Lenovo H430 Desktop User Manual download pdf (Page 55)

Chapter 9. Replacing hardware

9. To secure the microprocessor in the socket, close the microprocessor

retainer and lock it into position with the small handle.

10. Use a thermal grease syringe to place ﬁve drops of grease on the top of

the microprocessor. Each drop of grease should be 0.03ml (3 tick marks

on the grease syringe).

11. Fit the heatsink assembly back onto the system board.

12. Reconnect the disconnected cables to the system board.

13. Refer to the “Completing the installation”.

Replacing the motherboard

To replace the motherboard:

1. Remove the computer cover. Refer to “Removing the computer cover”.

2. Remove the heatsink assembly. Refer to “Replacing the heatsink

assembly”.

3. Remove the memory module. Refer to “Replacing a memory module”.

4. Remove the PCIE adapters. Refer to “Replacing a PCIE adapter”.

5. Remove the CPU. Refer to “Replacing the CPU”.

6. Remove the 6 screws that secure the motherboard to the chassis.

7. Remove all the cables from the motherboard.

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Lenovo H430 Desktop User Manual Page 55