Introduction
This guide shows how to replace the motherboard in the HP EliteBook x360 1030 G3. The motherboard is an essential component that connects different parts in a computer so it can function. A motherboard that doesn't work or has been fried makes the computer useless. Replacing it can allow you to extend the life of your computer.
Tools
Parts
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            Close the laptop and flip it so that the screen is on the surface of the table and the back plate is facing you. 
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            Remove the 3.3 mm screw near the top of the hinge using a T5 Torx screwdriver. 
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            Remove the remaining four 7.3 mm screws using the same screwdriver. 
 
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            Separate the bottom cover from the laptop, starting from the upper corner and working your way around the edge. 
 
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            Remove the five 3.7 mm screws that are holding the battery in place using a Phillips #00 screwdriver. 
 
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            Carefully pull the white plastic battery connector towards you until it is removed from the port. 
 
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            Use a Phillips #1 screwdriver to remove the four 3.5 mm screws near the middle of the fan assembly. 
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            Use the same screwdriver to remove the remaining five 3.9 mm screws. 
 
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            Before pulling the fan out, identify the two wires that are connected to the fan and to the motherboard. 
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            For each, use plastic opening tool to lift the black wire housing upward out of its port. 
 
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            Slide the fan assembly toward you, and when the top edge of the fan is out of the vent grill, the fan is completely removed. 
 
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            Detach the small wires connected to the card by lifting the ends straight upward. The wires are held in place by friction and should pop right off. 
 
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            Remove the single 5 mm screw holding the HDMI port cover in place using a Phillips #0 screwdriver. 
 
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            Flip up the five white wire clips and the single black clip using an iFixit opening tool. 
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            Detach the wires connected to the motherboard. 
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            Remove the two 5 mm screws that hold the motherboard in place with a Phillips #1 screwdriver. 
 
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            Carefully remove the motherboard from the device by sliding it away from the laptop hinge and lifting upwards. Pull the blue sticky foam off of the back of the motherboard. 
 
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To reassemble your device, follow these instructions in reverse order.