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Examining inside the computer’s system unit

Part 1: Remove the case of the system unit

  1. Turn off the computer.
  2. Unplug the power cord from the wall outlet.
  3. Disconnect the power cord from your computer.
  4. Remove the screws from the sides and back of the system unit.
  5. Remove the case of the system unit.
  6. Put on your anti-static wrist strap and connect it to the chassis of the PC.

Part 2: Identify internal components inside the system unit

Sketch the inside of the system case. Your sketch should note the location of the following components:

Memory chips (RAM).

Floppy disk drive

Hard disk drive

Motherboard

CD ROM

Power supply unit

Graphics card

Sound card

Network interface card

Power cable for the motherboard

Signal cable of the hard disk drive

Signal cable of the floppy disk drive

Signal cable of the CD ROM drive.

Part 3: Re-assemble the case of the system unit

  1. Place the case over the system unit.
  2. Secure all screws on the side and back of the system unit.
  3. Connect the power cord to the system unit.
  4. Plug the power cord into the wall outlet.
  5. Turn on the computer and test to make sure that it is working.

 

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© State of New South Wales, Department of Education and Training 2005