Lenovo 100e Chromebook Gen 4 Hardware Maintenance Manual page 59

"Remove the lower case" on page 33
"Remove the Wi-Fi card" on page 47
"Remove the type-C bracket (for Lenovo 100e Chromebook Gen 4)" on page 44
"Remove the WWAN card (for Lenovo 100e Chromebook Gen 4 WLAN + WWAN models)" on page 49
"Remove the WWAN card cable (for Lenovo 100e Chromebook Gen 4 WLAN + WWAN models)" on page
50
Step 1. Disconnect the battery pack cable. Then, disconnect cables connected to the system board.
Figure 37. Disconnect cables
Step 2. Remove two screws and remove the system board.
Figure 38. Remove two screws and the system board
.
Chapter 5 Removing a FRU or CRU
53