Computer Repair Book

2. Hardware Installation and Upgrades

· Definition: The CPU is the brain of the computer, responsible for executing instructions and performing calculations.

· Installation Steps:

1. Preparation: Ensure the computer is powered off and unplugged. Ground yourself to avoid static electricity.

2. Open the Case: Remove the side panel of the computer case.

3. Locate the CPU Socket: Identify the CPU socket on the motherboard.

4. Remove the Protective Cover: Carefully remove the protective cover from the CPU socket.

5. Align the CPU: Ensure the CPU is properly aligned with the socket (look for notches or triangles).

6. Place the CPU: Gently place the CPU into the socket without applying any force.

7. Secure the CPU: Close the retention mechanism to secure the CPU in place.

8. Apply Thermal Paste: Apply a small amount of thermal paste to the center of the CPU.

9. 2, Install the Heatsink: Place the heatsink over the CPU and secure it according to the manufacturer’s instructions.

10. Connect the Fan: Connect the heatsink fan to the appropriate header on the motherboard.

2.1.2 Random Access Memory (RAM)

· Definition: RAM is temporary storage used by the CPU to store data and instructions that are currently being processed.

· Installation Steps:

1. Preparation: Ensure the computer is powered off and unplugged. Ground yourself to avoid static electricity.

2. Open the Case: Remove the side panel of the computer case.

3. Locate the Memory Slots: Identify the RAM slots on the motherboard.

4. Release the Clips: Press down on the clips at both ends of the RAM slot to release them.

5. Align the RAM Module: Ensure the notches on the RAM module align with the keys in the slot.

6. Insert the RAM Module: Gently push the RAM module into the slot until the clips snap into place.

7. Secure the RAM Module: Ensure the RAM module is firmly seated and the clips are fully engaged.

3 Graphics Processing Unit (GPU)

· Definition: The GPU is responsible for rendering images, video, and animations for display on a monitor.

· Installation Steps:

1. Preparation: Ensure the computer is powered off and unplugged. Ground yourself to avoid static electricity.

2. Open the Case: Remove the side panel of the computer case.

3. Locate the PCIe Slot: Identify the PCIe slot on the motherboard.

4. Remove the Backplate: Remove the backplate from the computer case where the GPU will be installed.

5. Align the GPU: Ensure the GPU is properly aligned with the PCIe slot.

6. Insert the GPU: Gently push the GPU into the PCIe slot until it is fully seated.

7. Secure the GPU: Use screws to secure the GPU to the backplate of the computer case.

8. Connect Power: Connect the necessary power cables from the power supply to the GPU.