HP Pavilion dv7-1448dx Motherboard Replacement

Kirsten Gilliland e 5 altri collaboratori

Ultimo aggiornamento il April 9, 2019

30 minuti

Molto difficile

Introduzione

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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Passo 1 Battery

HP Pavilion dv7-1448dx Motherboard Replacement, Battery: passo 1, immagine 1 di 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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Passo 2

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

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Passo 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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Passo 4 Motherboard

HP Pavilion dv7-1448dx Motherboard Replacement, Motherboard: passo 4, immagine 1 di 3

HP Pavilion dv7-1448dx Motherboard Replacement, Motherboard: passo 4, immagine 2 di 3

HP Pavilion dv7-1448dx Motherboard Replacement, Motherboard: passo 4, immagine 3 di 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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Passo 5

Disconnect the WLAN antenna cables.

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Passo 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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Passo 7

HP Pavilion dv7-1448dx Motherboard Replacement: passo 7, immagine 3 di 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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Passo 8

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

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Passo 9

HP Pavilion dv7-1448dx Motherboard Replacement: passo 9, immagine 3 di 3

Slide out and remove the black watch battery.

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Passo 10

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

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Passo 11

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

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Passo 12

Unplug the white assembly cable.

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Passo 13

Lift off the speaker.

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Passo 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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Passo 15

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

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Passo 16

HP Pavilion dv7-1448dx Motherboard Replacement: passo 16, immagine 3 di 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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Passo 17

Disconnect the display panel cable.

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Passo 18

HP Pavilion dv7-1448dx Motherboard Replacement: passo 18, immagine 3 di 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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Passo 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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Passo 20

Disconnect the white ribbon cable.

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Passo 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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Passo 22

HP Pavilion dv7-1448dx Motherboard Replacement: passo 22, immagine 3 di 3

Pry up on the metal casing to fully remove.

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Passo 23

HP Pavilion dv7-1448dx Motherboard Replacement: passo 23, immagine 3 di 3

Disconnect the white cable near the bottom of the laptop.

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Passo 24

HP Pavilion dv7-1448dx Motherboard Replacement: passo 24, immagine 3 di 3

Disconnect the white fan cable.

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Passo 25

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

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Passo 26

HP Pavilion dv7-1448dx Motherboard Replacement: passo 26, immagine 3 di 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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