It is recommended that a grounding bracelet be used in order to avoid damage to the device's circuits through ESD (Electro-Static Discharge)

Remove the electrical tape covering the motherboard.

Remove the four 4.0 mm T4 Torx screws holding the motherboard to the front half of the tablet.

Remove any remaining adhesive tape on the exposed area.

Disconnect the ribbon cable attachments by lightly pushing up the locking arm (black tab) on each then gently detaching the pin connectors.