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This guide is on how to replace the touch pad on a HP ProBook 450 G4. The touch pad is the rectangle under the keyboard that acts as a mouse, or a control to the cursor on your screen. You may need to replace your touchpad for a few reasons, such as your touch pad being unresponsive, it being damaged or dented, or your touchpad is picking up movements that you aren't controlling.
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Flip the laptop over.
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Orient the laptop so the two vents on the bottom face upward and are further away from you.
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Use the Phillips #0 screwdriver to remove the 6.8 mm screw that secures the vent panel to the laptop.
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Use the spudger to separate the vent panel from the laptop.
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Slide the vent panel off the backside of the laptop.
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Use the Phillips #0 screwdriver to remove the black 3.2mm screw that secures the hard drive to the left side of the laptop.
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Use the spudger to lift the left side of the hard drive up.
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Pull the hard drive diagonally to the left to release the hard drive from the laptop.
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Remove the 6.6mm T8 Torx screw located below where the hard drive used to be.
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Remove the 6.6mm T8 Torx screw located below and to the left of the circular, silver and black fan.
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Use the spudger to press down on the two black tabs that are underneath where the hard drive used to be.
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Apply pressure to the black tabs until they release and pop out.
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Orient the laptop so the keyboard is facing upwards and towards you.
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Insert the spudger in between the edge of the keyboard and the computer frame.
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Slide the spudger around the edge of the keyboard until the keyboard is loose.
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Gently pull the keyboard away from the body of the laptop.
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Use a spudger to gently lift up the black locking bar on the keyboard connector.
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Slide the keyboard ribbon out of the connector.
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Remove the keyboard.
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Flip the laptop back over so it is facing upwards.
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Remove the six 6.6 mm screws underneath where the keyboard used to be using a T8 Torx screwdriver.
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Use the spudger to disconnect the nine cable connectors that secure the top case of the laptop to the body of the laptop.
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Insert the spudger in between the top case of the laptop and its outer frame.
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Slide the spudger around the edge of the laptop until the case comes off.
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Remove the top case.
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Flip the top cover over.
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Use the spudger to disconnect the cable connector labeled TP.
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Remove the four M2 1.9 mm screws holding the touchpad down.
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Lift the touchpad up and out from the top.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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University of North Texas, Team 5-3, Coppersmith Spring 2024 crwdns2935289:0University of North Texas, Team 5-3, Coppersmith Spring 2024crwdne2935289:0
UNT-COPPERSMITH-S24S5G3
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