Hp Elitebook 840 G1 Heatsink And Fan Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          15 minutes

Sections

Battery
3 steps
RAM
3 steps
Hard Drive
2 steps
Heatsink and Fan
8 steps

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Introduction

What you need

Step 1

              Battery

Working on your device while it is turned on may result in electric shock. Make sure to shut down and unplug your device before you begin.
Slide the latch, to the right, away from the lock symbol.
Slide the cover away from the latch to remove it.

Working on your device while it is turned on may result in electric shock. Make sure to shut down and unplug your device before you begin.

Slide the latch, to the right, away from the lock symbol.

Slide the cover away from the latch to remove it.

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Step 2

Once the cover is removed you will be able to see the battery and the two latches that hold it in place.
The two latches should be pulled back, one of which is spring loaded and must be held in place in order to remove the battery.

Once the cover is removed you will be able to see the battery and the two latches that hold it in place.

The two latches should be pulled back, one of which is spring loaded and must be held in place in order to remove the battery.

Step 3

Battery should easily be lifted up and out.

Battery should easily be lifted up and out.

Step 4

RAM

Identify the RAM and the pull tabs that will be used in the next step.
Always use an anti-static wrist strap when working on a computer.

Identify the RAM and the pull tabs that will be used in the next step.

Always use an anti-static wrist strap when working on a computer.

Step 5

Pull back the two tabs on either side of the RAM this will allow the RAM to be removed.
When handling a memory module, use care to prevent touching the memory chips on the board. Touching the memory chips could damage or destroy the memory.

Pull back the two tabs on either side of the RAM this will allow the RAM to be removed.

When handling a memory module, use care to prevent touching the memory chips on the board. Touching the memory chips could damage or destroy the memory.

Step 6

Pull the RAM stick gently out and up once the tabs have been pulled to the side.

Pull the RAM stick gently out and up once the tabs have been pulled to the side.

Step 7

              Hard Drive

Loosen the four Phillips screws securing the hard drive.
These screws will stay captive to the plastic hard drive bracket.

Loosen the four Phillips screws securing the hard drive.

These screws will stay captive to the plastic hard drive bracket.

Step 8

Grab the pull tab on the hard drives plastic casing and pull it out and to the side.
Make sure all screws have been properly loosened and are no longer connected at the bottom before doing this step.
Remove the 2.5" hard drive from the plastic bracket.

Grab the pull tab on the hard drives plastic casing and pull it out and to the side.

Make sure all screws have been properly loosened and are no longer connected at the bottom before doing this step.

Remove the 2.5" hard drive from the plastic bracket.

Step 9

              Heatsink and Fan

In order to take out the fan and heatsink the plastic cover must first be taken off.
Remove the eight 2 mm Phillips #1 screws.

In order to take out the fan and heatsink the plastic cover must first be taken off.

Remove the eight 2 mm Phillips #1 screws.

Step 10

Remove SD card by sliding it out.

Remove SD card by sliding it out.

Step 11

Remove the thirteen 6 mm Torx T8 screws.
Some screws have plastic covers over them that need to be pried out before the screws can be removed.
Remove the five Torx M2.5x5 screws.
Remove the single 7 mm Phillips #1 screw.
Loosen the two Phillips #1 screws. These screws will remain captive to the device.

Remove the thirteen 6 mm Torx T8 screws.

Some screws have plastic covers over them that need to be pried out before the screws can be removed.

Remove the five Torx M2.5x5 screws.

Remove the single 7 mm Phillips #1 screw.

Loosen the two Phillips #1 screws. These screws will remain captive to the device.

Step 12

Using the plastic opening tools, remove the plastic cover by beginning at one of the corners and prying it up.

Using the plastic opening tools, remove the plastic cover by beginning at one of the corners and prying it up.

Step 13

Use the plastic opening tools to remove the keyboard, starting at one of the top corners. You need to lift the top side and then takeing it out moving the keyboard towards the screen.
Once the keyboard is removed, detach the ribbons connecting the keyboard to the laptop by prying the small tab and sliding the ribbon out.

Use the plastic opening tools to remove the keyboard, starting at one of the top corners. You need to lift the top side and then takeing it out moving the keyboard towards the screen.

Once the keyboard is removed, detach the ribbons connecting the keyboard to the laptop by prying the small tab and sliding the ribbon out.

Step 14

Loosen the six Phillips #1 screws. These will remain captive to the heatsink.

Loosen the six Phillips #1 screws. These will remain captive to the heatsink.

Step 15

Use the plastic opening tools to remove the tape covering the wires connected from the fan to the motherboard.
Disconnect the fan by sliding the wire out.

Use the plastic opening tools to remove the tape covering the wires connected from the fan to the motherboard.

Disconnect the fan by sliding the wire out.

Step 16

Remove the fan by lifting it up and sliding it out.
Remove the heat sink by lifting it up and sliding it out.

Remove the fan by lifting it up and sliding it out.

Remove the heat sink by lifting it up and sliding it out.

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

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                                                                                      16 other people completed this guide.

Author

                                      with 7 other contributors

                    Ashley Williams

Member since: 08/27/2015

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Team

                       USF Tampa, Team 5-3, Blackwell Fall 2015                        

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                                            19 Guides authored

mediatrigg - Feb 21, 2017

Quality guide. Very logical. Thank you.

wayne evans - Aug 20, 2020

perfectly done, thank you!

Adam Grufík - Aug 27, 2020

Do you need to remove the keyboard for replacing the tehmal paste?

Brendan - Feb 20, 2021

You don’t need to remove the keyoard to replace the thermal paste :)

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