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Use this guide to replace the antenna kit in your Lenovo ThinkPad T480s laptop..

The antenna kit includes the WWAN and WLAN replacement cables and antennas. Some signs of a faulty or failed antenna kit include low performing Wi-Fi signal or no signal at all.

If your antenna kit has started to fail, and you are no longer receiving a strong signal it may be time to replace the antenna kit. Before attempting an antenna kit replacement, you may be able to resolve the issue using Lenovo’s troubleshooting guide.

Before attempting to replace the antenna kit, make sure to disable the internal battery, power down your device, and disconnect from any external power sources.

  1. Disable the battery, power down the device, and unplug the power adapter from your device before proceeding/beginning the guide. Loosen the six captive screws with a Phillips #1 screwdriver.
    • Disable the battery, power down the device, and unplug the power adapter from your device before proceeding/beginning the guide.

    • Loosen the six captive screws with a Phillips #1 screwdriver.

  2. Remove the bottom cover with an opening tool. Start from the top edge near the hinge and work your way along the edge until all of the clips are unsnapped. Start from the top edge near the hinge and work your way along the edge until all of the clips are unsnapped.
    • Remove the bottom cover with an opening tool.

    • Start from the top edge near the hinge and work your way along the edge until all of the clips are unsnapped.

  3. Lift the bottom cover off. Lift the bottom cover off.
    • Lift the bottom cover off.

  4. Use the spudger to disconnect the coaxial cables from the Wi-Fi card and WWAN card. When reassembling the Wi-Fi card, reattach the gray wire closest to the screw and the black wire on the other side of the gray wire. With the WWAN card, reattach the blue wire on the left and the orange wire on the right. When reassembling the Wi-Fi card, reattach the gray wire closest to the screw and the black wire on the other side of the gray wire. With the WWAN card, reattach the blue wire on the left and the orange wire on the right.
    • Use the spudger to disconnect the coaxial cables from the Wi-Fi card and WWAN card.

    • When reassembling the Wi-Fi card, reattach the gray wire closest to the screw and the black wire on the other side of the gray wire. With the WWAN card, reattach the blue wire on the left and the orange wire on the right.

  5. Use the spudger to disconnect the LCD cable from the motherboard. Use the spudger to disconnect the LCD cable from the motherboard. Use the spudger to disconnect the LCD cable from the motherboard.
    • Use the spudger to disconnect the LCD cable from the motherboard.

  6. Disconnect the camera cable from the motherboard using a spudger. Disconnect the camera cable from the motherboard using a spudger. Disconnect the camera cable from the motherboard using a spudger.
    • Disconnect the camera cable from the motherboard using a spudger.

  7. Remove all antenna cables from their routing. Remove all antenna cables from their routing.
    • Remove all antenna cables from their routing.

  8. Using the Phillips #1 screwdriver, remove three 5 mm screws from the left hinge and three 5 mm screws from the right hinge. Using the Phillips #1 screwdriver, remove three 5 mm screws from the left hinge and three 5 mm screws from the right hinge. Using the Phillips #1 screwdriver, remove three 5 mm screws from the left hinge and three 5 mm screws from the right hinge.
    • Using the Phillips #1 screwdriver, remove three 5 mm screws from the left hinge and three 5 mm screws from the right hinge.

  9. Carefully rotate the hinges upward and remove the bottom of the machine from the LCD unit. Carefully rotate the hinges upward and remove the bottom of the machine from the LCD unit. Carefully rotate the hinges upward and remove the bottom of the machine from the LCD unit.
    • Carefully rotate the hinges upward and remove the bottom of the machine from the LCD unit.

  10. Using the spudger, pry the LCD bezel up from the edges starting near the hinges. It is attached by adhesive so be careful not to break it. You may hear loud snaps when detaching the clips; this is normal. It is attached by adhesive so be careful not to break it. You may hear loud snaps when detaching the clips; this is normal.
    • Using the spudger, pry the LCD bezel up from the edges starting near the hinges.

    • It is attached by adhesive so be careful not to break it. You may hear loud snaps when detaching the clips; this is normal.

  11. Use the spudger to remove the internal bezel. Start at the corner by the hinge and lift the edge of the internal bezel up with the pointed end of the spudger. Hold the internal bezel with your fingers and work your way around the perimeter of the screen carefully pulling the bezel up.
    • Use the spudger to remove the internal bezel.

    • Start at the corner by the hinge and lift the edge of the internal bezel up with the pointed end of the spudger.

    • Hold the internal bezel with your fingers and work your way around the perimeter of the screen carefully pulling the bezel up.

    • You will feel resistance and hear snapping as you remove the bezel because it is connected with clips. Be careful that you don't crack the bezel. The plastic is delicate in places.

  12. Remove four 2.9 mm screws from the LCD panel using the Phillips #1 screwdriver. Remove four 2.9 mm screws from the LCD panel using the Phillips #1 screwdriver.
    • Remove four 2.9 mm screws from the LCD panel using the Phillips #1 screwdriver.

  13. Gently lift the panel and flip it over. The panel is still connected to the unit by the LCD cable so be careful not to rip the connector when flipping it over. The panel is still connected to the unit by the LCD cable so be careful not to rip the connector when flipping it over.
    • Gently lift the panel and flip it over.

    • The panel is still connected to the unit by the LCD cable so be careful not to rip the connector when flipping it over.

  14. Peel back the tape covering the LCD cable connector. Use the spudger to unlock the LCD cable.
    • Peel back the tape covering the LCD cable connector.

    • Use the spudger to unlock the LCD cable.

  15. Remove the LCD cable from the socket. Remove the LCD cable from the socket.
    • Remove the LCD cable from the socket.

  16. Remove the LCD panel from the system. Remove the LCD panel from the system.
    • Remove the LCD panel from the system.

  17. Use the Phillips #1 screwdriver to remove two 2.8 mm screws from the hinge in the upper right corner. Use the Phillips #1 screwdriver to remove two 2.8 mm screws from the hinge in the upper right corner.
    • Use the Phillips #1 screwdriver to remove two 2.8 mm screws from the hinge in the upper right corner.

  18. Remove the hinge in the upper right corner. Remove the hinge in the upper right corner.
    • Remove the hinge in the upper right corner.

  19. Use a Phillips #1 screwdriver to remove two 2.8 mm screws from the hinge in the upper left corner. Use a Phillips #1 screwdriver to remove two 2.8 mm screws from the hinge in the upper left corner.
    • Use a Phillips #1 screwdriver to remove two 2.8 mm screws from the hinge in the upper left corner.

  20. Remove the hinge in the upper left corner. Remove the hinge in the upper left corner.
    • Remove the hinge in the upper left corner.

  21. Pry the metallic tape and the black and blue antenna from the LCD Unit. Pry the metallic tape and the black and blue antenna from the LCD Unit. Pry the metallic tape and the black and blue antenna from the LCD Unit.
    • Pry the metallic tape and the black and blue antenna from the LCD Unit.

  22. Lift the black and blue cables from the routing. Lift the black and blue cables from the routing.
    • Lift the black and blue cables from the routing.

  23. Pry the metallic tape and the grey and orange antenna cables from the unit. Lift the grey and orange antenna cables from the routing. Lift the grey and orange antenna cables from the routing.
    • Pry the metallic tape and the grey and orange antenna cables from the unit.

    • Lift the grey and orange antenna cables from the routing.

Conclusie

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

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

Sarah Westberg

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