Einleitung
Use this guide to replace the internal speakers in your Lenovo Yoga C640-13IML. If your laptop has distorted audio, no sound (despite working drivers), or one speaker isn’t functioning, replacing the internal speakers can restore clear sound output.
- Caution: Always power off the device, unplug it from any power source, and disconnect the battery before handling internal components to avoid short circuits or damage.
- Note: Speaker failure can be caused by physical damage, water exposure, or worn-out components. If you've already ruled out software and driver issues, hardware replacement is likely necessary.
- Reminder: Be mindful of delicate speaker wires and connectors when removing or installing the new speakers. Keep track of all screws and cable positions to ensure a smooth reassembly.
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Use a Torx T5 screwdriver to remove the six 4.60 mm screws on the sides of the laptop securing the bottom panel.
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Insert a plastic spudger or opening pick into the seam on the side of the laptop between the bottom panel and the chassis.
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Gently slide the tool along this seam to release the internal clips.
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Once the internal clips are released, lift the bottom panel off.
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Use a Philips #0 screwdriver to remove the five 4.60 mm Phillips #0 screws securing the battery to the chassis of the laptop.
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The battery of the laptop is connected by a short connector cable located at the top of the battery.
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Use the flat end of a spudger to lift and unclip the outer edges of the battery. You may need to use your fingers to pull the connector completely out of its socket after loosening it.
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Lift the battery out of the laptop.
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Use a Phillips #0 screwdriver to remove the 2.2 mm screws securing the silver shield.
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Carefully lift the shield off and set it aside.
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Along the wire path, locate all metal tape and cables holding down or going over the speaker cable.
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Carefully peel off the tape using tweezers or a spudger.
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For any cable that fully go over the speaker cable carefully unplug and move the off to the side, be sure to remember where they plug back into.
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Once the tape is removed, gently move the blue and white speaker cables to the side to clear access to the speaker and port areas.
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To remove the speakers simply lift them up for where they rest and pull them out.
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If the blue and white cables snag on any of the tape be sure to go back and make sure there is nothing blocking or preventing the removal.
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To reassemble your device, follow these instructions in reverse order. Take your e-waste to an R2 or e-Stewards certified recycler.
