Part I Service Scenarios
Update 115
3. Remove the screws fixing the bottom case to the keyboard cover.
a Use a crosshead screwdriver to remove the 10 M3X8 Nylok screws on the bottom case.
b Take off the wires connecting the keyboard PCB and the main board. Then take off the
keyboard cover.
c Install the 4D/TEE/CW board onto the main board and tighten the board with three M3X16
cross recessed panhead screws.
4.3.2.8 Upgrading the Probe Extender
1. Remove the extender cover plate.
At the notch shown in the following figure, use a flathead screwdriver to force open the extender
cover plate according to the direction indicated in the figure.
2. Install the probe extender.
Battery
Battery
Notch
Flathead
screwdriver
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