Acer Chromebook CB3-131-C3KD Motherboard Replacement
ID: 99072
Description: Use this guide to replace the motherboard for...
Steps:
- Make sure you turn off the laptop before starting.
- Unscrew and remove the (11) eleven 4mm J0 head screws on the underside of the laptop using the JIS #0 screwdriver.
- Use the plastic opening tool to remove the back cover.
- Be careful not to damage the ribbon cable connecting the back cover to the laptop.
- Unscrew the (2) two 3mm J0 Phillips head screws that hold the battery in place.
- Disconnect the battery from the motherboard.
- Carefully disconnect the cable parallel to the board, not at an angle. Otherwise, you could damage the port.
- Carefully lift the battery from one side, and then lift it out of the laptop.
- Unscrew the (4) four J0 head 3.0 mm screws from the motherboard.
- Unscrew the (1) one 7.0 mm screw from the center of the motherboard.
- Unlock the latches on the three white ribbon cables, then pull to detach them from the motherboard.
- Slide the hook forward and pull the black ribbon cable out.
- Unscrew the 4.0 mm screw from the Wi-fi card using the JIS #0 screwdriver.
- Pull the Wi-fi card parallel to the Chromebook to remove.
- To remove the regular cable near the hinge, pry from one side.
- To remove the regular cable at the top of the motherboard, pull it parallel to the board.
- Open the hinge by prying it backwards.
- Be careful not to damage the ribbon cable connecting the back cover to the laptop.
- Remove the motherboard by lifting from the top.