Push up the middle cover upward with two hands to remove it from pins.
Step 10. Slide the middle cover out as shown.
Step 11. To reattach the middle cover:
Line up the middle cover with chassis, slide it back in position.
Push down the middle cover to secure it with the pins.
Secure the middle cover to the chassis with 5 screws.
Reconnect the TV cable to the same connector.
Step 12. Reattach the optical drive, computer stand and the rear cover.
IdeaCentre B340Hardware Maintenance Manual
(From left to right)