¶ Step One
- Turn off the machine and unplug the power cord.
¶ Step Two
- Use the included hex wrench to remove four-foot pads and two securing screws.
¶ Step Three
- Disconnect the mainboard fan cable and remove the cover. (Please be cautious when removing the cover to avoid accidentally pulling on the fan cable. Make sure to handle it with care to prevent any damage.)
¶ Step Four
- Disconnect all the wires on the mainboard and remove the four screws.
¶ Step Five
- Remove the faulty mainboard and replace it with the new mainboard. Tighten the four screws to secure the mainboard.
¶ Step Six
- Refer to the wiring diagram below for connecting the wires.
¶ Step Seven
- Plug in the mainboard fan connector and install the bottom cover. (Pay attention to the routing of the mainboard fan cable.)
¶ Step Eight
- Tighten the two screws to secure the bottom cover, afterward reinstall the four-foot pads.
