HP Elitebook 840 G1 Motherboard Replacement

Ashley Williams 和 3 其他贡献者

最后更新于 August 6, 2018

20分钟

中等

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简介

转到步骤 1

If the computer may start to boot but then shuts down, increased Windows errors or "blue screens of death” the computer may freeze for seemingly no reason, or connected devices that worked before suddenly won’t work, replace the motherboard on the HP EliteBook 840 G1

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步骤 1 Battery

HP Elitebook 840 G1 Motherboard Replacement, Battery: 步骤 1 中的图像 1，1

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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步骤 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.

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步骤 3

Battery should easily be lifted up and out.

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步骤 4 RAM

HP Elitebook 840 G1 Motherboard Replacement, RAM: 步骤 4 中的图像 1，1

在这个步骤中使用的工具：

Anti-Static Wrist Strap

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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.

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步骤 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.

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步骤 6

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

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步骤 7 Hard Drive

HP Elitebook 840 G1 Motherboard Replacement, Hard Drive: 步骤 7 中的图像 1，2

HP Elitebook 840 G1 Motherboard Replacement, Hard Drive: 步骤 7 中的图像 2，2

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

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步骤 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.

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步骤 9 Heatsink and Fan

HP Elitebook 840 G1 Motherboard Replacement, Heatsink and Fan: 步骤 9 中的图像 1，1

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.

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步骤 10

Remove SD card by sliding it out.

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步骤 11

HP Elitebook 840 G1 Motherboard Replacement: 步骤 11 中的图像 3，3

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.

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步骤 12

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

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步骤 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.

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步骤 14

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

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步骤 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.

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步骤 16

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

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步骤 17 Motherboard

HP Elitebook 840 G1 Motherboard Replacement, Motherboard: 步骤 17 中的图像 1，1

Disconnect the two antenna cables.
They are labeled as 1 and 2 and should go back to the same place when put back.

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步骤 18

Remove the single 3 mm Phillips #1 screw securing the wireless card.

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步骤 19

Remove the three 4 mm Phillips #1 screws.
Remove the single 2 mm Phillips #1 screw.

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步骤 20

Remove both ribbons marked.
Before removing the ribbon pry the small black tabs that seat them.

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步骤 21

Pry the grey plastic tab from the orange tab to free it.
Repeat for the clear plastic tab.

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步骤 22

Disconnect the cables by taking off the tape and getting them out from under the plastic.

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步骤 23

Remove ribbon cable connected to the motherboard.
Before removing ribbon pry the small white tab that seats the ribbon.

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步骤 24

Disconnect plastic port.

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步骤 25

Remove black tape near the edge of the motherboard.

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步骤 26

The motherboard can now be lifted up easily, if any snagging occurs make sure everything was disconnected properly before continuing.
When reassembly ensure nothing is stuck under the motherboard.

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