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Introduction

The motherboard in the Acer Chromebook CB315-4H-P8FZ may need to be replaced if the device won’t power on, shows a blank screen, or has been physically damaged. Issues like power failure, display problems, or damage from drops or spills often point to a faulty motherboard. In these cases, replacing the motherboard is usually the only way to fix the Chromebook.

What you need

Step 1 Lower Case

Acer Chromebook CB315-4H-P8FZ Motherboard Replacement, Lower Case: step 1, image 1 of 1

For your safety, unplug all peripheries, discharge the battery below 25%, and power down your device before beginning disassembly.
Lay the device down with the lower case facing up.

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Step 2

Acer Chromebook CB315-4H-P8FZ Motherboard Replacement: step 2, image 3 of 3

Remove the ten 6 mm Phillips screws that secure the lower case.
Insert an opening pick in the seam between the lower case and chassis.
Slide the opening pick around the perimeter of the device, prying every couple of centimeters, until the lower case fully releases.
Remove the lower case.

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Step 3 Motherboard

Acer Chromebook CB315-4H-P8FZ Motherboard Replacement, Motherboard: step 3, image 1 of 1

Peel back the black tape over the battery connector. Use your fingernails to disconnect the battery connector from its motherboard socket.
Peel back the black tape over the ribbon cable to the left of the battery connector. Release the black locking tabs that secure the ribbon cable. Disconnect the ribbon cable.
Flip up the two black ZIF locking flaps that secure the two I/O board's motherboard ribbon cable connectors. Disconnect the two ribbon cables.
Flip up the black ZIF locking flap that secures the touchpad ribbon cable. Disconnect the touchpad ribbon cable.
Use the pointed edge of a spudger to lift and disconnect the two wireless card coaxial connectors.
Use your fingernails to disconnect the white speaker connector from its motherboard socket.
Flip up the black ZIF locking flap that secures the display cable. Disconnect the display cable.

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Step 4

Use a Phillips screwdriver to remove the seven Phillips screws that secure the motherboard.
Lift up the right hinge.

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Step 5

Grip the left edge of the motherboard and gently pull it a couple of millimeters to the left to unseat the ports from the chassis.
Lift the motherboard up and out of the chassis.

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Conclusion

To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.