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HP Elitebook 840 G1 Motherboard Replacement

Introdução

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

O que você precisa

  1. HP Elitebook 840 G1 Motherboard Replacement, Battery: passo 1, imagem 1 %32

    • 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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  2. HP Elitebook 840 G1 Motherboard Replacement: passo 2, imagem 1 %32

    • 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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  3. HP Elitebook 840 G1 Motherboard Replacement: passo 3, imagem 1 %32

    • Battery should easily be lifted up and out.

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  4. HP Elitebook 840 G1 Motherboard Replacement, RAM: passo 4, imagem 1 %32
    Ferramenta utilizada neste passo:
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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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  5. HP Elitebook 840 G1 Motherboard Replacement: passo 5, imagem 1 %32

    • 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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  6. HP Elitebook 840 G1 Motherboard Replacement: passo 6, imagem 1 %32

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

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  7. HP Elitebook 840 G1 Motherboard Replacement, Hard Drive: passo 7, imagem 1 %32 HP Elitebook 840 G1 Motherboard Replacement, Hard Drive: passo 7, imagem 2 %32

    • Loosen the four Phillips screws securing the hard drive.

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

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  8. HP Elitebook 840 G1 Motherboard Replacement: passo 8, imagem 1 %32

    • 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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  9. HP Elitebook 840 G1 Motherboard Replacement, Heatsink and Fan: passo 9, imagem 1 %32

    • 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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  11. HP Elitebook 840 G1 Motherboard Replacement: passo 10, imagem 1 %32

    • Remove SD card by sliding it out.

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  12. HP Elitebook 840 G1 Motherboard Replacement: passo 11, imagem 1 %32 HP Elitebook 840 G1 Motherboard Replacement: passo 11, imagem 2 %32 HP Elitebook 840 G1 Motherboard Replacement: passo 11, imagem 3 %32

    • 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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  13. HP Elitebook 840 G1 Motherboard Replacement: passo 12, imagem 1 %32 HP Elitebook 840 G1 Motherboard Replacement: passo 12, imagem 2 %32

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

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  14. HP Elitebook 840 G1 Motherboard Replacement: passo 13, imagem 1 %32 HP Elitebook 840 G1 Motherboard Replacement: passo 13, imagem 2 %32

    • 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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  15. HP Elitebook 840 G1 Motherboard Replacement: passo 14, imagem 1 %32 HP Elitebook 840 G1 Motherboard Replacement: passo 14, imagem 2 %32

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

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  16. HP Elitebook 840 G1 Motherboard Replacement: passo 15, imagem 1 %32

    • 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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  17. HP Elitebook 840 G1 Motherboard Replacement: passo 16, imagem 1 %32 HP Elitebook 840 G1 Motherboard Replacement: passo 16, imagem 2 %32

    • 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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  18. HP Elitebook 840 G1 Motherboard Replacement, Motherboard: passo 17, imagem 1 %32

    • 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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  19. HP Elitebook 840 G1 Motherboard Replacement: passo 18, imagem 1 %32

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

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  20. HP Elitebook 840 G1 Motherboard Replacement: passo 19, imagem 1 %32 HP Elitebook 840 G1 Motherboard Replacement: passo 19, imagem 2 %32

    • Remove the three 4 mm Phillips #1 screws.

    • Remove the single 2 mm Phillips #1 screw.

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  21. HP Elitebook 840 G1 Motherboard Replacement: passo 20, imagem 1 %32

    • Remove both ribbons marked.

    • Before removing the ribbon pry the small black tabs that seat them.

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  22. HP Elitebook 840 G1 Motherboard Replacement: passo 21, imagem 1 %32

    • Pry the grey plastic tab from the orange tab to free it.

    • Repeat for the clear plastic tab.

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  23. HP Elitebook 840 G1 Motherboard Replacement: passo 22, imagem 1 %32

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

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  24. HP Elitebook 840 G1 Motherboard Replacement: passo 23, imagem 1 %32

    • Remove ribbon cable connected to the motherboard.

    • Before removing ribbon pry the small white tab that seats the ribbon.

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  25. HP Elitebook 840 G1 Motherboard Replacement: passo 24, imagem 1 %32

    • Disconnect plastic port.

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  26. HP Elitebook 840 G1 Motherboard Replacement: passo 25, imagem 1 %32

    • Remove black tape near the edge of the motherboard.

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  27. HP Elitebook 840 G1 Motherboard Replacement: passo 26, imagem 1 %32

    • 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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Conclusão

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

16 outras pessoas executaram este guia.

Autor(a)

com 3 outros contribuidores

Ashley Williams

Membro desde: 08/27/15

2.419 Reputação

Autoria de 5 guias

Emblemas: 19

+16 outros emblemas

Equipe

USF Tampa, Team 5-3, Blackwell Fall 2015 Membro de USF Tampa, Team 5-3, Blackwell Fall 2015

USFT-BLACKWELL-F15S5G3

Membros da 4

Autoria de 19 guias

7 comentários

thanks a lot for this good article ... could you please advice where to buy the replacement motherboard online ?

many thanks again

Siyamand Rashid - Responder

Alibaba or AliExpress is cheaper than eBay or Amazon but if in USA then buy from

Baba Callum -

Does someone know if we can replace a 745 g2 motherboard by another model like a 820 g2 or something like this ? Tks.

Rusterholtz - Responder

745 G2 can only be replaced with 840 G2.

While 725 G2 can only be replaced by 820 G2

Baba Callum -

How can i find this mother card

Heritier Habumugisha - Responder

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