Einleitung
Is the touchpad in your Dell Inspiron 15-3543 not working properly, sticking down, or is unresponsive?
If so, here is the guide to fix the problem by simply replacing your touchpad. You will need the #0 Phillips screwdriver and opening tools, in order to remove the 19 screws involved with this replacement and pry the top panel from the bottom panel.
Werkzeuge
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Flip the device over so the bottom is facing up.
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Using a #0 Phillips screwdriver, remove the 4.0mm screw to the right of the disk drive.
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Using a #0 Phillips screwdriver, remove the 2.0mm screw from the back of the device beside the vents.
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Slide the panel off by placing your hands on top and, while using a little force, sliding your hands down.
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Using a #0 Phillips screwdriver, remove the 2.0mm screw beside the black pull tab on the hard drive to the bottom left of the device.
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Pull the black tab up and to the left to completely remove the hard drive.
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Sit the hard drive to the side once it is out.
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Turn the device over and open it.
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You will see 5 notches at the top of the keyboard.
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Stick the end of the metal spudger between each of these notches to pry the keyboard up. Once you hear a pop sound, stop and move onto the next notch.
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Once all five notches at the top of the keyboard are loosened, begin pulling it up from the top.
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To remove the ribbon cable, use the metal spudger tool to pop the ribbon cable lock up.
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After popping up the ribbon cable lock, you can pull the ribbon cable out and sit the keyboard to the side.
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Remove the following ten screws with a #0 Phillips screwdriver:
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Two 8.0mm screws.
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Eight 4.0mm screws.
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Turn the device over and open it.
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Using a #0 Phillips screwdriver, remove the three 4.0mm screws on the front where the keyboard used to be.
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On the front of the device, there will be two ribbon cables. Remove them using the following directions:
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Pull the black cable ribbon lock up and pull the blue ribbon out using the tab.
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Pull the white cable ribbon lock up and pull the blue ribbon out using the tab .
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Using the one or two opening tools, pry the bottom of the top plate off starting underneath the headphone jack.
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On the inside of the top panel, pull the black ribbon cable lock up and pull the ribbon cable out using the tab.
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To reassemble your device, follow these instructions in reverse order.
