Lenovo IdeaCentre B520 - Manual (Page 51)

Chapter 8. Replacing hardware
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8. Remove the 3D module from the motherboard by lifting it up.
9. Line the new 3D module up with the motherboard then secure it with
the screws.
10. Connect all the cables to the new 3D module.
11. Reattach the rear I/O module.
12. Reattach the EMI cover, back deco, computer cover and computer
stand.
Replacing the TV tuner card
To replace the TV tuner card:
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”.
4. Remove the EMI cover. Refer to “Removing the EMI cover”.
5. Disconnect the antenna cable from the TV tuner card.