Asus Chromebook C300SA-DS02 Daughterboard Replacement

Última actualización: December 10, 2019

50 minuto

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Introducción

This guide will show the procedure to replace a faulty daughterboard in an Asus Chromebook C300SA-DS02. This should solve problems with the right side USB port. Due to design choices, the display hinges sit atop the motherboard and daughterboards. So while it is not necessary to disconnect the cable connections to the display, you should exercise

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Herramientas

Paso 1 Keyboard

Asus Chromebook C300SA-DS02 Daughterboard Replacement, Keyboard: paso 1, imagen 1 de 2

Asus Chromebook C300SA-DS02 Daughterboard Replacement, Keyboard: paso 1, imagen 2 de 2

Power the laptop off and make sure the charger is unplugged before starting.
Remove the eight 8.0mm Phillips #0 screws on the bottom of the laptop.
Remove the three 6.0mm Phillips #0 screws.

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Paso 2

Asus Chromebook C300SA-DS02 Daughterboard Replacement: paso 2, imagen 3 de 3

Open the laptop.
Using an iFixit opening tool, pry along the edges of the keyboard.
Lift the keyboard and slide it gently towards you.
Do not completely remove the keyboard. It is still connected to the back panel by a pair of ribbon cables.

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Paso 3

Asus Chromebook C300SA-DS02 Daughterboard Replacement: paso 3, imagen 3 de 3

Disconnect the two ZIF connectors by prying up the locking bar with a spudger and removing the ribbon cable.

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Paso 4

Remove the keyboard from the laptop.

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Paso 5 Battery

Asus Chromebook C300SA-DS02 Daughterboard Replacement, Battery: paso 5, imagen 1 de 2

Asus Chromebook C300SA-DS02 Daughterboard Replacement, Battery: paso 5, imagen 2 de 2

Remove the six 5.6mm Phillips #0 screws around the battery.

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Paso 6

Using your thumb and index finger, pinch the multi-color cable and disconnect it from the motherboard.

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Paso 7

Lift the battery out of the laptop.

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Paso 8 Display Assembly

Asus Chromebook C300SA-DS02 Daughterboard Replacement, Display Assembly: paso 8, imagen 1 de 2

Asus Chromebook C300SA-DS02 Daughterboard Replacement, Display Assembly: paso 8, imagen 2 de 2

Unplug the black and white cable from the motherboard.
These two wires connect to the antenna within the display assembly. The white cable is longer and connects to the bottom import.

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