Introduction
If your ASUS VivoBook S400C is producing unclear or no audio, use this guide to replace the speakers.
The built-in speakers can produce audio without the need to plug in any additional devices.
Before using this guide, make sure nothing is plugged into the headphone jack and that the volume of both the computer and the media being played is at a high value. You can troubleshoot audio problems by right clicking the sound icon in the taskbar and selecting “Troubleshoot sound problems”. Try playing different types of media from different sources.
The speakers in this system are wired together so they are not individually replaceable but must be replaced as a pair.
Before beginning, make sure to power off your laptop completely and disconnect from any external power source.
What you need
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Flip the device over and remove the ten 5.7 mm screws with a Phillips #0 screwdriver.
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Using a spudger, lift up the plug connecting the battery to the motherboard.
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With a Phillips #0 screwdriver, remove the four 5.7 mm screws holding the battery to the laptop.
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Remove the three Phillips #0 screws holding the the hard drive in place:
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Two 3.8 mm screws.
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One 5.7 mm screw.
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Disconnect the ribbon cable connecting the LED daughterboard and the motherboard by lifting the white tab on the LED side of the cable.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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