Lenovo N21 Chromebook Hardware Maintenance Manual - Lenovo N21 Chromebook - Page 39

Step 2. Remove the screw

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Refer to Table 3 "Part numbers for FRUs (CRUs)" on page 25 to look up the Lenovo part numbers of replacement I/O board. Remove the WLAN & Bluetooth combo module Make sure the following FRUs (CRUs) have been removed: "" on page Step 1. Disconnect the white and black cables from the WLAN & Bluetooth combo module 1 . aa Figure 13. Disconnect antenna cables Step 2. Remove the screw 2 . b Figure 14. Remove one screw Step 3. Pull out the WLAN & Bluetooth combo module in the direction shown by the arrow 3 . c Figure 15. Pull out the WLAN & Bluetooth combo module Chapter 4. Removing a FRU or CRU 33

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Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 25 to look up the Lenovo part numbers of
replacement I/O board.
RemovetheWLAN&Bluetoothcombomodule
Make sure the following FRUs (CRUs) have been removed:
“” on page
Step 1. Disconnect the white and black cables from the WLAN & Bluetooth combo module
1
.
Figure13. Disconnect antenna cables
Step 2. Remove the screw
2
.
Figure14. Remove one screw
Step 3. Pull out the WLAN & Bluetooth combo module in the direction shown by the arrow
3
.
Figure15. Pull out the WLAN & Bluetooth combo module
Chapter 4
.
Removing a FRU or CRU
33