Introduction
This guide is used to replace the audio board with in the computer if you are having issues with the audio o the HP Envy X2-15-C001Dx.
Tools
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            Begin by placing the laptop face down on a flat, soft surface like a table or cloth to prevent scratches. Ensure the device is stable and secure before proceeding with any disassembly steps. 
 
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            Proceed by carefully lifting up the backstand. Gently detach it from the device, ensuring not to damage any connectors or components. Keep the backstand in a safe place for reassembly later. 
 
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            Remove the five screws from the bottom of the HP backplate with a Phillips #1 screwdriver. Turn each screw counterclockwise and store them safely for reassembly. Once all screws are removed, carefully lift the backplate off the device. 
 
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            Using a Phillips #1 screwdriver, remove the four screws securing the back stand hinges. Turn each screw counterclockwise and set them aside in a safe location for later reassembly. Once all screws are removed, carefully detach the hinges from the back stand. 
 
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            Carefully remove the hinges and back stand from the laptop by unscrewing the hinge screws using a Phillips screwdriver. Once all screws are removed, gently lift the hinges and back stand away from the laptop. Ensure you keep the screws organized for reassembly. 
 
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            Gently use a spudger to pry off the thin panel where the back stand was attached. Work carefully along the edges to avoid bending or damaging the panel. 
 
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            Carefully remove all screws securing the back panel using a Phillips #1 screwdriver. Turn each screw counterclockwise and store them safely for reassembly. 
 
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            Using a Phillips #1 screwdriver, carefully remove the two side screws. Turn each screw counterclockwise and set them aside in a safe place for later. 
 
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            Gently pry apart the base from the screen by sliding an opening tool around the entire perimeter. Take care to avoid applying too much force or causing damage. 
 
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            Carefully remove the back panel from the laptop by loosening all necessary screws and gently prying it open using a plastic tool or your fingers. Ensure no screws are left in place and avoid using excessive force to prevent damaging the panel or the internal components. 
 
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            Flip up the black retaining flap securing the audio board's ribbon cable. 
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            Slide the ribbon cable out of its connector on the audio board. 
 
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To reassemble your device, follow these instructions in reverse order.