computer, and the system should recognize the slave drive upon booting.