Einleitung
Just a step by step guide on how to teardown a Dell Latitude 3500 for educational purposes.
Let's get started!
Werkzeuge
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            10 screws total 
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            The screws don't come the whole way out of the cover, but you will feel when they are loosened enough. 
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            A spudger will make quick work of removing the cover, but you may have to open the laptop to find a spot for it to fit. 
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            Sometimes the cover can snag when you go to pull it off: a snap may have caught again, or a screw may be hanging on by a thread. 
 
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            One screw holds an aluminum plate in place over the SSD to disperse heat. 
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            Another screw holds the actual SSD in place. 
 
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            2 screws 
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            Carefully lift the black tab to free the ribbon cable from it's connection to the motherboard. 
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            On the underside is where the CMOS battery is located. 
 
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            Unplug the small fan header from it's slot on the motherboard 
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            2 screws total holding the fan in place. 
 
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            2 screws total 
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            the cable can be unplugged from the motherboard by carefully pulling up on the connector 
 
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            1 screw total, holds a small bracket in place over the antennas. 
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            Use a tool to carefully lift the antennas upwards from their connections. 
 
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            There's a small amount of tape that needs peeled back 
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            7 screws total 
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            There's also a small lip on the top edge of the touchpad that will catch if you pull it out at an angle. 
 
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            7 screws total 
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            The screws are numbered to spread the thermal paste the most evenly across each die. 
 
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            2 screws on each side 
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            These hinges hold the 2 halves together, so it will slide when you lift them up 
 
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            Spudge around the edges, even the hinge. 
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            Thin(but strong) adhesive is placed around the border of the screen. 
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            4 screws holding screen in place. 
 
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