Lenovo 3692A3U, User Manual

Page: 31 / 78

4. Remove the four screws that secure the heat sink to the system board.
Note: Carefully remove the four screws from the system board to avoid any
possible damage to the system board. The four screws cannot be
removed from the heat sink.
5.
Carefully lift the heat sink off the system board.
Notes:
a. You might have to gently twist the heat sink to free it from the
microprocessor.
b. Do not touch the thermal grease while handling the heat sink.
6. Position the new heat sink on the system board so that the four screws are
aligned with the holes on the system board.
7. Alternate tightening each screw a small and equal amount until the heat sink is
secured to the system board. Do not over-tighten the screws.
What to do next:
v
To work with another piece of hardware, go to the appropriate section.
v
To complete the installation or replacement, go to “Completing the parts
replacement” on page 31.
Figure 16. Removing the heat sink
Chapter 2. Installing or replacing hardware
23