Lenovo Yoga 6 – Top Case Assembly, Keyboard & Power Button Replacement Guide

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OVERVIEW:

In this repair guide, we’ll walk you through the full top case replacement process on a Lenovo Yoga 6, model 13ALC05. The primary reason for this repair is a broken power button assembly located on the left side of the top case, which makes the power button non-functional. You’ll be shown how to completely disassemble the laptop, including removing internal components like the SSD, battery, Wi-Fi card, logic board, and display. The top case will then be swapped out, and all parts reinstalled. Follow the steps carefully for a successful repair.

See the official Lenovo specs for the Yoga 6

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REPAIR TIME & SKILL LEVEL:

This repair is estimated to take about 2 to 3 HOURS to complete and is of INTERMEDIATE difficulty, requiring careful handling of internal components and attention to cable routing and screw placements.

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STEPS:

Tools You Need

For this repair, you will need a T5 screwdriver to remove the bottom case screws, a Phillips head screwdriver (small size) for internal components, a plastic spudger for safely prying and disconnecting parts, and a plastic card for careful detachment of adhesive components.

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Remove the Bottom Case

• Use a T5 screwdriver to remove all bottom screws; note that one screw may be missing as shown in the video.
• Use a plastic spudger to gently separate the bottom case from the top case assembly.
• Set the bottom case aside for reinstallation later.

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Disconnect the Battery

• Immediately disconnect the battery before working on any internal components to ensure safety.
• This step is crucial to avoid short circuits during disassembly.

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Pull the SSD

• Use a Phillips head screwdriver to unscrew the SSD retention screw.
• Carefully slide and remove the SSD from its slot and set it aside.

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Remove the Battery

• Unscrew the battery from the chassis using a Phillips screwdriver.
• Gently lift the battery out and set it aside.

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Extract the Wi-Fi Card

• Use the spudger to remove the plastic cover over the Wi-Fi card.
• Unplug the two Wi-Fi antenna cables.
• Unscrew the Wi-Fi card and remove it from the board.

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Disconnect Flex Cables and Internal Components

• Use a spudger to disconnect the following:
  • Fingerprint sensor cable
  • Daughterboard connector (for secondary Wi-Fi)
  • Keyboard connector
  • Keyboard backlight connector
  • Trackpad connector
  • Speaker connector
  • Webcam cable
  • Cooling fan connector
  • LCD display connector

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Eliminate Internal Components

• Unplug and remove the speaker after disconnecting it.
• Unscrew and lift out the CPU cooling fan.
• Disconnect the LCD display cable from the logic board.

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Take away the LCD and the Separate Top Case

• Unscrew three hinge screws on each side to detach the LCD from the assembly.
• Open the laptop to separate the LCD from the top case.
• Set the LCD screen aside carefully.

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Remove the Logic Board

• Unscrew the bracket for the right-side USB-C port.
• Remove the center screw from the logic board.
• Gently lift the logic board and set it aside.

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Remove the Trackpad from the Old Top Case

• Disconnect the trackpad cable from both ends.
• Use a Phillips screwdriver to remove the four screws holding the trackpad.
• Remove the securing tape and gently lift the trackpad from the old top case.
• Set the old top case aside.

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Install the Trackpad into the New Top Case

• Align the trackpad with the slots on the new top case.
• Screw it in using the original four Phillips head screws.
• Plug in the wireless connector cable (attached to the trackpad) into the small daughterboard.

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Install the Logic Board

• Clean out any dust or debris near the logic board area.
• Carefully place the logic board back into position, starting from the left side.
• Reconnect the following cables:
  • Trackpad cable
  • Keyboard backlight cable
  • Keyboard cable
  • Fingerprint sensor cable
  • Wireless daughterboard connector

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Secure the Logic Board and Cooling Fan

• Screw the logic board into place using its mounting screws.
• Reinstall the bracket for the right USB-C port.
• Reinstall the CPU fan and secure it with two screws.

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Reinstall the Speakers and Wi-Fi Card

• Reinstall the speaker module and ensure it is connected properly.
• Reinsert the Wi-Fi card and reconnect the antenna cables (match by color and label).
• Snap the Wi-Fi card cover back into place to secure the cables.

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Reinstall the LCD Display

• Position the LCD against the top case while ensuring cables are not pinched.
• Slowly open the unit and make sure all cables are routed properly.
• Plug in the LCD and webcam cables.
• Secure both hinges using the original screws.

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Re-establish SSD and Battery

• Insert the SSD into its slot and secure it with the retention screw.
• Reinstall the battery and screw it into place.
• Plug the battery connector back into the motherboard.

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Reattach the Bottom Case

• Place the bottom case back on the unit and press around the edges to snap it into place.
• Secure it with the T5 screws.

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Power On and Test the Laptop

• Plug in the power cable; an orange charging indicator should appear.
• Open the unit and press the power button.
• The Lenovo logo should appear as the system boots into Windows.
• Confirm that the device is functioning correctly.

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CONCLUSION:

Replacing the top case assembly on a Lenovo Yoga 6 requires patience and precision, but following each step ensures a successful repair. This fix resolves the power button issue caused by a broken housing. With all internal components properly reinstalled and reconnected, the system should operate like new. Always double-check cable connections and screw placements before powering on. If everything was done right, your Yoga 6 is now fully restored.

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VIDEO TUTORIAL:

Looking for a more in-depth tutorial? Check out our complete teardown video for a detailed step-by-step walkthrough.

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MAIL-IN REPAIR SERVICE:

We offer professional screen replacement services. If you’re unsure about doing this repair yourself, send your device to our expert technicians for fast and reliable repair.

https://tekdep.com/device-repair/

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SHOP PARTS:

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SHOP TOOLS:

Using precision tools ensures a safe and efficient repair. Always use the right tools to prevent damage to delicate components. High-quality tools make disassembly and reassembly much easier.

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HAVE QUESTIONS?

We’re here to help! Contact us:

• Phone: 818-456-4479
• Email: support@tekdep.com

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