How to Disassemble and Assemble System Unit

1. Detach the power cable.
2. Remove the cover.
3. Remove the Adapter Cards.
4. Remove all the drives.
5. Remove the memory module.
6. Remove the power supply.
7. Remove the motherboard.
8. And so on.

Assemble the System Unit -Steps

1. Computer Central Processing Unit or CPU and assemble all the parts you need on a table.
2. Computer motherboard, attach your motherboard to the chassis.
3. Random Access Memory (RAM) Sticks and install it's sticks to the motheboard.
4. Install the hard drive. Your options are Integrated Drive Electronics (IDE) or Serial Advanced Technology Attachement (SATA)Hard drives. Make sure your motherboard and Power Supply support your hard drive.
5. DVD-ROM drive, connect the CD-ROM, DVD-ROM, CD-RW, DVD-RW to the chassis. Use the screwdriver to tighten the screws firmly.
6. Install your Video, Sound and Network Cards if they are not on-board the motherboard.
7. Close your chassis. Turn on your computer after plugging it to a power source and attaching your mouse and keyboard. Open your CD-ROM Drive, place your operating system in the drive and close the drive. Enjoy your new personal computer!