Lenovo IdeaPad 3 Hardware Maintenance Manual page 51

"Remove the heat sink" on page 34
"Remove the fan" on page 36
"Remove the solid-state drive" on page 37
"Remove the coin-cell battery" on page 39
"Remove the memory module" on page 40
"Remove the Wi-Fi card" on page 41
Step 1. Disconnect cables connected to the system board.
Figure 30. Disconnect cables
Step 2. Remove five screws.
Figure 31. Remove five screws
.
Chapter 4 Removing a FRU or CRU
45