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Rear IO removal

Before you begin: First remove the USB dongle cap, the right rear cap, the left rear cap, the stand, the T rear cover, the left side cap and the motherboard shield.

Steps

1. Next, detach the antenna connector from the TV tuner card and pull it out of the cable guide at the bottom of the motherboard. 
2. Open the rear IO door.
3. Detach the two screws for the rear IO bracket.
4. Swing the bracket up and slide down to disengage it from the unit.
5. Detach the two connectors from the rear IO board to fully remove the assembly.
6. To remove the rear IO board from the assembly, first free the antenna connector from the cable guide on the rear IO board.
7. Detach the three screws for the board.
8. Pull the board off the bracket.

Rear IO replacement

Steps

1. To replace the IO board, align the screw holes on the board onto the bracket standoffs.
2. Attach the board to the bracket with three screws.
3. Secure the antenna connector into the cable guide on the board
4. There are two wide tabs on the rear IO bracket that slide into slots on the rear cover.
5. To replace the rear IO assembly, first reattach the two motherboard connectors to the bottom of the board.
6. Align the tabs to their slots and slide the bracket up.
7. Swing the bracket down and press up until the screw holes on the bracket and the PC align.
8. Replace the two screws.
9. Close the rear IO door.
10. Place the antenna connector into the cable guide at the bottom of the motherboard
11. Replace the antenna connector to the TV tuner card.