Introduction

Sound is an integral part of a laptop user's experience, especially for videos, music, and gaming. The Lenovo Y50-70 Touch is equipped with two side speakers and a bass speaker on the underside of the laptop. When there are sound problems, but all the sound drivers are running properly, replace the speakers to regain your full user experience.

Parts

No parts required.

Image 1/2: Apply a lot of pressure to prevent the screws from stripping. Image 2/2: Make sure to turn off the computer first!
  • Remove all twelve 6 mm screws from the back of the laptop using a Phillips #1 screwdriver.

    • Apply a lot of pressure to prevent the screws from stripping.

    • Make sure to turn off the computer first!

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Image 1/2: Image 2/2:
  • Gently pull the back cover off the laptop. It should come off easily.

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Image 1/2: Image 2/2:
  • Remove the three 3.5 mm screws from the fan with a Philips #1 screwdriver.

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Image 1/3: Do not pull too hard on the wire tabs.  It may damage the connection between the wires and motherboard. Image 2/3: Do not pull too hard on the wire tabs.  It may damage the connection between the wires and motherboard. Image 3/3: Do not pull too hard on the wire tabs.  It may damage the connection between the wires and motherboard.
  • Pull the wire tabs up one at a time to separate them from the motherboard.

    • Do not pull too hard on the wire tabs. It may damage the connection between the wires and motherboard.

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Image 1/3: Do not pull too hard on the antenna cables, as it might damage the connection to the wireless card. Image 2/3: Do not pull too hard on the antenna cables, as it might damage the connection to the wireless card. Image 3/3: Do not pull too hard on the antenna cables, as it might damage the connection to the wireless card.
  • Remove the black and white antenna cables from the wireless card.

    • Do not pull too hard on the antenna cables, as it might damage the connection to the wireless card.

Is the black and white wire the one connected to the screen?

Emi Hua - Reply

Image 1/3: Gather the antenna cables(black and white) and speaker wires (red, black, blue, and white). Carefully move them away from the fan. Image 2/3: Gather the antenna cables(black and white) and speaker wires (red, black, blue, and white). Carefully move them away from the fan. Image 3/3: Gather the antenna cables(black and white) and speaker wires (red, black, blue, and white). Carefully move them away from the fan.
  • Lift up the fan slightly.

  • Gather the antenna cables(black and white) and speaker wires (red, black, blue, and white). Carefully move them away from the fan.

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Image 1/2: Image 2/2:
  • Lift the fan off of the laptop.

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Image 1/1: The bass speaker is located near the fan's original position.
  • Locate the three speakers within the laptop.

  • The bass speaker is located near the fan's original position.

  • The side speakers are located at the upper left and right corners of the laptop.

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Image 1/3: Image 2/3: Image 3/3:
  • Using a Philips #1 screwdriver, remove the two 2.5 mm screws securing the bass speaker.

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Image 1/2: Image 2/2:
  • Unplug the bass speaker from the motherboard.

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Image 1/3: Image 2/3: Image 3/3:
  • Remove the bass speaker from the laptop.

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Image 1/3: Image 2/3: Image 3/3:
  • Using a Philips #1 screwdriver, Remove the 2.5 mm screw holding each side speaker to the laptop.

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Image 1/2: Image 2/2:
  • Unplug the side speakers from the motherboard.

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Image 1/3: The red and black wires connect to the right speaker, and the blue and white wires connect to to the left speaker. Image 2/3: The side speakers are independent from the bass speaker. It is possible to remove them without having to remove the bass speaker. Image 3/3: The side speakers are independent from the bass speaker. It is possible to remove them without having to remove the bass speaker.
  • Remove the side speakers from the laptop.

    • The red and black wires connect to the right speaker, and the blue and white wires connect to to the left speaker.

    • The side speakers are independent from the bass speaker. It is possible to remove them without having to remove the bass speaker.

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Conclusion

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

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Andrew Tran

Member since: 01/21/2015

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Cal Poly, Team 18-1, Maness Winter 2015 Member of Cal Poly, Team 18-1, Maness Winter 2015

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