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HP ProBook 450 G4 Daughterboard Replacement

Introduction

This is a guide to replace the USB Daughterboard on a HP ProBook 450 G4. Some Indications that you need to be aware of to need to replace it consist of no power from the USB, USB Daughterboard is dented or the board is loose.

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  1. HP ProBook 450 G4 Daughterboard Replacement, Hard Drive: étape 1, image 1 de 2 HP ProBook 450 G4 Daughterboard Replacement, Hard Drive: étape 1, image 2 de 2

    • Power your laptop off.

    • Flip the laptop over.

    • Orient the laptop so the two vents on the bottom face upward and are further away from you.

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  2. HP ProBook 450 G4 Daughterboard Replacement: étape 2, image 1 de 3 HP ProBook 450 G4 Daughterboard Replacement: étape 2, image 2 de 3 HP ProBook 450 G4 Daughterboard Replacement: étape 2, image 3 de 3

    • Use the Phillips #0 screwdriver to remove the 6.8 mm screw that secures the vent panel to the laptop.

    • Use the spudger to separate the vent panel from the laptop.

    • Slide the vent panel off the backside of the laptop.

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  3. HP ProBook 450 G4 Daughterboard Replacement: étape 3, image 1 de 2 HP ProBook 450 G4 Daughterboard Replacement: étape 3, image 2 de 2

    • 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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  4. HP ProBook 450 G4 Daughterboard Replacement: étape 4, image 1 de 2 HP ProBook 450 G4 Daughterboard Replacement: étape 4, image 2 de 2

    • Use the spudger to lift the left side of the hard drive up.

    • Pull the hard drive diagonally to the left to release the hard drive from the laptop.

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  6. HP ProBook 450 G4 Daughterboard Replacement, Keyboard: étape 5, image 1 de 3 HP ProBook 450 G4 Daughterboard Replacement, Keyboard: étape 5, image 2 de 3 HP ProBook 450 G4 Daughterboard Replacement, Keyboard: étape 5, image 3 de 3

    • Remove the 6.6mm T8 Torx screw located below where the hard drive used to be.

    • Remove the 6.6mm T8 Torx screw located below and to the left of the circular, silver and black fan.

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  7. HP ProBook 450 G4 Daughterboard Replacement: étape 6, image 1 de 3 HP ProBook 450 G4 Daughterboard Replacement: étape 6, image 2 de 3 HP ProBook 450 G4 Daughterboard Replacement: étape 6, image 3 de 3

    • Use the spudger to press down on the two black tabs that are underneath where the hard drive used to be.

    • Apply pressure to the black tabs until they release and pop out.

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  8. HP ProBook 450 G4 Daughterboard Replacement: étape 7, image 1 de 3 HP ProBook 450 G4 Daughterboard Replacement: étape 7, image 2 de 3 HP ProBook 450 G4 Daughterboard Replacement: étape 7, image 3 de 3

    • Orient the laptop so the keyboard is facing upwards and towards you.

    • Insert the spudger in between the edge of the keyboard and the computer frame.

    • Slide the spudger around the edge of the keyboard until the keyboard is loose.

    • Gently pull the keyboard away from the body of the laptop.

    • Do not pull the keyboard all the way off because there is still a connector cable underneath that needs to be disconnected.

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  9. HP ProBook 450 G4 Daughterboard Replacement: étape 8, image 1 de 2 HP ProBook 450 G4 Daughterboard Replacement: étape 8, image 2 de 2

    • Use a spudger to gently lift up the black locking bar on the keyboard connector.

    • Slide the keyboard ribbon out of the connector.

    • Remove the keyboard.

    • To re-attach the keyboard ribbon, slide it into the connector and swing the locking bar down.

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  10. HP ProBook 450 G4 Daughterboard Replacement, Daughterboard: étape 9, image 1 de 2 HP ProBook 450 G4 Daughterboard Replacement, Daughterboard: étape 9, image 2 de 2

    • Insert the Jimmy in between the top case of the laptop and its outer frame.

    • Use a spudger to disconnect the three cable connectors.

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  11. HP ProBook 450 G4 Daughterboard Replacement: étape 10, image 1 de 1

    • Use a Phillips #0 screwdriver to remove the 3.2 mm screw.

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  12. HP ProBook 450 G4 Daughterboard Replacement: étape 11, image 1 de 1

    • Remove the two 3 mm screws from the daughterboard using a Phillips #0 screwdriver.

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  13. HP ProBook 450 G4 Daughterboard Replacement: étape 12, image 1 de 1

    • Lift up the daughterboard to remove from the laptop.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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AidanW

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University of North Texas, Team 5-3, Coppersmith Spring 2024 Membre de l'équipe University of North Texas, Team 5-3, Coppersmith Spring 2024

UNT-COPPERSMITH-S24S5G3

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