Before you begin: Remove the rubber feet, the top cover, the large fan, the main wireless LAN antenna assembly, The wireless LAN board, the system memory modules the M.2 flash memory module, The M.2 absorber/rear I/O bracket assembly, the small fan, the thermal module, The power button board, the internal battery, and the external battery cable. Removal Disconnect the power button light cable, the DC-OUT cable, And the top cover lighting ribbon cable from the motherboard. Disconnect the motherboard battery cable from the motherboard and remove the motherboard battery. Remove the two P1 Phillips-head screws that secure the motherboard to the rear cover. Remove the two standoffs that also secure the motherboard to the rear cover with a hex sleeve. Carefully lift the right edge of the motherboard up And slide the connectors on the left out of their cutouts in the rear cover. Remove the motherboard. Replacement Partially remove the backing from the foil
strip. Using the guidelines printed on the motherboard, attached the foil strip to the motherboard. Turn the motherboard over. Inspect the three foam pads to ensure they are properly positioned and are in good condition. If the foam pads are damaged or missing remove the foam pads from the old motherboard And install them on the new motherboard. Carefully slide the ports on the left edge
of the motherboard into their cutouts in the rear cover. Press the motherboard down, being extra careful not to trap the cables under the edges of the motherboard. Replace the two P1 Phillips-head screws that secure the motherboard to the rear cover. Replace the two standoffs that also secure the motherboard to the rear cover with a hex sleeve. Connect the motherboard battery cable to the motherboard. Connect the power button light cable, the DC-OUT cable, And the top cover lighting ribbon cable to the motherboard.