Lenovo 100e Chromebook 2nd Gen Motherboard Replacement

はじめに

This guide will show the steps needed to take out and replace the motherboard in the Lenovo Chromebook 100e 2nd gen. This repair is a last ditch effort to fix your broken device; only do this repair if there is significant water or structural damage to the device causing complete graphical and functional failure.

必要な工具と部品

手順1 Keyboard

Lenovo 100e Chromebook 2nd Gen Motherboard Replacement, Keyboard: 手順 1、 1の画像 1

Remove the nine 6 mm screws from the back of the laptop using a Phillips #0 screwdriver.

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手順2

Open the laptop and lay it flat.
Go along the edge of the keyboard with an opening tool until it pops loose.
Potential for device damage: Make sure that the keyboard does not fall away from the laptop, as it is still connected to the internal components

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手順3

Lift the keyboard connectors up using an opening pick.
Remove the connectors from their sockets.

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手順4 Battery

Lenovo 100e Chromebook 2nd Gen Motherboard Replacement, Battery: 手順 4、 1の画像 1

Remove the four 4 mm Phillips #0 screws holding the battery in.

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手順5

Using an opening pick, push on the connection where the wires are connected to the motherboard.
Potential for device damage: This step takes some force to disconnect, but be careful to not pull the wires out of the battery.

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手順6

The battery is now loose and can be removed from the laptop.

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手順7 Screen Bezel

Lenovo 100e Chromebook 2nd Gen Motherboard Replacement, Screen Bezel: 手順 7、 1の画像 1

Using a spudger, go along the edge of the screen and pop the connections between the cover and the back side out.

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手順8

Insert the spudger into the gap between the hinges and pull up to detach the connections.

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手順9

Remove the screen bezel from the laptop.

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手順10 Display

Lenovo 100e Chromebook 2nd Gen Motherboard Replacement, Display: 手順 10、 1の画像 1

Remove the four 3.4 mm screws holding the screen in place using the Phillips #00 screwdriver.

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手順11

Carefully pull the screen back onto the lower assembly.

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手順12

Lenovo 100e Chromebook 2nd Gen Motherboard Replacement: 手順 12、 3の画像 3

Peel back the protective tape over the display cable using the spudger.
Gently lift the black bar latch holding the cable in place, until the cable becomes loose.
Pull the cable free and remove the display.
DO NOT pull on the cable before lifting the bar latch or the cable will break.

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手順13 Hinges

Lenovo 100e Chromebook 2nd Gen Motherboard Replacement, Hinges: 手順 13、 3の画像 1

Lenovo 100e Chromebook 2nd Gen Motherboard Replacement, Hinges: 手順 13、 3の画像 2

Lenovo 100e Chromebook 2nd Gen Motherboard Replacement, Hinges: 手順 13、 3の画像 3

Use the Phillips #0 screwdriver to remove the six 4.7 mm screws located on the bottom half of each hinge.
Use the Phillips #00 screwdriver to remove the ten 3.4 mm screws located on the upper hinge assembly.

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手順14

Move the screen assembly perpendicular to the keyboard assembly.
Remove the hinges by pulling straight up.

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手順15 Motherboard

Lenovo 100e Chromebook 2nd Gen Motherboard Replacement, Motherboard: 手順 15、 2の画像 1

Lenovo 100e Chromebook 2nd Gen Motherboard Replacement, Motherboard: 手順 15、 2の画像 2

Use the spudger to disconnect the two ribbon cables.
Disconnect the black and white coaxial cables.

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手順16

Remove the white Lenovo sticker over one of the screws.
This screw conducts electricity. Remember to replace this sticker upon reassembly to avoid shorts.
Use the Phillips #0 screwdriver to remove the seven 3.8 mm screws.