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HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement

Introduction

Use this guide to replace the heat sink and fan of your HP EliteBook 840 Aero G8. The heat sink and fan need to be replaced if your device is overheating and not performing properly. Be sure to remove the battery before removing the heat sink and fan, as potential for electric shock is present.

What you need

  1. HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement, Battery: step 1, image 1 of 2 HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement, Battery: step 1, image 2 of 2

    • Use a JIS #0 screwdriver to unscrew the three 6.73 mm case retention screws.

    • Use a JIS #0 screwdriver to unscrew and remove the two 8.76 mm screws.

    Edit

  2. HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 2, image 1 of 2 HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 2, image 2 of 2

    • Use the Halberd Spudger to remove the cable running along the bottom of the battery

    Edit

  3. HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 3, image 1 of 2 HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 3, image 2 of 2

    • Disconnect the cable connected the battery to the motherboard

    Edit

  4. HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 4, image 1 of 2 HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 4, image 2 of 2

    • Use a JIS #0 screwdriver to unscrew the four 7 mm screws that secure the battery.

    Edit

  6. HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 5, image 1 of 1

    • Slide the battery out of the clips to remove it from the laptop.

    Edit

  7. HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement, Heat Sink and Fan: step 6, image 1 of 2 HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement, Heat Sink and Fan: step 6, image 2 of 2

    • Unplug the fan cable from the motherboard.

    Edit

  8. HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 7, image 1 of 2 HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 7, image 2 of 2

    • Use the JIS #0 screwdriver to remove the three 5.33 mm screws that secure the fan.

    Edit

  9. HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 8, image 1 of 2 HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 8, image 2 of 2

    • Use a JIS #0 screwdriver to remove the four 4.06 mm screws from the heat sink.

    Edit

  10. HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 9, image 1 of 1

    • Lift the fan free.

    Edit

  11. HP EliteBook 840 Aero G8 Heat Sink and Fan Replacement: step 10, image 1 of 1

    • Lift the heat sink free.

    Edit
Conclusion

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

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