HP Elitebook 840 G1 Motherboard Replacement

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步骤 1 电池

在设备开机时对其进行操作可能会导致触电。
开始之前，请确保关闭设备并拔下电源。
向右滑动闩锁，使其脱离锁定符号。将盖子滑离闩锁，将其卸下。

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步骤 2

取下盖子后，你将可以看到电池以及将其固定到位的两个闩锁。
应将两个闩锁向后拉，其中一个是弹簧加载的，必须固定到位才能卸下电池。

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步骤 3

电池应轻松提起和取出。

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步骤 4

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在这个步骤中使用的工具：

Anti-Static Wrist Strap

$7.95

购买

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

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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

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

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步骤 7

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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

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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

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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

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Remove SD card by sliding it out.

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步骤 11

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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

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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

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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

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

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步骤 15

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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

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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

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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

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

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步骤 19

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

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步骤 20

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

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步骤 21

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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

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

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步骤 23

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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

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Disconnect plastic port.

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步骤 25

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Remove black tape near the edge of the motherboard.

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步骤 26

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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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