Introduction
This device can be identified utilizing the criterion on the device page. When replacing the motherboard, be sure to set aside the following tools: T5 Torx screwdriver, PH #0 screwdriver, and plastic opening tool.
Tools
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            Once screws are removed, use the plastic opening tool to carefully separate the body from the screen encasing. 
 
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            Once the body of the nüvi is separated, carefully flip the tabs on the motherboard that secure the ribbon cable to the motherboard and disconnect. 
 
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            Once the body of the nüvi is separated and the ribbon cable is disconnected, remove the three 1.6mm Phillips #0 screws. 
 
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            Carefully disconnect the two cables connecting the battery to the motherboard and remove motherboard. 
 
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To reassemble your device, follow these instructions in reverse order.