Introduction
If the motherboard on your Trio Stealth-10 is no longer functioning, replacement isn't difficult and this guide will give you the step by step procedure to do so.
Tools
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            To remove the back panel, you will need to use a plastic opening tool and slowly separate the back panel from the device. 
 
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            Next you will need to remove the two screws attached to the speaker. If you have a 54 bit Driver Kit use the Philips Head 0 (or PH 0) head to remove the two 4mm screws. 
 
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            Disconnect the camera from the mother board. Use a spudger and lift the grey latch until it is facing up then pull out the connection for the cameras. 
 
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            Remove the second layer of tape above camera cable connection gently and remove the cameras from the device. 
 
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            Disconnect the screen/digitizer connection. Use tweezers and pull each grey end of the connection until there is a small gap between the grey and white on the connector to the motherboard. The connection should be easily removable. 
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            Pull the cable away and clear from under the battery to avoid damage to the connection. 
 
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            Pry battery up from adhesive. Use a type of adhesive remover. Nail polish remover works well. 
 
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            Grasp the EDC tape with your tweezers and lift it off gently from the motherboard and set aside to be reused. 
 
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            Be sure that all the connections to the motherboard are disconnected. Proceed to remove the motherboard by slowly tilting it away from you and then lifting it straight up. 
 
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To reassemble your device, follow these instructions in reverse order.