Introduction

This guide teaches you how to replace the motherboard in a Toshiba Satellite C655 series laptop.

Tools

No tools required.

Parts

No parts required.

  • With the battery side facing you, first move the right locking latch to the right.

  • Afterwards, move the left spring latch to the left, but keep your finger there, and pull the battery out with your other hand.

Remove the single screw securing the hard drive cover to the base.
  • Remove the single screw securing the hard drive cover to the base.

Remove the single screw securing the hard drive caddy to the base.
  • Remove the single screw securing the hard drive caddy to the base.

This step is unnecessary if you're just removing the hard drive for testing purposes, or to replace the motherboard.
  • This step is unnecessary if you're just removing the hard drive for testing purposes, or to replace the motherboard.

  • Remove the four screws securing the hard drive to the caddy.

  • You're done!

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Remove the twelve "F6"/M2.5x6 screws.
  • Remove the twelve "F6"/M2.5x6 screws.

  • Remove the two "F2" screws under where the battery was.

  • Remove the "F3" screw securing the optical drive, and slide the optical drive out.

  • Remove the two "F2" screws from where the optical drive faceplate was.

  • Remove the memory cover screw, pull the memory door open, and remove the two "F6"/M2.5x6 screws from underneath.

  • Use your fingernail or a spudget to get under the keyboard trim, and pry it up. Go along the keyboard trim, pulling it up.

Remove the four screws securing the keyboard to the palmrest. Lift the keyboard at the top a little, and pull the keyboard towards the screen, so that you see the locking connector below the keyboard.
  • Remove the four screws securing the keyboard to the palmrest.

  • Lift the keyboard at the top a little, and pull the keyboard towards the screen, so that you see the locking connector below the keyboard.

  • Push the locking connector's lock towards the screen at both the left and the right points, very gently.

  • Pull the now-loose keyboard cable out of the connector.

Remove the three palmrest cables from the motherboard, that being the power button cable, the speaker cable, and the touchpad cable.
  • Remove the three palmrest cables from the motherboard, that being the power button cable, the speaker cable, and the touchpad cable.

  • No need to remove any of the other cables yet.

  • Use a spudger to separate the palmrest from the base.

Remove the fan cable.
  • Remove the fan cable.

  • Remove the two silver-colored fan screws.

  • Remove the single black-colored fan screw.

Remove the single screw securing the motherboard to the base.
  • Remove the single screw securing the motherboard to the base.

  • Remove the two wireless antenna connectors.

  • Remove the LCD cable.

  • Lift the motherboard out of the base.

Remove the four screws securing the heatsink to the motherboard.
  • Remove the four screws securing the heatsink to the motherboard.

  • Remove the processor, memory, and optionally, the clock battery. Install the first two in the replacement motherboard. You're done!

Conclusion

To reassemble your device, follow these instructions in reverse order.

Joseph Sctbunio

Member since: 09/23/2017

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