Lenovo N21 Chromebook Motherboard and Camera Replacement

Geschrieben von: Lynette Cox
  • Kommentare: 4
Lenovo N21 Chromebook Motherboard and Camera Replacement

Schwierigkeitsgrad

Difficult

Schritte

25

Zeitaufwand

25 Minuten

Einleitung

All of the processing power of the Lenovo N21 Chromebook comes from its motherboard. In order to fix issues with the RAM, hard drive, CPU, or graphics, the whole motherboard may need replacement. In order to replace the motherboard or the camera, you will need to replace both pieces because they are connected.

Be careful when dealing with the motherboard. It is very sensitive due to its small parts. When removing it, take extra care not to touch the CPU because oil from fingers may damage the piece.

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    • Power down the Chromebook before starting any repair.

    • Opening up your Chromebook voids the manufacturer warranty.

    • Use a screwdriver to remove the six 5.0mm Phillips screws from the bottom housing of the Chromebook.

    Where is write Protect Screw ???
    Please
    Lenovo N21 Chrome Book

    MAC IT -

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    • Use a plastic opening tool to pry off the four rubber pegs from the bottom housing.

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    • Use a screwdriver to remove the four 5.0mm Phillips screws located under the rubber soles.

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    • Flip the laptop over and open the screen.

    • Gently pry the keyboard and trackpad panel away from the bottom housing using a plastic opening tool.

    • Once completely separated, do not immediately pull the panel completely away from the bottom housing. There are wires that are still connecting the panel to the rest of the internals of the Chromebook.

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    • Disconnect the keyboard ribbon cable by lifting the ZIF connector lock with a plastic opening tool or fingernail and gently pulling the ribbon cable straight out of its socket.

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    • Disconnect the trackpad ribbon cable by lifting the ZIF connector lock with a small prying tool or fingernail and gently pulling the ribbon cable straight out of its socket.

    My replacements did not come with the trackpad zif. I had to remove from the old part and move to the new part.

    Michael Selburg -

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    • Remove the keyboard and trackpad panel away from the device.

    Has anyone gone through the experience of replacing JUST the keyboard? It looks like they are available as a separate component, e.g. https://www.ebay.com/itm/New-for-Lenovo-... but I haven’t found a tutorial on removing the keyboard from its bezel. Thanks!

    mbates -

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    • Use a screwdriver to remove the single 3mm Phillips screw that is holding the WiFi card in place.

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    • Remove the black and white wires attached to WiFi card by gently lifting them upwards.

    • When re-attaching the wires, make sure they are in the correct placement. You do not want to switch the black and white wires.

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    • Remove the WiFi card by pulling it straight out of its connector.

    • Keep the WiFi card horizontal and pull straight back to avoid causing the part harm.

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    • Carefully pry off the six small rubber pads around the screen with a plastic opening tool to expose the screws.

    • There are two rubber pads without screws underneath that do not need to be removed.

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    • Remove the six 4.0mm Phillips screws that are underneath the rubber pads with a screwdriver.

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    • Use a plastic opening tool to carefully pry the thin plastic frame away from the screen.

    • The bottom edge of the frame has adhesive on it, and will take a little more power to peel away. Be careful not to bend the plastic too far or it will snap.

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    • Remove the four 3.0mm Phillips screws symmetrically placed on either side of the screen.

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    • Pull the cable connecting the motherboard to the screen straight out from the back of the screen.

    • The screen is very fragile. When handling it, avoid applying uneven pressure on or bending the screen.

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    • Remove the screen from the device.

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    • Remove the two 4.0 mm Phillips screws from the right side of the camera.

    • Once the two screws are removed, carefully pull the camera off the top of the screen.

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    • Disconnect the battery by pulling the battery cable connector straight out.

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    • Disconnect the USB cable from its ZIF connector by lifting up on the ZIF tab and pulling the cable straight out.

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    • Disconnect the speakers by pulling the two speaker cables straight out of their connectors.

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    • Use a screwdriver to remove the five 3.0mm Phillips screws from the motherboard.

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    • Use a screwdriver to loosen the two screws that are attached to the CPU cover in the center of the motherboard.

    • Do not attempt to completely remove the screws from the CPU cover, just unscrew them in their place until the CPU cover can be removed.

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    • Lift the CPU cover away from the CPU.

    • Do not touch the CPU itself once its metal cover is removed. The CPU is extremely delicate, and oil from fingers may damage the part.

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    • The motherboard is now free from the bottom housing of the Chromebook.

    • The camera is still connected to the motherboard, so the camera needs to also be removed before the two components can be completely removed.

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    • Carefully remove the camera with the motherboard by gently pulling on the wires that are adhered to the back of the screen cover.

    • The motherboard and camera can now be removed from the device.

Abschluss

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

Tinte & Feder

Lynette Cox

Mitglied seit: 26/04/17

745 Reputation

Ein Kommentar

Can you just remove the webcam and leave it like that?

robert bailey -