Introduction
This guide will show you how to replace the touchpad in the Dell Vostro 5510. The touchpad is responsible for moving the mouse and interaction with the screen. Common symptoms of a broken touchpad are inconsistent or erratic responses, no response at all, and not being able to interact with the mouse. Make sure the battery is completely disconnected before starting on the touchpad.
Tools
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Remove the remaining (M2x4mm) screws with the screwdriver.
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Loosen the two captive (M2x7.5mm) corner screws with the screwdriver.
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Pry open the top left corner of the cover with the opening tool.
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Pry open the top right corner of the cover with the opening tool.
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Pry the rest of the cover with the opening tool, working in a clockwise motion until it is completely loosened.
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Remove the three 2.2mm screws holding the guard bar in place with the Phillips #0 screwdriver.
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Remove the touchpad from the computer by lifting the side closest to the edge and pulling out.
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To reassemble your device, follow these instructions in reverse order.