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はじめに

Use this guide to replace the WLAN antennas in your Lenovo ThinkPad T470 laptop.

The WLAN (wireless local area network), or Wi-Fi, antennas boost the wireless signal strength in your laptop. It may be tricky to diagnose a faulty WLAN antenna, so be sure to rule out other connectivity issues listed here before replacing your WLAN antennas. If your laptop requires a Wi-Fi card replacement, follow this guide.

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

  1. Before you begin this guide, make sure to disable the internal battery, power down your device, and disconnect from any external power sources. Place the laptop so that the bottom is facing upwards. Slide the latch on the left side of the battery to the left until it clicks in place.
    • Before you begin this guide, make sure to disable the internal battery, power down your device, and disconnect from any external power sources.

    • Place the laptop so that the bottom is facing upwards.

    • Slide the latch on the left side of the battery to the left until it clicks in place.

  2. Slide the latch on the right side of the battery to the right and hold it in place with your thumb. Use your other hand to slide the battery towards the back of the laptop. Lift the battery up and away from the laptop.
    • Slide the latch on the right side of the battery to the right and hold it in place with your thumb.

    • Use your other hand to slide the battery towards the back of the laptop.

    • Lift the battery up and away from the laptop.

  3. Use a Phillips #1 screwdriver to loosen the six captive screws on the bottom cover of the laptop. Use a Phillips #1 screwdriver to loosen the six captive screws on the bottom cover of the laptop.
    • Use a Phillips #1 screwdriver to loosen the six captive screws on the bottom cover of the laptop.

  4. Place the laptop so that the top is facing upwards. Open the lid of the laptop.
    • Place the laptop so that the top is facing upwards.

    • Open the lid of the laptop.

  5. Place your fingers on the bottom edge of the keyboard. Use a small amount of pressure to push the keyboard towards the screen.
    • Place your fingers on the bottom edge of the keyboard.

    • Use a small amount of pressure to push the keyboard towards the screen.

  6. Grab the bottom edge of the keyboard with your hands, and flip the keyboard upside-down, so it rests on the bottom of the laptop. Potential for device damage: The keyboard is still attached to the rest of the laptop, so be gentle when flipping it over. Potential for device damage: The keyboard is still attached to the rest of the laptop, so be gentle when flipping it over.
    • Grab the bottom edge of the keyboard with your hands, and flip the keyboard upside-down, so it rests on the bottom of the laptop.

    • Potential for device damage: The keyboard is still attached to the rest of the laptop, so be gentle when flipping it over.

  7. Use the flat end of a spudger to flip up the locking flaps securing each of the two ribbon cables. Use the flat end of a spudger to flip up the locking flaps securing each of the two ribbon cables.
    • Use the flat end of a spudger to flip up the locking flaps securing each of the two ribbon cables.

  8. Use your hands to lift the keyboard up and away from the laptop. Use your hands to lift the keyboard up and away from the laptop.
    • Use your hands to lift the keyboard up and away from the laptop.

  9. Close the laptop's lid and flip the laptop over so that the bottom is facing upwards.
    • Close the laptop's lid and flip the laptop over so that the bottom is facing upwards.

  10. Use your hands to pull up on the back cover and release the plastic clips starting on the bottom side of the battery compartment. Potential for device damage: Be sure to detach the plastic clips in this area first. You risk cracking the bottom cover if you attempt to detach it from around the edges of the laptop first. Use your hands to pull up on the right side of the bottom cover to release the plastic clips.
    • Use your hands to pull up on the back cover and release the plastic clips starting on the bottom side of the battery compartment.

    • Potential for device damage: Be sure to detach the plastic clips in this area first. You risk cracking the bottom cover if you attempt to detach it from around the edges of the laptop first.

    • Use your hands to pull up on the right side of the bottom cover to release the plastic clips.

    • Use your hands to pull up on the left side of the bottom cover to release the plastic clips.

  11. Remove the bottom cover from the laptop.
    • Remove the bottom cover from the laptop.

  12. Use a Phillips #1 screwdriver to remove two 5 mm screws from the internal battery. Use a Phillips #1 screwdriver to remove two 5 mm screws from the internal battery.
    • Use a Phillips #1 screwdriver to remove two 5 mm screws from the internal battery.

  13. Use your hands to lift the battery up and away from the laptop. Use your hands to lift the battery up and away from the laptop. Use your hands to lift the battery up and away from the laptop.
    • Use your hands to lift the battery up and away from the laptop.

  14. Use your fingers to flip the black flap covering the top stick of RAM down. Use your fingers to flip the black flap covering the top stick of RAM down.
    • Use your fingers to flip the black flap covering the top stick of RAM down.

  15. Use your thumbs to push the metal clips on either end of the RAM outwards. The RAM will pop up by a few millimeters.
    • Use your thumbs to push the metal clips on either end of the RAM outwards.

    • The RAM will pop up by a few millimeters.

  16. Use your fingers to lift the RAM out of its socket and away from the laptop to remove it. Use your fingers to lift the RAM out of its socket and away from the laptop to remove it.
    • Use your fingers to lift the RAM out of its socket and away from the laptop to remove it.

  17. Use your fingers to flip the black flap covering the bottom stick of RAM up. Use your thumbs to push the metal clips on either end of the RAM outwards. The RAM will pop up by a few millimeters.
    • Use your fingers to flip the black flap covering the bottom stick of RAM up.

    • Use your thumbs to push the metal clips on either end of the RAM outwards.

    • The RAM will pop up by a few millimeters.

  18. Use your fingers to lift the RAM out of its socket and away from the laptop to remove it. Use your fingers to lift the RAM out of its socket and away from the laptop to remove it.
    • Use your fingers to lift the RAM out of its socket and away from the laptop to remove it.

  19. Use the flat end of a spudger to flip up the metal clip securing the SSD connector to the motherboard. Use the flat end of a spudger to flip up the metal clip securing the SSD connector to the motherboard.
    • Use the flat end of a spudger to flip up the metal clip securing the SSD connector to the motherboard.

  20. Use the flat end of a spudger to separate the connector from its socket. Use the flat end of a spudger to separate the connector from its socket.
    • Use the flat end of a spudger to separate the connector from its socket.

  21. Grab the tab on the left side of the hard drive, and pull up to remove it from the laptop. Grab the tab on the left side of the hard drive, and pull up to remove it from the laptop.
    • Grab the tab on the left side of the hard drive, and pull up to remove it from the laptop.

  22. Use a finger to press the black flap covering the Wi-Fi card down. Use a finger to press the black flap covering the Wi-Fi card down.
    • Use a finger to press the black flap covering the Wi-Fi card down.

  23. Use the flat end of a spudger to disconnect the two coaxial wires from the Wi-Fi card. When reassembling, reattach the gray wire on the left and the black wire on the right. When reassembling, reattach the gray wire on the left and the black wire on the right.
    • Use the flat end of a spudger to disconnect the two coaxial wires from the Wi-Fi card.

    • When reassembling, reattach the gray wire on the left and the black wire on the right.

  24. Use a Phillips #1 screwdriver to remove the single 4 mm screw from the Wi-Fi card. Use a Phillips #1 screwdriver to remove the single 4 mm screw from the Wi-Fi card.
    • Use a Phillips #1 screwdriver to remove the single 4 mm screw from the Wi-Fi card.

  25. Use your fingers to lift the Wi-Fi card up and out of its slot. This laptop does not include a WWAN card, but if yours does, follow the same procedure as Steps 9-12 to remove it. This laptop does not include a WWAN card, but if yours does, follow the same procedure as Steps 9-12 to remove it.
    • Use your fingers to lift the Wi-Fi card up and out of its slot.

    • This laptop does not include a WWAN card, but if yours does, follow the same procedure as Steps 9-12 to remove it.

  26. Use a pair of blunt nose tweezers to pull the white connector out of its socket. Use a pair of blunt nose tweezers to pull the white connector out of its socket.
    • Use a pair of blunt nose tweezers to pull the white connector out of its socket.

  27. Grab the wire attached to the coin cell battery, and lift it up and out of the laptop. Grab the wire attached to the coin cell battery, and lift it up and out of the laptop. Grab the wire attached to the coin cell battery, and lift it up and out of the laptop.
    • Grab the wire attached to the coin cell battery, and lift it up and out of the laptop.

  28. Use a pair of blunt nose tweezers to pull the white fan connector out of its socket on the motherboard. Use a pair of blunt nose tweezers to pull the white fan connector out of its socket on the motherboard.
    • Use a pair of blunt nose tweezers to pull the white fan connector out of its socket on the motherboard.

  29. Use a Phillips #1 screwdriver to loosen the first pair of captive screws on the fan and heat sink assembly in a crosswise pattern.
    • Use a Phillips #1 screwdriver to loosen the first pair of captive screws on the fan and heat sink assembly in a crosswise pattern.

    • Use a Phillips #1 screwdriver to loosen the second pair of captive screws on the fan and heat sink assembly in a crosswise pattern.

  30. Use your hand to pull the fan and heat sink assembly up and away from the laptop. Clean the thermal paste from the heatsink and CPU and reapply fresh paste before reassembling.
    • Use your hand to pull the fan and heat sink assembly up and away from the laptop.

    • Clean the thermal paste from the heatsink and CPU and reapply fresh paste before reassembling.

  31. Use the flat end of a spudger to flip up the metal clip securing the LCD cable to the motherboard. Use the flat end of a spudger to flip up the metal clip securing the LCD cable to the motherboard.
    • Use the flat end of a spudger to flip up the metal clip securing the LCD cable to the motherboard.

  32. Use the flat end of a spudger to disconnect the LCD cable from its socket on the motherboard. Use the flat end of a spudger to disconnect the LCD cable from its socket on the motherboard.
    • Use the flat end of a spudger to disconnect the LCD cable from its socket on the motherboard.

  33. Use the flat end of a spudger to flip the power button cable's black tab up. Use the flat end of a spudger to flip the power button cable's black tab up.
    • Use the flat end of a spudger to flip the power button cable's black tab up.

  34. Use the flat end of a spudger to slide the power button cable out of its connector on the motherboard. Use the flat end of a spudger to slide the power button cable out of its connector on the motherboard.
    • Use the flat end of a spudger to slide the power button cable out of its connector on the motherboard.

  35. Use your fingers to detach the red and blue antenna cables from their slots. Use your fingers to detach the red and blue antenna cables from their slots. Use your fingers to detach the red and blue antenna cables from their slots.
    • Use your fingers to detach the red and blue antenna cables from their slots.

  36. Use a Phillips #1 screwdriver to remove the two 4 mm screws from the USB bracket. Use a Phillips #1 screwdriver to remove the two 4 mm screws from the USB bracket.
    • Use a Phillips #1 screwdriver to remove the two 4 mm screws from the USB bracket.

  37. Use your fingers to lift the USB bracket up and away from the laptop. Use your fingers to lift the USB bracket up and away from the laptop. Use your fingers to lift the USB bracket up and away from the laptop.
    • Use your fingers to lift the USB bracket up and away from the laptop.

  38. Use a pair of blunt nose tweezers to disconnect the DC-in cable from its socket on the motherboard. Use a pair of blunt nose tweezers to disconnect the DC-in cable from its socket on the motherboard.
    • Use a pair of blunt nose tweezers to disconnect the DC-in cable from its socket on the motherboard.

  39. Use the flat end of a spudger to flip up the metal bracket securing the camera cable to the motherboard. Use the flat end of a spudger to flip up the metal bracket securing the camera cable to the motherboard.
    • Use the flat end of a spudger to flip up the metal bracket securing the camera cable to the motherboard.

  40. Use the flat end of a spudger to disconnect the camera cable from its socket on the motherboard. Use the flat end of a spudger to disconnect the camera cable from its socket on the motherboard.
    • Use the flat end of a spudger to disconnect the camera cable from its socket on the motherboard.

  41. Use a pair of blunt nose tweezers to disconnect the speaker cable from its socket on the motherboard. Use a pair of blunt nose tweezers to disconnect the speaker cable from its socket on the motherboard.
    • Use a pair of blunt nose tweezers to disconnect the speaker cable from its socket on the motherboard.

  42. Use the flat end of a spudger to flip up the black tabs on the trackpad and fingerprint reader cables. Use the flat end of a spudger to flip up the black tabs on the trackpad and fingerprint reader cables.
    • Use the flat end of a spudger to flip up the black tabs on the trackpad and fingerprint reader cables.

  43. Use a pair of blunt nose tweezers to slide the trackpad and fingerprint reader cables out of their connectors on the motherboard. Use a pair of blunt nose tweezers to slide the trackpad and fingerprint reader cables out of their connectors on the motherboard.
    • Use a pair of blunt nose tweezers to slide the trackpad and fingerprint reader cables out of their connectors on the motherboard.

  44. Use a Phillips #1 screwdriver to remove the three 4 mm screws from the I/O bracket. Use a Phillips #1 screwdriver to remove the three 4 mm screws from the I/O bracket.
    • Use a Phillips #1 screwdriver to remove the three 4 mm screws from the I/O bracket.

  45. Use your fingers to slide the I/O bracket to the left. Lift the I/O bracket up and away from the laptop. Lift the I/O bracket up and away from the laptop.
    • Use your fingers to slide the I/O bracket to the left.

    • Lift the I/O bracket up and away from the laptop.

  46. Use a Phillips #1 screwdriver to remove the six 4 mm screws from the motherboard. This laptop does not have an NFC cable, but if yours does, use the flat end of a spudger to flip up the tab and slide the cable out of its connector.
    • Use a Phillips #1 screwdriver to remove the six 4 mm screws from the motherboard.

    • This laptop does not have an NFC cable, but if yours does, use the flat end of a spudger to flip up the tab and slide the cable out of its connector.

  47. Use both hands to lift the motherboard up and away from the laptop. Use both hands to lift the motherboard up and away from the laptop. Use both hands to lift the motherboard up and away from the laptop.
    • Use both hands to lift the motherboard up and away from the laptop.

  48. Use your fingers to remove the camera cable from its slot. Use your fingers to remove the camera cable from its slot.
    • Use your fingers to remove the camera cable from its slot.

  49. Use your fingers to lift the black and blue wires out of their slots along the top of the laptop. Use your fingers to lift the black and blue wires out of their slots along the top of the laptop. Use your fingers to lift the black and blue wires out of their slots along the top of the laptop.
    • Use your fingers to lift the black and blue wires out of their slots along the top of the laptop.

  50. Use your fingers to lift the red and gray wires out of their slots. Use your fingers to lift the red and gray wires out of their slots.
    • Use your fingers to lift the red and gray wires out of their slots.

  51. Use your fingers to lift the LCD cable out of its slot. Use your fingers to lift the LCD cable out of its slot.
    • Use your fingers to lift the LCD cable out of its slot.

  52. Use a Phillips #1 screwdriver to remove three 4.5 mm screws from the hinge in the upper right corner. Use a Phillips #1 screwdriver to remove three 4.5 mm screws from the hinge in the upper right corner.
    • Use a Phillips #1 screwdriver to remove three 4.5 mm screws from the hinge in the upper right corner.

  53. Use a Phillips #1 screwdriver to remove two 4.5 mm screws from the hinge in the upper left corner. Use a Phillips #1 screwdriver to remove two 4.5 mm screws from the hinge in the upper left corner.
    • Use a Phillips #1 screwdriver to remove two 4.5 mm screws from the hinge in the upper left corner.

  54. Use both hands to lift the laptop body up and away from the display assembly. Use both hands to lift the laptop body up and away from the display assembly. Use both hands to lift the laptop body up and away from the display assembly.
    • Use both hands to lift the laptop body up and away from the display assembly.

  55. Use the iFixit opening tool to create a gap between the bezel and the display, starting in the upper left corner. Continue to use the iFixit opening tool around the left side, bottom, and right side of the laptop to detach the clips securing the bezel to the display. You may hear loud snaps when detaching the clips; this is normal.
    • Use the iFixit opening tool to create a gap between the bezel and the display, starting in the upper left corner.

    • Continue to use the iFixit opening tool around the left side, bottom, and right side of the laptop to detach the clips securing the bezel to the display.

    • You may hear loud snaps when detaching the clips; this is normal.

  56. Insert the iFixit opening tool between the bezel and display on the top side.
    • Insert the iFixit opening tool between the bezel and display on the top side.

    • This part of the bezel is attached to the display with adhesive, so you may need to use your hands to gently peel the bezel away.

  57. Use both hands to lift the bezel up and away from the display assembly. Use both hands to lift the bezel up and away from the display assembly. Use both hands to lift the bezel up and away from the display assembly.
    • Use both hands to lift the bezel up and away from the display assembly.

  58. Use a Phillips #1 screwdriver to remove the four 3 mm screws from each corner of the screen. Use a Phillips #1 screwdriver to remove the four 3 mm screws from each corner of the screen.
    • Use a Phillips #1 screwdriver to remove the four 3 mm screws from each corner of the screen.

  59. Use both hands to lift the bottom corners of the display panel Gently flip the display panel over. Potential for device damage: The display cable is still connecting the display panel to the rest of the display assembly, so be sure to flip the display panel over with caution.
    • Use both hands to lift the bottom corners of the display panel

    • Gently flip the display panel over.

    • Potential for device damage: The display cable is still connecting the display panel to the rest of the display assembly, so be sure to flip the display panel over with caution.

  60. Use a pair of blunt nose tweezers to remove the clear tape from the display cable. Use a pair of blunt nose tweezers to remove the clear tape from the display cable.
    • Use a pair of blunt nose tweezers to remove the clear tape from the display cable.

  61. Use the flat end of a spudger to flip up the metal bar securing the connector. Use the flat end of a spudger to disconnect the display cable from its socket.
    • Use the flat end of a spudger to flip up the metal bar securing the connector.

    • Use the flat end of a spudger to disconnect the display cable from its socket.

  62. Use your hands to remove the display panel from the rest of the display assembly. Use your hands to remove the display panel from the rest of the display assembly. Use your hands to remove the display panel from the rest of the display assembly.
    • Use your hands to remove the display panel from the rest of the display assembly.

  63. Use a Phillips #1 screwdriver to remove the two 3 mm screws from the hinge in the upper left corner. Use a Phillips #1 screwdriver to remove the two 3 mm screws from the hinge in the upper left corner.
    • Use a Phillips #1 screwdriver to remove the two 3 mm screws from the hinge in the upper left corner.

  64. Use your fingers to lift the hinge up and away from the laptop. Use your fingers to lift the hinge up and away from the laptop. Use your fingers to lift the hinge up and away from the laptop.
    • Use your fingers to lift the hinge up and away from the laptop.

  65. Use a pair of blunt nose tweezers to peel the copper tape off of the hinge frame. Use a pair of blunt nose tweezers to peel the copper tape off of the hinge frame. Use a pair of blunt nose tweezers to peel the copper tape off of the hinge frame.
    • Use a pair of blunt nose tweezers to peel the copper tape off of the hinge frame.

  66. Use your hand to lift the hinge frame up and away from the laptop. Use your hand to lift the hinge frame up and away from the laptop. Use your hand to lift the hinge frame up and away from the laptop.
    • Use your hand to lift the hinge frame up and away from the laptop.

  67. Use a Phillips #1 screwdriver to remove the two 3 mm screws from the hinge in the upper right corner. Use a Phillips #1 screwdriver to remove the two 3 mm screws from the hinge in the upper right corner.
    • Use a Phillips #1 screwdriver to remove the two 3 mm screws from the hinge in the upper right corner.

  68. Use your fingers to lift the hinge up and away from the laptop. Use your fingers to lift the hinge up and away from the laptop. Use your fingers to lift the hinge up and away from the laptop.
    • Use your fingers to lift the hinge up and away from the laptop.

  69. Use a pair of blunt nose tweezers to peel the copper tape off of the hinge frame. Use a pair of blunt nose tweezers to peel the copper tape off of the hinge frame. Use a pair of blunt nose tweezers to peel the copper tape off of the hinge frame.
    • Use a pair of blunt nose tweezers to peel the copper tape off of the hinge frame.

  70. Use your hand to lift the hinge frame up and away from the laptop. Use your hand to lift the hinge frame up and away from the laptop. Use your hand to lift the hinge frame up and away from the laptop.
    • Use your hand to lift the hinge frame up and away from the laptop.

  71. Use a pair of blunt nose tweezers to peel the copper tape up from the display assembly in the bottom left-hand corner. Use a pair of blunt nose tweezers to peel the copper tape up from the display assembly in the bottom left-hand corner.
    • Use a pair of blunt nose tweezers to peel the copper tape up from the display assembly in the bottom left-hand corner.

  72. Use a spudger to pry the WWAN antenna away from the rest of the display assembly. Use one hand to hold the WWAN antenna. Use your other hand to remove the red wire from its slots along the left side of the display assembly.
    • Use a spudger to pry the WWAN antenna away from the rest of the display assembly.

    • Use one hand to hold the WWAN antenna.

    • Use your other hand to remove the red wire from its slots along the left side of the display assembly.

  73. Use a pair of blunt nose tweezers to peel the copper tape up from the display assembly in the bottom right-hand corner. Use a pair of blunt nose tweezers to peel the copper tape up from the display assembly in the bottom right-hand corner. Use a pair of blunt nose tweezers to peel the copper tape up from the display assembly in the bottom right-hand corner.
    • Use a pair of blunt nose tweezers to peel the copper tape up from the display assembly in the bottom right-hand corner.

  74. Use a spudger to pry the WWAN antenna away from the rest of the display assembly. Use one hand to hold the WWAN antenna. Use your other hand to remove the blue wire from its slots along the right side of the display assembly.
    • Use a spudger to pry the WWAN antenna away from the rest of the display assembly.

    • Use one hand to hold the WWAN antenna.

    • Use your other hand to remove the blue wire from its slots along the right side of the display assembly.

  75. Use a spudger to pry the WLAN antenna away from the display assembly in the bottom left-hand corner. Use one hand to hold the WLAN antenna board. Use your other hand to remove the gray wire from its slots along the left side of the laptop.
    • Use a spudger to pry the WLAN antenna away from the display assembly in the bottom left-hand corner.

    • Use one hand to hold the WLAN antenna board.

    • Use your other hand to remove the gray wire from its slots along the left side of the laptop.

  76. Use a spudger to pry the WLAN antenna away from the display assembly in the bottom right-hand corner. Use one hand to hold the WLAN antenna board. Use your other hand to remove the black wire from its slots along the right side of the laptop.
    • Use a spudger to pry the WLAN antenna away from the display assembly in the bottom right-hand corner.

    • Use one hand to hold the WLAN antenna board.

    • Use your other hand to remove the black wire from its slots along the right side of the laptop.

終わりに

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.

Kristen Gismondi

メンバー登録日: 2014年11月12日

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