Replacing The Microprocessor - Lenovo 10AX User Manual

8. install the new thermal module into the chassis as shown. Ensure that the four screws on the new
thermal module are aligned with corresponding holes in the system board.
Figure 69. Positioning the new thermal module
9. Follow the clockwise sequence of
module. Do not over-tighten the screws.
10. Reinstall the cover presence switch. See "Replacing the cover presence switch" on page 67.
11. Reinstall the internal speaker. See "Replacing the internal speaker" on page 65.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 76.

Replacing the microprocessor

Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
on page v.
This section provides instructions on how to replace the microprocessor.
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and wait three to five
minutes to let the computer cool before removing the computer cover.
To replace the microprocessor, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See "Removing the computer cover" on page 51.
3. Remove the thermal module. See "Replacing the thermal module" on page 71.
Note: Place the thermal module on its side so that the thermal grease on the bottom of it does not
get in contact with anything.
2 , 4 , 1 , and 3 to install the four screws to secure the new thermal
.
Chapter 5 Installing or replacing hardware
73