HP Pavilion dv7-1448dx Motherboard Replacement

Введение

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.

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Шаг 1 Battery

HP Pavilion dv7-1448dx Motherboard Replacement, Battery: шаг 1, изображение 1 из 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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Шаг 2

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

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Шаг 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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Шаг 4 Motherboard

HP Pavilion dv7-1448dx Motherboard Replacement, Motherboard: шаг 4, изображение 1 из 3

HP Pavilion dv7-1448dx Motherboard Replacement, Motherboard: шаг 4, изображение 2 из 3

HP Pavilion dv7-1448dx Motherboard Replacement, Motherboard: шаг 4, изображение 3 из 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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Шаг 5

Disconnect the WLAN antenna cables.

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Шаг 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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Шаг 7

HP Pavilion dv7-1448dx Motherboard Replacement: шаг 7, изображение 3 из 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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Шаг 8

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

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Шаг 9

HP Pavilion dv7-1448dx Motherboard Replacement: шаг 9, изображение 3 из 3

Slide out and remove the black watch battery.

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Шаг 10

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

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Шаг 11

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

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Шаг 12

Unplug the white assembly cable.

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Шаг 13

Lift off the speaker.

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Шаг 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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Шаг 15

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

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Шаг 16

HP Pavilion dv7-1448dx Motherboard Replacement: шаг 16, изображение 3 из 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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Шаг 17

Disconnect the display panel cable.

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Шаг 18

HP Pavilion dv7-1448dx Motherboard Replacement: шаг 18, изображение 3 из 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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Шаг 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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Шаг 20

Disconnect the white ribbon cable.

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Шаг 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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Шаг 22

HP Pavilion dv7-1448dx Motherboard Replacement: шаг 22, изображение 3 из 3

Pry up on the metal casing to fully remove.

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Шаг 23

HP Pavilion dv7-1448dx Motherboard Replacement: шаг 23, изображение 3 из 3

Disconnect the white cable near the bottom of the laptop.

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Шаг 24

HP Pavilion dv7-1448dx Motherboard Replacement: шаг 24, изображение 3 из 3

Disconnect the white fan cable.

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Шаг 25

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

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Шаг 26

HP Pavilion dv7-1448dx Motherboard Replacement: шаг 26, изображение 3 из 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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