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Lenovo IdeaPad S340-15IWL USB Port Board Replacement

What you need

  1. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Back Panel: step 1, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Back Panel: step 1, image 2 of 2

    • Power off the laptop and place it face-down on a non-scratching surface.

    • Using a Torx T5 screwdriver head, remove all ten 6 mm screws holding the back panel in place.

    Edit

  2. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 2, image 1 of 1

    • Slide a plastic opening tool underneath the back case near the screen hinges.

    • Gently pry up on either side of the case.

    • You may hear popping sounds as you pry up the back case. This is normal. If the case does not open, try prying at a different angle/position.

    Edit

  3. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Battery: step 3, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Battery: step 3, image 2 of 2

    • Disconnect the battery cable by gently pulling it straight out of the connector.

    • Be sure to pull parallel to the device to avoid bending the motherboard connector.

    • The battery connector does not lock and only requires light pressure to insert and remove.

    • Remove the battery from the laptop.

    Edit

  4. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Fan: step 4, image 1 of 1

    • Remove the two 3 mm screws connecting the fan to the casing using a Phillips #0 screwdriver.

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  5. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 5, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 5, image 2 of 2

    • Using a spudger, gently disconnect the fan's cable from the motherboard.

    Edit

  6. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 6, image 1 of 1

    • Carefully unwind the black cable that runs between the top of the battery and the bottom of the fan from the grooves along the side of the fan.

    • In order to do so, you will need to pull up the metallic tape that holds the cable in place using either your fingers or a plastic prying tool to lift up the edge.

    • If you attempt to remove the device’s fan without removing the battery, the black cable may be wedged underneath the top of the battery. In this scenario, it is recommended that you at least loosen the screws holding the battery in place to allow for the cable to be removed with less resistance.

    Edit

  7. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 7, image 1 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 7, image 2 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 7, image 3 of 3

    • Carefully pick up the fan by the corners and detach the small connector wire by pulling parallel to the device.

    • Remove the fan from the laptop.

    Edit

  8. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Speakers: step 8, image 1 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Speakers: step 8, image 2 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Speakers: step 8, image 3 of 3

    • Unplug the wire connecting the speakers to the motherboard.

    • Remove the speakers from each side of the laptop.

    Edit

  9. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Hard Drive: step 9, image 1 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Hard Drive: step 9, image 2 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Hard Drive: step 9, image 3 of 3

    • Remove the four 3 mm screws holding the hard drive expansion slot in place using a Phillips #0 screwdriver.

    Edit

  11. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, RAM: step 10, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, RAM: step 10, image 2 of 2

    • Using the opening tool, gently pop off the metal cover for the RAM stick.

    Edit

  12. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 11, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 11, image 2 of 2

    • Using your thumbs, gently pull the two metal prongs that secure the RAM outwards.

    • The RAM will pop up at an angle.

    • Remove the RAM from the laptop.

    Edit

  13. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Heat Sink: step 12, image 1 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Heat Sink: step 12, image 2 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Heat Sink: step 12, image 3 of 3

    • Remove the three 3 mm screws that secure the black heat sink near the top of the computer using a Phillips #0 screwdriver.

    • Lift the heat sink vertically to remove it from the laptop.

    Edit

  14. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Video Cable: step 13, image 1 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Video Cable: step 13, image 2 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Video Cable: step 13, image 3 of 3

    • Using an opening tool, carefully flip up the retaining flaps holding the silver video cable in place.

    • Slide the ribbon cable out of each connector.

    Edit

  15. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Wi-Fi Card: step 14, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Wi-Fi Card: step 14, image 2 of 2

    • Pull up the black foam adhesive that covers the screw and connectors holding the Wi-Fi card in place.

    Edit

  16. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 15, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 15, image 2 of 2

    • Using an opening tool, lift up on the black and white coaxial cables on the Wi-Fi card and gently pull upward to unplug them.

    • When reconnecting the cables, be sure to match the colors to the arrows on the Wi-Fi card.

    Edit

  17. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 16, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 16, image 2 of 2

    • Remove the single 3 mm screw holding the Wi-Fi card in place using a Phillips #0 screwdriver.

    • Gently lift the Wi-Fi card out of the computer.

    Edit

  18. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Motherboard: step 17, image 1 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Motherboard: step 17, image 2 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, Motherboard: step 17, image 3 of 3

    • Using an opening tool, flip up the retaining flap that holds the connector to the thin black ribbon cable at the bottom of the motherboard.

    • Gently remove the ribbon cable from its connector.

    • The cable is folded over and connected to itself with an adhesive. Be careful to only pull at the top fold of the cable.

    Edit

  19. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 18, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 18, image 2 of 2

    • Remove the three total silver 6 mm screws from the hinges of the screen in the top corners of the device using a Phillips #0 screwdriver.

    Edit

  20. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 19, image 1 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 19, image 2 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 19, image 3 of 3

    • Use an opening tool to flip up the hinges.

    • You may have to apply some force.

    Edit

  21. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 20, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 20, image 2 of 2

    • Remove the three 3 mm screws holding the motherboard in place using a Phillips #0 screwdriver.

    Edit

  22. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 21, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 21, image 2 of 2

    • Carefully unplug the black and red wires connected to the upper right corner of the motherboard.

    • These wires connect to the device’s charging port.

    Edit

  23. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 22, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 22, image 2 of 2

    • Carefully lift the motherboard from the base of the computer and remove it from the laptop.

    Edit

  24. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, CMOS Battery: step 23, image 1 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, CMOS Battery: step 23, image 2 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, CMOS Battery: step 23, image 3 of 3

    • Remove the circular CMOS battery on the far left side of the computer by lifting it with your finger or an opening tool.

    • This is only attached with adhesive, so it does not require extensive force.

    Edit

  25. Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 24, image 1 of 2 Lenovo IdeaPad S340-15IWL USB Port Board Replacement: step 24, image 2 of 2

    • Unplug the bundled red and black wires connecting the CMOS battery to the side of the device.

    • Remove the CMOS battery from the laptop.

    Edit

  26. Lenovo IdeaPad S340-15IWL USB Port Board Replacement, USB Port Board: step 25, image 1 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, USB Port Board: step 25, image 2 of 3 Lenovo IdeaPad S340-15IWL USB Port Board Replacement, USB Port Board: step 25, image 3 of 3

    • Remove the silver 6 mm screw holding the USB and SD card slots in place in the upper left corner of the device using a Phillips #0 screwdriver.

    • Remove the black 3 mm screw holding the USB and SD card slots in place in the upper left corner of the device using a Phillips #0 screwdriver.

    • Use an opening tool to pry the port out of the device.

    Edit
Conclusion

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

Author

Kristen Gismondi

Member since: 11/12/14

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