Introdução

This guide will demonstrate the step by step process on how to replace the motherboard in your Lenovo Z70-80.

  1. Use your fingers two push both latches away from each other to release the battery. Pull the battery out.
    • Use your fingers two push both latches away from each other to release the battery.

    • Pull the battery out.

  2. Remove the two Phillips #0 screws from the bottom panel. Slide the panel down slightly, and then lift to pull it off. Slide the panel down slightly, and then lift to pull it off.
    • Remove the two Phillips #0 screws from the bottom panel.

    • Slide the panel down slightly, and then lift to pull it off.

  3. Remove the single 3mm Phillips #0 screw from the optical drive. Pull the optical drive out of the side. Pull the optical drive out of the side.
    • Remove the single 3mm Phillips #0 screw from the optical drive.

    • Pull the optical drive out of the side.

  4. Remove the three 6mm Phillips #0 screws from the fan. Disconnect the fan from the motherboard by pulling up on the plug. Disconnect the fan from the motherboard by pulling up on the plug.
    • Remove the three 6mm Phillips #0 screws from the fan.

    • Disconnect the fan from the motherboard by pulling up on the plug.

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  6. Remove all the 3-7mm Phillips #0 screws to remove the back cover.
    • Remove all the 3-7mm Phillips #0 screws to remove the back cover.

    • There is a sticker covering the screw marked with a red arrow. This sticker will have to be removed in order to reach the screw.

  7. Carefully take out the keyboard and remove all of the 3mm Phillips screws. There is a tiny black tab you have to flip up on the ZIF connector so it can open and safely be removed. There is a tiny black tab you have to flip up on the ZIF connector so it can open and safely be removed.
    • Carefully take out the keyboard and remove all of the 3mm Phillips screws.

    • There is a tiny black tab you have to flip up on the ZIF connector so it can open and safely be removed.

  8. Remove all ribbon cables and connectors from the front and back of the laptop. Remember to open the tiny tabs on ZIF connectors to safely remove them. Remember to open the tiny tabs on ZIF connectors to safely remove them.
    • Remove all ribbon cables and connectors from the front and back of the laptop.

    • Remember to open the tiny tabs on ZIF connectors to safely remove them.

  9. Remove the 3mm screw and safely pull out the cables from the hooks holding them in place. Remove the 3mm screw and safely pull out the cables from the hooks holding them in place.
    • Remove the 3mm screw and safely pull out the cables from the hooks holding them in place.

  10. With care pry open the cover off the laptop using  the regular or metal spudger. With care pry open the cover off the laptop using  the regular or metal spudger.
    • With care pry open the cover off the laptop using the regular or metal spudger.

  11. Unplug the two black cables from the motherboard which are marked by the red squares. Remove all the 3mm screws from the motherboard. Then, carefully remove the motherboard  from the laptop. Always pick up the motherboard by the edges.
    • Unplug the two black cables from the motherboard which are marked by the red squares.

    • Remove all the 3mm screws from the motherboard. Then, carefully remove the motherboard from the laptop.

    • Always pick up the motherboard by the edges.

Conclusão

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

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