Lenovo Chromebook C340 Hardware Maintenance Manual page 55

"Remove the lower case" on page 43
"Remove the battery pack" on page 44
"Remove the I/O board with cable" on page 46
"Remove the WLAN card" on page 47
Step 1. Disconnect cables connected to the system board.
Figure 36. Disconnect cables
Step 2. Remove ten screws.
Figure 37. Remove ten screws
Screw specification
M2 x 4
Number of screws
10
.
Chapter 4 Removing a FRU or CRU
49