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Asus Chromebook C300MA-BBCLN12 Motherboard Replacement

Featured Student Guide

Featured Student Guide

This guide has been the hard work of our awesome students and is found to be exceptionally cool by the iFixit staff.

Replace the motherboard of the Asus Chromebook C300MA-BBCLN12.

  • Author: Brooke Austin
  • Time estimate: 30 minutes
  • Difficulty: Easy

This guide will show you how to open the casing on your Chromebook and remove your motherboard so that you can replace it.

Step 1 Motherboard  ¶ 

Remove the two 6.0mm Phillips #00 screws that secure the metal heat shield to the motherboard. Remove the metal heat shield. Remove the metal heat shield.

Step 1 Motherboard  ¶ 

  • Remove the two 6.0mm Phillips #00 screws that secure the metal heat shield to the motherboard.

  • Remove the metal heat shield.

Step 2  ¶ 

Peel back the protective tape that covers the display cable connector. Disconnect the display cable from the motherboard using the plastic spudger tool. Disconnect the display cable from the motherboard using the plastic spudger tool.

Step 2  ¶ 

  • Peel back the protective tape that covers the display cable connector.

  • Disconnect the display cable from the motherboard using the plastic spudger tool.

Step 3  ¶ 

Disconnect the speaker cable from the motherboard using the plastic spudger tool. Disconnect the speaker cable from the motherboard using the plastic spudger tool. Disconnect the speaker cable from the motherboard using the plastic spudger tool.

Step 3  ¶ 

  • Disconnect the speaker cable from the motherboard using the plastic spudger tool.

Step 4  ¶ 

Flip back the hinge that secures the blue daughterboard cable to the motherboard using the tweezers. Disconnect the blue cable connecting the motherboard to the daughterboard by pulling on the blue cable tab. Disconnect the blue cable connecting the motherboard to the daughterboard by pulling on the blue cable tab.

Step 4  ¶ 

  • Flip back the hinge that secures the blue daughterboard cable to the motherboard using the tweezers.

  • Disconnect the blue cable connecting the motherboard to the daughterboard by pulling on the blue cable tab.

Step 5  ¶ 

Remove the four 3.0mm Phillips #00 screws that attach the left hinge. Remove the large silver 5.0mm Phillips #00 screw from the center-left side of the motherboard.

Step 5  ¶ 

  • Remove the four 3.0mm Phillips #00 screws that attach the left hinge.

  • Remove the large silver 5.0mm Phillips #00 screw from the center-left side of the motherboard.

Step 6  ¶ 

Remove the three 3.0mm Phillips #00 screws that secure the motherboard to the housing. Remove the three 3.0mm Phillips #00 screws that secure the motherboard to the housing.

Step 6  ¶ 

  • Remove the three 3.0mm Phillips #00 screws that secure the motherboard to the housing.

Step 7  ¶ 

Remove the motherboard.

Step 7  ¶ 

  • Remove the motherboard.