Introduction
If you're having sound issues, your speakers may be broken. Follow these steps to replace them.
Tools
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            Slide and hold the switch by the fan vent to the unlocked position. Firmly grasp the battery and pull away from tablet. 
 
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            Unscrew hard drive panel using a Phillips head #1 screwdriver. 
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            (Our device was not given to us with a hard drive or a hard drive panel) 
 
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            To disconnect the three white ribbon cables on the side closest to the hard drive connector, pull the white plastic tabs. 
 
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            To disconnect the remaining ribbon cables, pull the plastic connectors away from their connections. 
 
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            Using a spudger, press in the five tabs on the side where the battery was. 
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            This should separate the two halves of the device. Carefully set the side with the display off to the side. 
 
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            Locate the Bluetooth board. 
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            Disconnect the ribbon cable by pulling on the plastic connector. 
 
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            Unscrew the 4mm screw holding the board onto the tablet. 
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            Lift the board out of the tablet and carefully set it aside. 
 
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            To remove the speaker near the network port, unscrew the two black 4mm screws securing it to the tablet and pull away. 
 
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            To remove the speaker near the headphone jack, unscrew the one 4mm black screw securing it to the tablet. 
 
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            Unstick the white masking tape and the black electrical tape holding the black and red wire down. 
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            Pull out the wire and speaker. 
 
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To reassemble your device, follow these instructions in reverse order.