HP Pavilion dv7-1448dx Motherboard Replacement

はじめに

This guide provides instructions for replacing the motherboard of the laptop. If your laptop is not starting correctly, replacing the motherboard may provide a solution to these issues.

必要な工具と部品

手順1 Battery

HP Pavilion dv7-1448dx Motherboard Replacement, Battery: 手順 1、 1の画像 1

Make sure the computer is unplugged and turned off.
Place the computer front side down with the battery compartment farthest away.

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手順2

Slide the switch under the battery compartment to the left until the compartment opens. This may require some force.

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手順3

Lightly pry the battery upward to remove.
When reinserting the battery, match the latches along the backside of the battery with the corresponding slots in the computer in order to press it into place.

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手順4 Motherboard

HP Pavilion dv7-1448dx Motherboard Replacement, Motherboard: 手順 4、 3の画像 1

HP Pavilion dv7-1448dx Motherboard Replacement, Motherboard: 手順 4、 3の画像 2

HP Pavilion dv7-1448dx Motherboard Replacement, Motherboard: 手順 4、 3の画像 3

Unscrew the six Phillips PM2.5×6.0 captive screws with a Phillips #00 screwdriver.
Pry the back casing up and away from the rest of the laptop with the plastic opening tool.

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手順5

Disconnect the WLAN antenna cables.

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手順6

Remove the five Phillips PM2.5×7.0 screws with a Phillips #00 screwdriver.
Remove the 17 Phillips PM2.5×3.0 screws with a Phillips #00 screwdriver.
A magnet may be useful to help take out the screws.

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手順7

HP Pavilion dv7-1448dx Motherboard Replacement: 手順 7、 3の画像 3

Remove the grey mounting bracket by unscrewing the two Phillips PM2.5×3.0 screws with a Phillips #00 screwdriver.
Slide the bracket to the left to remove.

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手順8

Remove the two Phillips PM2.5×4.0 broadhead screws with a Phillips #00 screwdriver.

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手順9

HP Pavilion dv7-1448dx Motherboard Replacement: 手順 9、 3の画像 3

Slide out and remove the black watch battery.

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手順10

Turn the laptop over and open it so that the keyboard is exposed.
Lift off the speaker cover.

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手順11

Remove the three Phillips PM2.5×3.0 screws, located on the speaker, with a Phillips #00 screwdriver.

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手順12

Unplug the white assembly cable.

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手順13

Lift off the speaker.

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手順14

Remove the four Phillips PM2.0×4.0 screws with a Phillips #00 screwdriver.
Partially lift the keyboard to access the ribbon cable underneath.

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手順15

Disconnect the black zero insertion force connector in order to completely remove the keyboard.

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手順16

HP Pavilion dv7-1448dx Motherboard Replacement: 手順 16、 3の画像 3

Unhook the black WLAN antenna cables from the clasps holding it in place.
Pull up to fully disconnect the ends of the WLAN antenna cables.

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手順17

Disconnect the display panel cable.

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手順18

HP Pavilion dv7-1448dx Motherboard Replacement: 手順 18、 3の画像 3

Remove the seven Phillips PM2.0×4.0 screws from the base of the screen with a Phillips #00 screwdriver.
Lift up the screen to remove it from the rest of the laptop.

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手順19

Press in on the silver cover in order to eject the dust cover.
Pull the plastic dust cover to completely remove it from the laptop.

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手順20

Disconnect the white ribbon cable.

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手順21

Remove the six PM2.5X5.0 screws with a Phillips #00 screwdriver.
Next, remove the six PM2.5X2.0 screws with a Phillips #00 screwdriver.

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手順22

HP Pavilion dv7-1448dx Motherboard Replacement: 手順 22、 3の画像 3

Pry up on the metal casing to fully remove.

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手順23

HP Pavilion dv7-1448dx Motherboard Replacement: 手順 23、 3の画像 3

Disconnect the white cable near the bottom of the laptop.

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手順24

HP Pavilion dv7-1448dx Motherboard Replacement: 手順 24、 3の画像 3

Disconnect the white fan cable.

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手順25

Lift the motherboard up and away from the rest of the laptop.
The motherboard is still not fully removed.

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手順26

HP Pavilion dv7-1448dx Motherboard Replacement: 手順 26、 3の画像 3

Rotate the motherboard so that the backside is now facing upward. It should still be connected by a single cable.
Unplug the white power connector cable. The motherboard is now fully removed.

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