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Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement

Introduction

If your Lenovo Thinkpad X1 Carbon 4th Generation is experiencing black screens or going blank randomly, use this guide to replace the screen (also known as the display).

The screen uses a ribbon cable to send the information to the motherboard. A loose ribbon cable connection will cause the same issues like a broken screen.

Before using this guide, inspect the ribbon cable connection for a loose or non-existent connection, which has the possibility of making the screen dysfunctional. Be sure to fully reassemble the computer before testing the screen.

Before beginning, make sure to power off your computer completely and disconnect from any external power source.

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  1. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Bottom Panel: étape 1, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Bottom Panel: étape 1, image 2 de 2

    • Unscrew the nine captive screws on the bottom cover of the laptop using a Phillips #1 screwdriver.

    • The screws do not fully come out of the back cover, so there is no need for screw management.

    • There are a few small clips around the edge that you may need to pry at to free them. An opening pick may be helpful for this process.

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  2. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 2, image 1 de 1

    • Lift the back cover up and off of the computer.

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  3. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Coin Cell Battery: étape 3, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Coin Cell Battery: étape 3, image 2 de 2

    • Peel back the plastic protective cover above the main battery section to expose the coin-cell's red and black wires.

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  4. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 4, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 4, image 2 de 2

    • Gently unplug the coin-cell wires from the connector by pulling horizontally away from the connector.

    • Lift the coin cell out from the computer.

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  5. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Speakers: étape 5, image 1 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Speakers: étape 5, image 2 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Speakers: étape 5, image 3 de 3

    • Carefully unplug the speaker connector by pulling it towards you.

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  6. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 6, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 6, image 2 de 2

    • Remove the two 5 mm screws on each speaker with a Phillips #1 screwdriver.

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  7. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 7, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 7, image 2 de 2

    • Unweave the blue and white wires from underneath the plastic tabs connected to the battery.

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  8. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 8, image 1 de 1

    • Lift each speaker up and out from the computer.

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  9. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Lithium Battery: étape 9, image 1 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Lithium Battery: étape 9, image 2 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Lithium Battery: étape 9, image 3 de 3

    • Carefully lift the far end of the battery connector with an opening tool facing towards you.

    • Remove the connector by pushing it forward and lifting.

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  10. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 10, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 10, image 2 de 2

    • Remove the central 5 mm screw with a Phillips #1 screwdriver.

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  12. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 11, image 1 de 1

    • Lift the battery up and out of the computer.

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  13. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Cooling Fan: étape 12, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Cooling Fan: étape 12, image 2 de 2

    • Peel off the black protective film to the left of the fan.

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  14. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 13, image 1 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 13, image 2 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 13, image 3 de 3

    • Do not remove the four screws closest to the fan. They do not affect the fan assembly.

    • Disconnect the antenna wires on green the wireless LAN card to the left of the fan.

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  15. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 14, image 1 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 14, image 2 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 14, image 3 de 3

    • Lift up the hinge connector that is attached to the fan's ribbon cable.

    • Carefully disconnect the cable by pulling outwards from the ribbon connector.

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  16. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 15, image 1 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 15, image 2 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 15, image 3 de 3

    • Loosen the screws on the 'x' configuration of metal.

    • These screws are held on to the metal 'x', so don't worry about them falling out.

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  17. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 16, image 1 de 1

    • Lift the fan upwards from the board.

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  18. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 17, image 1 de 1

    • It's best practice to replace the old thermal paste under the 'x' configuration of metal. (Guides on how to replace thermal paste can be found here.)

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  19. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Wireless LAN Card: étape 18, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Wireless LAN Card: étape 18, image 2 de 2

    • Remove the protective film to the left of the fan assembly.

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  20. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 19, image 1 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 19, image 2 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 19, image 3 de 3

    • Carefully disconnect the gray and black antenna connectors on the green wireless LAN card by lifting under the antennas with an opening tool.

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  21. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 20, image 1 de 1

    • Remove the 2.5 mm screw holding the card in place with a Phillips #1 screwdriver.

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  22. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 21, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 21, image 2 de 2

    • Carefully slide the wireless card out of the slot by pulling it to the right.

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  23. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Motherboard: étape 22, image 1 de 1

    • Using a Phillips #0 screwdriver, remove the two 5 mm screws securing the USB ports on the righthand side of the motherboard.

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  24. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 23, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 23, image 2 de 2

    • The white triangle symbol on the motherboard identifies the longer 5mm length screws.

    • Using a Phillips #0 screwdriver, remove the five 5mm screws.

    • The white square symbol on the motherboard identifies 2mm length screws.

    • Using a Phillips #0 screwdriver, remove the four 2mm screws.

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  25. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 24, image 1 de 1

    • Remove the 7 ribbon cables connecting the motherboard to their respective components by flipping up the locking black tabs with a spudger and pulling the cables from their connectors.

    • Remove the red and blue wires attached to the motherboard.

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  26. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 25, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 25, image 2 de 2

    • Using the plastic opening tool, gently lift up on the motherboard.

    • If resistance is felt double check to make sure all the screws and ribbon cables are out.

    • Lift the motherboard out from the computer.

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  27. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Display: étape 26, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement, Display: étape 26, image 2 de 2

    • Notice the location of the screws, as the top outside corner of each side does not get a screw.

    • Using a Phillips #0 screwdriver, remove the four 5 mm silver screws from the display hinges.

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  28. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 27, image 1 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 27, image 2 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 27, image 3 de 3

    • Using a Phillips #0 screwdriver, remove the two 2 mm screws securing the wires in place.

    • Gently remove the wires from their tight fit pinch clamps.

    • Gently wiggle the display brackets back and forth until the display is off.

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  29. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 28, image 1 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 28, image 2 de 3 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 28, image 3 de 3

    • Insert the plastic opening tool into the side of the display in between the gaps, separating the bezel from the rest of the display.

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  30. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 29, image 1 de 1

    • Using a Phillips #0 screwdriver, remove the four 2 mm screws securing the display to the cover.

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  31. Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 30, image 1 de 2 Lenovo Thinkpad X1 Carbon 4th Gen Display Replacement: étape 30, image 2 de 2

    • Lift up on the screen.

    • Disconnect the ribbon cable connecting the circuit board to the display.

    • Do not remove the Do Not Touch Tape.

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Conclusion

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

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