Difficulty

Moderate

Steps

66

Time Required

                          1 - 2 hours

Sections

6

  • External Battery
  • 2 steps
  • Keyboard
  • 13 steps
  • Bottom Cover
  • 6 steps
  • Internal Battery
  • 3 steps
  • Motherboard
  • 38 steps
  • Power Button Board
  • 4 steps

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Introduction

The power button board contains the button that turns on the computer when pressed. Diagnosing a faulty power button may be tricky since some of the symptoms are similar to a faulty battery or AC adapter. If you are pressing the power button but your laptop is not turning on, take a look at this Lenovo ThinkPad troubleshooting manual before attempting a power button board replacement.

If you need to perform a replacement, make sure to disable the internal battery, power down your device, and disconnect from any external power sources before you begin.

What you need

Step 1

              External Battery
  • 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.

1024

Step 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.

Step 3

              Keyboard
  • Use the pointed end of a spudger to pry the two rubber stoppers out of the battery compartment.

Use the pointed end of a spudger to pry the two rubber stoppers out of the battery compartment.

Step 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.

Step 5

  • Use the pointed end of a spudger to push the keyboard towards the screen using the two notches on the bottom of the keyboard.

Use the pointed end of a spudger to push the keyboard towards the screen using the two notches on the bottom of the keyboard.

Step 6

  • Loosen the six captive screws in the keyboard frame using a Phillips #0 screwdriver.
  • These screws are hard to see. Make sure you have pushed the keyboard towards the screen as far as it will go to see the screws better.

Loosen the six captive screws in the keyboard frame using a Phillips #0 screwdriver.

These screws are hard to see. Make sure you have pushed the keyboard towards the screen as far as it will go to see the screws better.

Step 7

  • Use your hands to pull the keyboard up and towards you by a few millimeters to remove it from its tray.
  • Potential for device damage: The keyboard is still attached to the rest of the laptop, so be gentle when lifting it.

Use your hands to pull the keyboard up and towards you by a few millimeters to remove it from its tray.

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

Step 8

  • 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.

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.

Step 9

  • Use a pair of blunt-nosed tweezers to lift the black flap away from the cable connectors.

Use a pair of blunt-nosed tweezers to lift the black flap away from the cable connectors.

Step 10

  • Use the flat end of a spudger to flip up the locking flap securing the ribbon cable.

Use the flat end of a spudger to flip up the locking flap securing the ribbon cable.

Step 11

  • Use a pair of blunt-nosed tweezers to pull the ribbon cable out of its connector.

Use a pair of blunt-nosed tweezers to pull the ribbon cable out of its connector.

Step 12

  • Use the flat end of a spudger to flip up the locking flap securing the bottom ribbon cable.

Use the flat end of a spudger to flip up the locking flap securing the bottom ribbon cable.

Step 13

Step 14

  • Pull the ribbon cables through the slot in the black flap.
  • Remove the black flap from the keyboard.

Pull the ribbon cables through the slot in the black flap.

Remove the black flap from the keyboard.

Step 15

  • 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.

Step 16

              Bottom Cover
  • Loosen the eight captive screws in the bottom cover using a Phillips #1 screwdriver.

Loosen the eight captive screws in the bottom cover using a Phillips #1 screwdriver.

Step 17

  • Insert the flat end of a spudger in between the bottom cover and the rest of the laptop, starting in the lower left corner.
  • Pry the lower left corner of the bottom cover up by a few millimeters.
  • Slide the spudger along the bottom of the laptop to release the clips until you reach the lower right corner.
  • You may hear some snapping noises as the clips are released.

Insert the flat end of a spudger in between the bottom cover and the rest of the laptop, starting in the lower left corner.

Pry the lower left corner of the bottom cover up by a few millimeters.

Slide the spudger along the bottom of the laptop to release the clips until you reach the lower right corner.

You may hear some snapping noises as the clips are released.

Step 18

  • Slide the spudger along the right and top sides of the bottom cover to release the clips.
  • You may hear some snapping noises as the clips are released.
  • Potential for device damage: If the clips do not release easily, check to ensure that the captive screws are fully loosened. Forcing the clips to detach can crack the bottom cover.

Slide the spudger along the right and top sides of the bottom cover to release the clips.

Potential for device damage: If the clips do not release easily, check to ensure that the captive screws are fully loosened. Forcing the clips to detach can crack the bottom cover.

Step 19

  • Use the spudger to pry the upper left corner up by a few millimeters.
  • Pry up the sections of the bottom cover with printed logos of the ports.
  • Potential for device damage: Prying inside the ports themselves can damage your laptop. Be sure to only pry up on the sections of the cover that extend past the ports.

Use the spudger to pry the upper left corner up by a few millimeters.

Pry up the sections of the bottom cover with printed logos of the ports.

Potential for device damage: Prying inside the ports themselves can damage your laptop. Be sure to only pry up on the sections of the cover that extend past the ports.

Step 20

  • Use the spudger to pry up the bottom cover in the lower portion of the external battery compartment by a few millimeters.

Use the spudger to pry up the bottom cover in the lower portion of the external battery compartment by a few millimeters.

Step 21

  • Use both hands to lift the bottom cover up and away from the laptop.

Use both hands to lift the bottom cover up and away from the laptop.

Step 22

              Internal Battery
  • Use a pair of blunt nose tweezers to pull the black connector out of its socket.
  • This connector may be difficult to remove. You can use a pair of tweezers to gently rock the connector back and forth until it is free from the socket.

Use a pair of blunt nose tweezers to pull the black connector out of its socket.

This connector may be difficult to remove. You can use a pair of tweezers to gently rock the connector back and forth until it is free from the socket.

Step 23

  • Remove the three 3.7 mm screws from the internal battery using a Phillips #1 screwdriver.

Remove the three 3.7 mm screws from the internal battery using a Phillips #1 screwdriver.

Step 24

  • 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.

Step 25

              Motherboard
  • Remove the single 3.7 mm screw from the left side of the hard drive using a Phillips #1 screwdriver.

Remove the single 3.7 mm screw from the left side of the hard drive using a Phillips #1 screwdriver.

Step 26

  • Use your hand to lift up the hard drive by a few millimeters.
  • Pull the hard drive to the left to detach it from its connector and remove it from the laptop.

Use your hand to lift up the hard drive by a few millimeters.

Pull the hard drive to the left to detach it from its connector and remove it from the laptop.

Step 27

  • Use your fingers to lift up the black flap covering the RAM.

Use your fingers to lift up the black flap covering the RAM.

Step 28

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

Use your fingers to push the metal clips on either end of the first RAM stick outwards.

The RAM stick will pop up by a few millimeters.

Step 29

  • 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.

Step 30

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

Use your fingers to push the metal clips on either end of the second RAM stick outwards.

Step 31

Step 32

  • Use your fingers to lift up the black flap covering the Wi-Fi card.

Use your fingers to lift up the black flap covering the Wi-Fi card.

Step 33

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

Use the flat end of a spudger to disconnect the gray and black coaxial wires from the Wi-Fi card.

When reassembling, reattach the gray wire on the top and the black wire on the bottom.

Step 34

  • Remove the single 3.7 mm screw from the right side of the Wi-Fi card using a Phillips #1 screwdriver.

Remove the single 3.7 mm screw from the right side of the Wi-Fi card using a Phillips #1 screwdriver.

Step 35

  • 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 32-35 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 32-35 to remove it.

Step 36

  • Use a pair of blunt nose tweezers to pull the white CMOS battery connector out of its socket.
  • This connector may be difficult to remove. You can use a pair of tweezers to gently rock the connector back and forth until it is free from the socket.

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

Step 37

  • Use your fingers to pull the red and black bundled wire from its slot.

Use your fingers to pull the red and black bundled wire from its slot.

Step 38

  • Pry the CMOS battery up using the flat end of a spudger.
  • You may need to loosen the adhesive underneath the battery with the spudger before the battery can be removed.

Pry the CMOS battery up using the flat end of a spudger.

You may need to loosen the adhesive underneath the battery with the spudger before the battery can be removed.

Step 39

  • Use a pair of blunt nose tweezers to pull the white fan connector out of its socket on the motherboard.
  • This connector may be difficult to remove. You can use a pair of tweezers to gently rock the connector back and forth until it is free from the socket.

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

Step 40

  • Use a Phillips #1 screwdriver to loosen the first pair of captive screws on the fan assembly in a crosswise pattern.
  • Use a Phillips #1 screwdriver to loosen the second pair of captive screws on the fan assembly in a crosswise pattern.
  • Secure the screws using the same cross-pattern when reassembling the fan.

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

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

Secure the screws using the same cross-pattern when reassembling the fan.

Step 41

  • Use your hands to lift the fan assembly up and away from the laptop.

Use your hands to lift the fan assembly up and away from the laptop.

Step 42

  • Use the flat end of a spudger to detach the USB cable from the motherboard.

Use the flat end of a spudger to detach the USB cable from the motherboard.

Step 43

  • Use your fingers to move the detached part of the USB cable away from the motherboard.

Use your fingers to move the detached part of the USB cable away from the motherboard.

Step 44

  • Remove the two 3.7 mm screws from the LCD cable bracket using a Phillips #1 screwdriver.

Remove the two 3.7 mm screws from the LCD cable bracket using a Phillips #1 screwdriver.

Step 45

  • Use a pair of tweezers to lift the LCD cable bracket away from the motherboard.

Use a pair of tweezers to lift the LCD cable bracket away from the motherboard.

Step 46

  • Use the flat end of a spudger to disconnect the flat-topped LCD cable connector.

Use the flat end of a spudger to disconnect the flat-topped LCD cable connector.

Step 47

  • Use the pointed end of a spudger to lift up the metal bracket on the camera/microphone cable.

Use the pointed end of a spudger to lift up the metal bracket on the camera/microphone cable.

Step 48

  • Use the flat end of a spudger to detach the camera/microphone cable connector from its socket.

Use the flat end of a spudger to detach the camera/microphone cable connector from its socket.

Step 49

  • Use your fingers to remove the gray and red coaxial cables from their slots along the motherboard.

Use your fingers to remove the gray and red coaxial cables from their slots along the motherboard.

Step 50

  • Use your fingers to remove the blue and black coaxial cables from their slots along the top of the motherboard.

Use your fingers to remove the blue and black coaxial cables from their slots along the top of the motherboard.

Step 51

  • Use the flat end of a spudger to flip up the locking flap securing the power button cable.

Use the flat end of a spudger to flip up the locking flap securing the power button cable.

Step 52

  • Use a pair of blunt nose tweezers to slide the power button cable out of its connector on the motherboard.

Use a pair of blunt nose tweezers to slide the power button cable out of its connector on the motherboard.

Step 53

  • Use a pair of blunt nose tweezers to pull the white speaker cable out of its socket on the motherboard.
  • This connector may be difficult to remove. You can use a pair of tweezers to gently rock the connector back and forth until it is free from the socket.

Use a pair of blunt nose tweezers to pull the white speaker cable out of its socket on the motherboard.

Step 54

  • This laptop does not have a fingerprint reader.
  • If your laptop has a fingerprint reader, use the flat end of a spudger to lift up the black tab and slide the cable out of its socket on the motherboard.

This laptop does not have a fingerprint reader.

If your laptop has a fingerprint reader, use the flat end of a spudger to lift up the black tab and slide the cable out of its socket on the motherboard.

Step 55

  • Use the flat end of a spudger to flip up the locking flap securing the trackpad ribbon cable.

Use the flat end of a spudger to flip up the locking flap securing the trackpad ribbon cable.

Step 56

Step 57

  • Use the flat end of a spudger to disconnect the smart card cable from the motherboard.

Use the flat end of a spudger to disconnect the smart card cable from the motherboard.

Step 58

  • Use a pair of blunt nose tweezers to pull the white DC-in cable out of its socket on the motherboard.

Use a pair of blunt nose tweezers to pull the white DC-in cable out of its socket on the motherboard.

Step 59

  • Remove the six 3.7 mm screws from the motherboard using a Phillips #1 screwdriver.

Remove the six 3.7 mm screws from the motherboard using a Phillips #1 screwdriver.

Step 60

  • Remove the single 5.6 mm screw from the Ethernet/USB port bracket using a Phillips #1 screwdriver.

Remove the single 5.6 mm screw from the Ethernet/USB port bracket using a Phillips #1 screwdriver.

Step 61

  • Use your fingers to slide the bracket to the left and away from the motherboard.

Use your fingers to slide the bracket to the left and away from the motherboard.

Step 62

  • Use both hands to pull the motherboard straight up and away from the laptop.

Use both hands to pull the motherboard straight up and away from the laptop.

Step 63

              Power Button Board
  • Remove two 4.7 mm screws from the hinge in the upper left corner using a Phillips #1 screwdriver.

Remove two 4.7 mm screws from the hinge in the upper left corner using a Phillips #1 screwdriver.

Step 64

  • Lift the bottom of the laptop up by a few inches to rotate the hinge in the upper left corner.
  • Place the bottom of the laptop back down.

Lift the bottom of the laptop up by a few inches to rotate the hinge in the upper left corner.

Place the bottom of the laptop back down.

Step 65

  • Use your fingers to peel the power button board ribbon cable away from the laptop.

Use your fingers to peel the power button board ribbon cable away from the laptop.

Step 66

  • Use your fingers to lift the power button board up and away from the laptop.

Use your fingers to lift the power button board up and away from the laptop.

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.

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