Acer Chromebook C731 T-C42N Motherboard Replacement

ID: 200154

Description: This is a removal/replacement guide for the I/O...

Steps:

1. Power off the laptop.
2. Unplug the charger and any peripheries before beginning.

3. Optional: Put on the Anti-Static Wrist Strap and ground it to something made of metal (not to the laptop or anything energized).

4. Use a Phillips #0 screwdriver to remove the eleven 6.8 mm-long screws on the lower case.

5. Insert an opening tool between the chassis and keyboard/palm rest assembly.
6. Pry around the entire perimeter until the assembly releases.
7. Slightly lift the assembly, with care not to strain the two connected ribbon cables.

8. Flip up the locking tab on the left ZIF connection and pull the cable out parallel to the to the socket.
9. Disconnect the second ribbon cable.
10. Remove the keyboard and palm rest assembly.

11. Remove the two 3.5 mm-long screws securing the I/O board.
12. Flip up the locking flap securing the I/O board ribbon cable.
13. Remove the I/O board.

14. Pull the battery connector directly out of its socket.

15. Use a Phillips #0 screwdriver to remove the three 3.6 mm-long screws securing the battery.
16. Lift the battery up and out.

17. Unplug the bundled cable connecting the speakers to the motherboard.

18. Remove the left speaker using the iFixit Opening tool, by prying it from the frame.
19. Keep the force even while pulling the speaker off of the two pins.
20. Caution: Be careful around the pins. They can be broken if you are too forceful in a lateral direction.
21. The speaker itself is held by adhesive. Force will be required when removing the speaker.

22. Repeat the previous step for the right speaker.

23. Unseat the speaker wire from the frame and remove the speakers.

24. Flip up the display ZIF connector locking flap.
25. Disconnect the display cable.

26. Use a Phillips #0 screwdriver to remove the 4.6 mm-long securing the Wi-Fi card.
27. Use the pointed tip of a spudger to pry up and disconnect the two antenna cables.
28. Remove the Wi-Fi card.

29. Use a Phillips #0 screwdriver to remove all nine 3.5 mm-long screws securing the motherboard.

30. Detach the velcro found here.
31. Unplug the cable from the motherboard.

32. Lift the motherboard up and out of the chassis.