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Lenovo Yoga Book X90F Motherboard Replacement

Introduction

Lenovo Yoga Book X90F. Model number: Lenovo YB-J912F. This guide will help to replace the hard drive if the hard drive is not functioning properly. Please follow this link to troubleshoot the device and determine if the problems are indicative of a faulty hard drive.

The hard drive is the operating process of the computer that contains the software necessary to run the computer, so a faulty hard drive will significantly impact the operation of the device.

Please be aware that the bottom screen needed for removal to complete this repair is very fragile, so be cautious of broken glass. A cracked bottom screen will not operate as it should, so the bottom screen may need to be replaced as well.

What you need

  1. Lenovo Yoga Book X90F Motherboard Replacement, Bottom Screen/Keyboard: step 1, image 1 of 1

    • Turn off and power down the device before beginning this process. A heat gun or hair dryer will be suitable to heat the adhesive that holds down the screen. Apply heat to the entire surface area of the bottom screen.

    • New adhesive will be required when completing the steps in reverse order.

    Edit

  2. Lenovo Yoga Book X90F Motherboard Replacement: step 2, image 1 of 2 Lenovo Yoga Book X90F Motherboard Replacement: step 2, image 2 of 2

    • Once the adhesive has been heated up, take the iFixIt suction cup and lift in a corner. The screen should be separating from the adhesive here.

    • While the screen is lifted, insert the ifixit opening pick to help pry off the screen.

    • The screen may crack easily as it is thin and fragile.

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  3. Lenovo Yoga Book X90F Motherboard Replacement: step 3, image 1 of 1

    • While the screen has been lifted, insert the plastic opening picks. Heat the adhesive and follow with the screen removal tool to ensure that you are not prying it apart with excessive force.

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  4. Lenovo Yoga Book X90F Motherboard Replacement: step 4, image 1 of 3 Lenovo Yoga Book X90F Motherboard Replacement: step 4, image 2 of 3 Lenovo Yoga Book X90F Motherboard Replacement: step 4, image 3 of 3

    • After the screen has been opened, disconnect the ribbon connecting the bottom screen to the motherboard by gently pulling the ribbon with tweezers.

    • If there are black coverings on the tabs as shown in the second image, carefully remove them using a pair of tweezers.

    • You can find more information on Zero Insertion Force (ZIF) connectors on this guide.

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  5. Lenovo Yoga Book X90F Motherboard Replacement: step 5, image 1 of 1

    • Separate and remove the bottom screen from the device.

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  6. Lenovo Yoga Book X90F Motherboard Replacement, Battery: step 6, image 1 of 3 Lenovo Yoga Book X90F Motherboard Replacement, Battery: step 6, image 2 of 3 Lenovo Yoga Book X90F Motherboard Replacement, Battery: step 6, image 3 of 3

    • Using a JIS #0 screwdriver, remove the single 8 mm screw.

    • Disconnect the battery cable from the motherboard.

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  8. Lenovo Yoga Book X90F Motherboard Replacement: step 7, image 1 of 1

    • Use the opening pick to remove the two black strips on each side of the battery so the battery is cleared of any obstructions.

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  9. Lenovo Yoga Book X90F Motherboard Replacement: step 8, image 1 of 2 Lenovo Yoga Book X90F Motherboard Replacement: step 8, image 2 of 2

    • The battery is glued down to the frame of the computer.

    • Wedge the opening pick underneath the battery and work your around the battery.

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  10. Lenovo Yoga Book X90F Motherboard Replacement: step 9, image 1 of 1

    • Once the adhesive begins to unstick from the battery, remove the battery from the device.

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  11. Lenovo Yoga Book X90F Motherboard Replacement, Motherboard: step 10, image 1 of 2 Lenovo Yoga Book X90F Motherboard Replacement, Motherboard: step 10, image 2 of 2

    • Above the battery on the bottom of the computer is the motherboard. On the left side of it, there is a strip of black tape covering a connection to the computer.

    • Remove the tape, and pull the connection off the motherboard.

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  12. Lenovo Yoga Book X90F Motherboard Replacement: step 11, image 1 of 2 Lenovo Yoga Book X90F Motherboard Replacement: step 11, image 2 of 2

    • Disconnect the ribbon cable from the motherboard.

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  13. Lenovo Yoga Book X90F Motherboard Replacement: step 12, image 1 of 3 Lenovo Yoga Book X90F Motherboard Replacement: step 12, image 2 of 3 Lenovo Yoga Book X90F Motherboard Replacement: step 12, image 3 of 3

    • Remove the two pieces of tape to reveal two ribbon cables.

    • Disconnect the two ribbon cables from the motherboard.

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  14. Lenovo Yoga Book X90F Motherboard Replacement: step 13, image 1 of 3 Lenovo Yoga Book X90F Motherboard Replacement: step 13, image 2 of 3 Lenovo Yoga Book X90F Motherboard Replacement: step 13, image 3 of 3

    • Disconnect the two cables on the right hand side of the motherboard.

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  15. Lenovo Yoga Book X90F Motherboard Replacement: step 14, image 1 of 2 Lenovo Yoga Book X90F Motherboard Replacement: step 14, image 2 of 2

    • On the left side of the motherboard, there is a silver metal plate with a screw holding the motherboard to the computer.

    • Using the JIS #00 screwdriver, remove the single 8 mm screw and the plate from over the motherboard.

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  16. Lenovo Yoga Book X90F Motherboard Replacement: step 15, image 1 of 2 Lenovo Yoga Book X90F Motherboard Replacement: step 15, image 2 of 2

    • Underneath the plate are three wires.

    • Disconnect the three cables from the motherboard.

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  17. Lenovo Yoga Book X90F Motherboard Replacement: step 16, image 1 of 3 Lenovo Yoga Book X90F Motherboard Replacement: step 16, image 2 of 3 Lenovo Yoga Book X90F Motherboard Replacement: step 16, image 3 of 3

    • Using the JIS #00 screwdriver, remove three 8 mm screws at the top of the motherboard.

    Edit

  18. Lenovo Yoga Book X90F Motherboard Replacement: step 17, image 1 of 2 Lenovo Yoga Book X90F Motherboard Replacement: step 17, image 2 of 2

    • Using a pair of tweezers, pull the motherboard off the computer.

    Edit
Conclusion

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

Author

with 2 other contributors

Ryan James

Member since: 09/28/21

157 Reputation

1 Guide authored

Badges: 3

Team

Clemson, Team 5-2, Hunter Fall 2021 Member of Clemson, Team 5-2, Hunter Fall 2021

CLEM-HUNTER-F21S5G2

5 Members

6 Guides authored

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