Lenovo S40–40 Hardware Maintenance Manual page 53

Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to "Left and right view"
and "Rear view" for help with locating the various connectors.
Step 4. Remove the computer stand. Refer to "Removing the frame stand", "Removing the monitor stand",
or "Removing the transformer stand".
Step 5. Remove the rear cover. Refer to "Removing the rear cover".
Step 6. Remove the hinge fixing bracket. Refer to "Removing the hinge fixing bracket".
Step 7. Remove the motherboard cover. Refer to "Removing the motherboard cover".
Step 8. Remove the heat-sink module. Refer to "Replacing the heat-sink module".
Step 9. Push the small handle and open the retainer.
Step 10. Lift the microprocessor straight up and out of the socket.
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.
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Chapter 8 Replacing hardware
47