How to replace the Left I/O Daughterboard on a XPS 16 DA16260

This 3D experience gives you the step by step process of replacing the Left I/O Daughterboard and a XPS 16 DA16260. The procedure will also include removing the Palm rest and Keyboard Assembly, Left Thermal Fan, Left USB-C Module and reinstalling them.

Removal

Palm rest and Keyboard Assembly

1. Identify the palm rest and keyboard assembly highlighted in blue.
2. Using the Torx 5H, remove the screws that secure the base cover to the palm rest and keyboard assembly.
3. Open the display, position the computer on its side, release the palm rest assembly using a plastic scribe and then place the system on a flat surface.
4. Insert the plastic scribe near the hinge and loosen the palm rest and keyboard assembly.
5. Lift and turn over the palm rest and keyboard assembly and place it on a flat surface.
6. Using the pull tab, disconnect the battery cable from the system board.
7. Using the pull tab, disconnect the MCU cable from the connector on the system board.
8. Remove the palm rest and keyboard assembly.

Left Thermal Fan

1. Identify the left thermal fan highlighted in blue.
2. Remove the screws that secure the left thermal fan to the base cover.
3. Lift the latch and disconnect the left thermal fan cable from the system board.
4. Slide and remove the left thermal fan from the base cover.

Left USB-C Module

1. Identify the left USB-C module highlighted in blue.
2. Remove the screws that secure the left USB-C module to the left I/O daughterboard.
3. Lift the left USB-C module from the left I/O daughterboard.

Left I/O Daughterboard

1. Identify the left I/O daughterboard highlighted in blue.
2. Remove the screw that secures the left PCBeam cable to the left I/O daughterboard.
3. Disconnect the left PCBeam cable from the left I/O daughterboard.
4. Remove the left PCBeam interposer board from the left I/O daughterboard, storing it carefully for reuse.
5. Remove the screw that secures the left I/O daughterboard to the base cover.
6. Hold the left I/O daughterboard by its short edges and lift it from the base cover.

Install

Left I/O Daughterboard

1. Identify the left I/O daughterboard location highlighted in blue.
2. Align with the screw holes and place the left I/O daughterboard into the base cover.
3. Install the screw that secures the left I/O daughterboard to the base cover.
4. Install the left PCBeam interposer on the left I/O daughterboard, ensuring it is seated firmly. Position it correctly using the mounting holes on the I/O board.
5. Connect the left PCBeam cable to the left I/O daughterboard.
6. Install the screw that secures the left PCBeam cable to the left I/O daughterboard.

Left USB-C Module

1. Identify the left USB-C module location highlighted in blue.
2. Align and place the USB-C module into the slot on the left I/O daughterboard.
3. Install the screws that secure the left USB-C module to the left I/O daughterboard.

Left Thermal Fan

1. Identify the left thermal fan location highlighted in blue.
2. Slide and install the left thermal fan into position on the base cover.
3. Install the screws that secure the left thermal fan to the base cover.
4. Connect the left thermal fan cable to the system board and close the latch.

Palm rest and Keyboard Assembly

1. Identify the palm rest and keyboard assembly location highlighted in blue.
2. Place the palm rest and keyboard assembly in front of the base cover.
3. Connect the MCU cable to the system board.
4. Connect the battery cable to the system board.
5. Flip the palm rest and keyboard assembly towards the base cover.
6. Align and snap the palm rest and keyboard assembly into position on the base cover.
7. Close the display and place the system as shown in the video.
8. Using the Torx 5H, install the screws that secure the base cover to the palm rest and keyboard assembly.