Lenovo C200 All-In-One - Manual (Page 41)

Chapter 8. Replacing hardware
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6. Pull the memory module upward to remove it from the card port.
7. Align and then insert the new WLAN card into the card port.
8. Screw the new WLAN card back.
9. Connect the antenna cables back to the new WLAN card.
10. Screw back the motherboard cover.
11. Install the computer cover and screw back the computer stand.
Replacing the speakers system
To replace the speakers system
1. Remove the computer stand. Refer to “Removing the computer stand”.
2. Remove the computer cover. Refer to “Removing the computer cover”.
3. Remove the motherboard cover. Refer to “Removing the motherboard cover”.
4. Disconnect the cables from the motherboard.
5. Remove the 4 screws that secure the left and right speakers to the chassis.
6. Pull out the left and right speakers from the chassis.