Lenovo 3425 Hardware Maintenance Manual page 87

Lenovo computer hardware user manual
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Figure 23. Removing the microprocessor
7. Make sure that the small handle is in the raised position and the microprocessor retainer is open.
8. Remove the protective cover
9. Hold the new microprocessor and align the notches on it with the tabs in the microprocessor socket,
or align the small triangle on one corner of the new microprocessor with the corresponding beveled
corner of the microprocessor socket.
10. Lower the new microprocessor straight down into the microprocessor socket on the system board.
11. Close the microprocessor retainer and lock it into position with the small handle to secure the new
microprocessor in the socket.
12. Reinstall the heat sink on the system board. See "Replacing the heat sink" on page 76.
13. Reinstall any other parts and reconnect any other cables you removed.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to "Completing the parts replacement" on page 84.
2
that protects the gold contacts of the new microprocessor
1
.
.
Chapter 8
Replacing FRUs
81

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