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HP EliteBook 850 G3 Motherboard Replacement

Introduction

If your HP EliteBook 850 G3 is running slower than normal, use this guide to complete a Motherboard Replacement on your device. The Motherboard itself is a printed circuit board that allows the CPU, RAM, and all other computer hardware components to communicate with each other. When it is faulty it may cause the computer to slow down. A computer can also be slow because of issues like RAM usage limits so be sure to troubleshoot all symptoms before replacing the motherboard. Before beginning, make sure to power off your laptop completely and disconnect from any external power source. Before using this guide, feel free to check out the troubleshooting page to see if any issues can be resolved without a replacement.

What you need

  1. HP EliteBook 850 G3 Motherboard Replacement, WiFi Card: step 1, image 1 of 1

    • Turn off your laptop before starting

    • Flip the laptop over so the model stickers face the ceiling.

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  2. HP EliteBook 850 G3 Motherboard Replacement: step 2, image 1 of 2 HP EliteBook 850 G3 Motherboard Replacement: step 2, image 2 of 2

    • Use a Phillips #0 screwdriver to remove eleven 5.7mm screws.

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  3. HP EliteBook 850 G3 Motherboard Replacement: step 3, image 1 of 2 HP EliteBook 850 G3 Motherboard Replacement: step 3, image 2 of 2

    • Insert the iFixit opening pick underneath the plastic back of the laptop. Use force to pry back off.

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  4. HP EliteBook 850 G3 Motherboard Replacement: step 4, image 1 of 1

    • Use the Phillips #0 screwdriver to remove the 3.3mm screw on the WiFi card.

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  5. HP EliteBook 850 G3 Motherboard Replacement: step 5, image 1 of 2 HP EliteBook 850 G3 Motherboard Replacement: step 5, image 2 of 2

    • Slide out the WiFi card.

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  6. HP EliteBook 850 G3 Motherboard Replacement: step 6, image 1 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 6, image 2 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 6, image 3 of 3

    • Disconnect the coaxial cables wires from the WiFi card.

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  8. HP EliteBook 850 G3 Motherboard Replacement, Fan: step 7, image 1 of 1

    • Gently unclip the plastic frame.

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  9. HP EliteBook 850 G3 Motherboard Replacement: step 8, image 1 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 8, image 2 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 8, image 3 of 3

    • Use a Phillips #0 screwdriver to unscrew the four captive screws located near the fan and heatsink assembly.

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  10. HP EliteBook 850 G3 Motherboard Replacement: step 9, image 1 of 2 HP EliteBook 850 G3 Motherboard Replacement: step 9, image 2 of 2

    • Carefully remove the connector for the fan.

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  11. HP EliteBook 850 G3 Motherboard Replacement: step 10, image 1 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 10, image 2 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 10, image 3 of 3

    • Carefully remove the fan and heatsink assembly from the laptop.

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    • Slide out RAM (not pictured).

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  13. HP EliteBook 850 G3 Motherboard Replacement: step 12, image 1 of 1

    • Use a #00 Phillips screwdriver to remove twelve 5.7 mm screws from the motherboard.

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  14. HP EliteBook 850 G3 Motherboard Replacement: step 13, image 1 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 13, image 2 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 13, image 3 of 3

    • Remove the wire connectors.

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  15. HP EliteBook 850 G3 Motherboard Replacement: step 14, image 1 of 2 HP EliteBook 850 G3 Motherboard Replacement: step 14, image 2 of 2

    • Jiggle the motherboard until the ports (ie. headphone jack) come out from the sides and you can lift it up.

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  16. HP EliteBook 850 G3 Motherboard Replacement: step 15, image 1 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 15, image 2 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 15, image 3 of 3

    • Disconnect the wires underneath.

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  17. HP EliteBook 850 G3 Motherboard Replacement: step 16, image 1 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 16, image 2 of 3 HP EliteBook 850 G3 Motherboard Replacement: step 16, image 3 of 3

    • Take out the motherboard.

    Edit
Conclusion

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

Author

with 2 other contributors

Annabeth Grover

Member since: 10/10/19

922 Reputation

5 Guides authored

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Team

USF Tampa, Team S1-G1, Leahy Fall 2019 Member of USF Tampa, Team S1-G1, Leahy Fall 2019

USFT-LEAHY-F19S1G1

4 Members

6 Guides authored

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