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Introduction

Use this guide to replace a broken mouse buttons controller.

What you need

Step 1 Battery

OLPC XO-4 Touch Mouse Buttons Controller Replacement, Battery: step 1, image 1 of 1

Turn the laptop upside-down, with the handle facing away from you.

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Step 2

Pull the lock tabs towards the green outer edges of the laptop.
Hold the left lock tab in the unlock position until the battery is completely removed in the next step.

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Step 3

Lift up on the middle of the battery to remove it from the device.

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Step 4 Keyboard

OLPC XO-4 Touch Mouse Buttons Controller Replacement, Keyboard: step 4, image 1 of 2

OLPC XO-4 Touch Mouse Buttons Controller Replacement, Keyboard: step 4, image 2 of 2

Remove the two 2mm Phillips #1 screws from beneath the battery lock tabs.

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Step 5

OLPC XO-4 Touch Mouse Buttons Controller Replacement: step 5, image 3 of 3

Flip the laptop over to its normal position.
Lift the two antennas on both sides to unlock the screen.
Open the laptop.

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Step 6

Be careful not to pull the keyboard too far because there is still a ribbon cable attached to the bottom.
Gently lift up on the back of the keyboard.
Pull the keyboard up far enough to expose the ribbon cable.

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Step 7

Gently lift up on the black connector to release the ribbon cable.
Gently pull the blue plastic tab up and away from the black connector.
Remove the keyboard from the laptop.

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Step 8 Lower Case

OLPC XO-4 Touch Mouse Buttons Controller Replacement, Lower Case: step 8, image 1 of 2

OLPC XO-4 Touch Mouse Buttons Controller Replacement, Lower Case: step 8, image 2 of 2

Close and flip the laptop over so you are looking at the battery compartment
Remove the five 4mm Phillips #1 screws from inside the battery compartment

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Step 9

OLPC XO-4 Touch Mouse Buttons Controller Replacement: step 9, image 3 of 3

Flip the laptop over, showing the top of the device.
Open the laptop and rotate the screen ninety degrees.
Tilt the screen so the lower right corner of the screen is closer to the lower case.

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Step 10

OLPC XO-4 Touch Mouse Buttons Controller Replacement: step 10, image 3 of 3

Push in and lift up on the keyboard edge of the white handle piece.
Pull the piece towards yourself to remove it from the laptop.

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Step 11

Remove the four 4mm Phillips #1 screws attaching the green trim to the body of the computer.

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Step 12

Pry off the rear green trim piece.

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Step 13

OLPC XO-4 Touch Mouse Buttons Controller Replacement: step 13, image 3 of 3

Be careful not to pull the bottom portion of the laptop completely off, as there is a cable connecting it to the laptop.
Slide the green trim pieces away from the screen.
This should release the entire bottom portion of the laptop.

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Step 14

OLPC XO-4 Touch Mouse Buttons Controller Replacement: step 14, image 3 of 3

Unplug the cable from the mouse buttons controller to completely remove the lower frame from the device.

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Step 15

Rotate the entire lower assembly up slightly, and pull it away from the screen to free it from the screen hinge.
There may be some adhesive holding the cable to the metal plate. Gently pull the cable off of the plate if it is stuck.

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Step 16 Mouse Buttons Controller

OLPC XO-4 Touch Mouse Buttons Controller Replacement, Mouse Buttons Controller: step 16, image 1 of 3

OLPC XO-4 Touch Mouse Buttons Controller Replacement, Mouse Buttons Controller: step 16, image 2 of 3

OLPC XO-4 Touch Mouse Buttons Controller Replacement, Mouse Buttons Controller: step 16, image 3 of 3

You should now be looking at the bottom of the lower case.
Remove the eight 4mm Phillips #1 screws attaching the green trim pieces to the lower frame.
Pry off the front and side trim pieces.