Lenovo C40 Series Hardware Maintenance Manual page 53

Step 9. Remove the EMI cover. Refer to "Removing the EMI cover".
Step 10. Remove the system fan. Refer to "Replacing the system fan".
Step 11. Remove the heat-sink. Refer to "Replacing the heat-sink".
Step 12. Remove the speaker system. Refer to "Replacing the speaker system".
Step 13. Remove the motherboard. Refer to "Replacing the motherboard".
Step 14. Remove the rear deco. Refer to "Removing the rear deco".
Step 15. Remove the camera. Refer to "Replacing the camera".
Step 16. Remove the touch cable, converter cable and optical drive connector.
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Chapter 7 Replacing hardware