Introduction

An overheating laptop, or an always on noisy fan, can be caused by a clogged heatsink, clogged fan, broken fan, or bad thermal paste.

The battery is located on the front right corner of the laptop.
  • The battery is located on the front right corner of the laptop.

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With one finger on the raised grip, slide the latch towards the front of the laptop.
  • With one finger on the raised grip, slide the latch towards the front of the laptop.

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Pull the battery out towards the side. Pull the battery out towards the side.
  • Pull the battery out towards the side.

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Lift the battery straight up, out of the computer. Lift the battery straight up, out of the computer.
  • Lift the battery straight up, out of the computer.

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Unscrew all of the visible screws on the bottom of the laptop.
  • Unscrew all of the visible screws on the bottom of the laptop.

  • The screws circled are not necessary to remove.

  • Keeping track of which hole each screw goes in will speed up reassembly.

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Unscrew the screws located beneath the battery.
  • Unscrew the screws located beneath the battery.

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Using a set of case opening tools, pry open the left and right sides of the black plastic strip above the keyboard. Fully detach the strip. Fully detach the strip.
  • Using a set of case opening tools, pry open the left and right sides of the black plastic strip above the keyboard.

  • Fully detach the strip.

These last two pictures seem to show the same thing.

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Unscrew the two screws near the top of the keyboard. Unscrew the two screws near the top of the keyboard.
  • Unscrew the two screws near the top of the keyboard.

Make sure to include screw lengths to the nearest mm.

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Lift the keyboard by holding the middle top of the keyboard. The keyboard is still connected by a ribbon cable to the motherboard.
  • Lift the keyboard by holding the middle top of the keyboard.

  • The keyboard is still connected by a ribbon cable to the motherboard.

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Carefully pull upwards on the ribbon cable to detach. Remove keyboard. Remove keyboard.
  • Carefully pull upwards on the ribbon cable to detach.

  • Remove keyboard.

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Unscrew the screws on either side of the power button circuit board. Unscrew the screws on either side of the power button circuit board.
  • Unscrew the screws on either side of the power button circuit board.

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Pull upward on the small white ribbon cable to detach from circuit board. Pull upward on the small white ribbon cable to detach from circuit board.
  • Pull upward on the small white ribbon cable to detach from circuit board.

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Unscrew the screw located on the left side of the optical drive near the heat sink cover in the middle of the laptop.
  • Unscrew the screw located on the left side of the optical drive near the heat sink cover in the middle of the laptop.

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Using spudger, push the optical drive out to the right. Using spudger, push the optical drive out to the right. Using spudger, push the optical drive out to the right.
  • Using spudger, push the optical drive out to the right.

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Disconnect both speaker connectors located near the center of the laptop. Disconnect both speaker connectors located near the center of the laptop.
  • Disconnect both speaker connectors located near the center of the laptop.

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Unscrew all visible screws on the heat sink shield. Unscrew all visible screws on the heat sink shield.
  • Unscrew all visible screws on the heat sink shield.

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Disconnect the monitor connector. Disconnect the monitor connector.
  • Disconnect the monitor connector.

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Starting from the front right corner pry apart the black bottom from the gray top. Starting from the front right corner pry apart the black bottom from the gray top. Starting from the front right corner pry apart the black bottom from the gray top.
  • Starting from the front right corner pry apart the black bottom from the gray top.

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Set aside the top half. Set aside the top half.
  • Set aside the top half.

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Unscrew the remaining screws on the heatsink and fan brackets. Unscrew the remaining screws on the heatsink and fan brackets.
  • Unscrew the remaining screws on the heatsink and fan brackets.

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Disconnect the fan power connector. Remove the heatsink and fan. Check the heatsink fins and fan for any dust build-up. If any is found use compressed air to clean.
  • Disconnect the fan power connector.

  • Remove the heatsink and fan.

  • Check the heatsink fins and fan for any dust build-up. If any is found use compressed air to clean.

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Clean the old thermal paste off the CPU and heatsink.
  • Clean the old thermal paste off the CPU and heatsink.

    • Use a q tip to remove the majority of the thermal paste.

    • Use an isopropyl alcohol soaked q tip to further clean remaining thermal paste.

    • Dry and clean both surfaces with another q-tip.

  • Once completely clean, apply a rice grain sized amount of new thermal paste to the CPU and reattach the heatsink and fan.

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Conclusion

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

Kiril Lange

Member since: 09/22/2014

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USF Tampa, Team 3-2, Brown Fall 2014 Member of USF Tampa, Team 3-2, Brown Fall 2014

USFT-BROWN-F14S3G2

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