Lenovo IdeaCentre B520 - Manual (Page 41)

Chapter 8. Replacing hardware
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4. Disconnect the antenna cable from the bluetooth module.
5. Connect the antenna cable to the new bluetooth module.
6. Line up the bluetooth module then push it into position.
7. Slide the back deco into position.
Removing the EMI cover
1. Remove the computer cover. Refer to ”Removing the computer cover”.
2. Remove the back deco. Refer to “Removing the back deco”.
3. Remove the computer stand. Refer to “Removing the computer stand”.