Lenovo C540 Touch Lenovo C540 Hardware Maintenance Manual - Page 55
Remove the middle cover. Refer to Removing the middle cover.
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Page 55 highlights
Step 5. Remove the foot cover. Refer to "Removing the foot cover". Step 6. Remove the optical drive. Refer to "Replacing the optical drive". Step 7. Remove the stand holder. Refer to "Removing the stand holder". Step 8. Remove the middle cover. Refer to "Removing the middle cover". Step 9. Remove the EMI cover. Refer to "Removing the EMI cover". Step 10. Remove the heat-sink. Refer to "Replacing the heat sink". Step 11. Lift the small handle and open the retainer. Step 12. Lift the microprocessor straight up and out of the socket. 3 Attention: Do not touch the gold contacts on the bottom of the microprocessor. When handling the microprocessor, touch only the sides. Note: Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible. Chapter 8. Replacing hardware 49
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