Lenovo 10HA, Hardware Maintenance Manual

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Figure 53. Removing the heat sink from the heat sink
10. Position the new heat sink on the system board so that the seven screws are aligned with the holes
in the system board. Then, tighten the seven screws 1 - 7 in numeric order to secure the new heat
sink. Do not over-tighten the screws.
Figure 54. Installing the heat sink
11. Align the five screw holes in the system board with the corresponding holes in the chassis. Then, install
the five screws to secure the system board to the chassis.
12. Connect all cables to the system board. See “Parts on the system board” on page 34.
13. Install the system board bracket. See “Replacing the memory module” on page 98.
14. Install the M.2 Wi-Fi card. See “Replacing the M.2 Wi-Fi antenna” on page 102.
15. Install the memory module. See “Replacing the memory module” on page 98.
16. Install the computer cover. See “Removing the computer cover” on page 89.
17. Install the frame stand. See “Replacing the frame stand” on page 87.
18. Connect the external cables and the power cord to the computer.
Replacing the system board frame
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 “Read this first: Important safety information” on page 1.
Chapter 9
.
Installing or replacing hardware
109