Lenovo H515 Desktop - Manual (Page 52)

Step 7. Remove the heat-sink assembly. Refer to “Replacing the heat-sink assembly”.
Step 8. Remove the CPU. Refer to “Replacing the CPU”.
Step 9. Remove the graphic card. Refer to “Replacing the graphic card”.
Step 10. Remove the Wi-Fi card. Refer to “Replacing the Wi-Fi card”.
Step 11. Remove the system fan. Refer to “Replacing the system fan”.
Step 12. Disconnect the all cables from the connectors on motherboard.
Step 13. Remove the 6 screws that secure the motherboard to the chassis.
Step 14. Lift up the motherboard to remove it.
Step 15. Install the new motherboard:
a. Line up the holes on the new motherboard with mounting holes on the chassis and secure
it with screws.
b. Reattach the memory module, Wi-Fi card, heat-sink assembly to the new motherboard.
c. Connect the all cables to the new motherboard.
d. Reattach the hard disk drive, optical drive, graphic card and the TV-Tuner card.
46 Lenovo H515Hardware Maintenance Manual