Toshiba Satellite C855D-S5109 Motherboard Replacement

Ernest Armstrong e un altro collaboratore

Ultimo aggiornamento il December 29, 2022

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Introduzione

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Motherboards can get damaged or worn out for a variety of reasons, including physical damage, exposure to water, age, or even bad quality. This guide will show, step by step, how to remove the motherboard from a Toshiba Satellite C855D-S5109 laptop in order to replace it.

Motherboard failure will almost always result in a catastrophic failure of the laptop, so if your laptop completely refuses to turn on and you’ve already checked the battery, replacing the motherboard may restore functionality to your machine.

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Passo 1 Battery

Toshiba Satellite C855D-S5109 Motherboard Replacement, Battery: passo 1, immagine 1 di 2

Toshiba Satellite C855D-S5109 Motherboard Replacement, Battery: passo 1, immagine 2 di 2

Flip the laptop over so the bottom is facing up.

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Passo 2

Slide the two lock tabs on the battery to the open position.

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Passo 3

Toshiba Satellite C855D-S5109 Motherboard Replacement: passo 3, immagine 3 di 3

While still holding the lock tabs outward, use your hand to grab the top of battery and pull up.
Remove the battery.

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Passo 4 Keyboard

Toshiba Satellite C855D-S5109 Motherboard Replacement, Keyboard: passo 4, immagine 1 di 2

Toshiba Satellite C855D-S5109 Motherboard Replacement, Keyboard: passo 4, immagine 2 di 2

Using a Jimmy, slowly lift the keyboard up and away from the palm-rest. Slowly work around the edges, pushing the clips back, prying the keyboard up with minimal force.
Be sure to place the tool under the keyboard not the keys themselves!
Patience is key on this step; it might take a while, but don't force anything or you'll risk breaking a clip.

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Passo 5

Toshiba Satellite C855D-S5109 Motherboard Replacement: passo 5, immagine 3 di 3

Flip up the locking flap of the ZIF connector holding the keyboard cable on the motherboard.
Pull the keyboard ribbon cable out from the connector on the motherboard.
The ribbon should detach from the palm-rest not the underside of the keyboard.
Remove the keyboard from the laptop.
While replacing the keyboard, you will not need the Jimmy. Just gently press down around the edges of the new keyboard after plugging the ribbon cable in. You will hear it click back into place as the clips engage.

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Passo 6 Motherboard

Toshiba Satellite C855D-S5109 Motherboard Replacement, Motherboard: passo 6, immagine 1 di 2

Toshiba Satellite C855D-S5109 Motherboard Replacement, Motherboard: passo 6, immagine 2 di 2

In the area under the keyboard, disconnect the first cable that is located inside of the square near the front right of the laptop.
Disconnect the next two cables that are located inside of the square located at the back right of the laptop.

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