Dell Vostro 3550 Motherboard Replacement

はじめに

This guide will walk through all the necessary steps in order to replace the motherboard for the Dell Vostro 3550. This guide may be needed in order to access components connected to the motherboard such as the CMOS battery, fan, and other components. When these components overheat, the motherboard will become damaged and will need to be replaced.

必要な工具と部品

手順1 Unlocking the Battery

Dell Vostro 3550 Motherboard Replacement, Unlocking the Battery: 手順 1、 1の画像 1

Slide the release latches to unlock the battery.

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手順2 Sliding the Battery

Dell Vostro 3550 Motherboard Replacement, Sliding the Battery: 手順 2、 1の画像 1

Slide the battery and remove it from the computer.

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手順3 Keyboard

Dell Vostro 3550 Motherboard Replacement, Keyboard: 手順 3、 3の画像 1

Dell Vostro 3550 Motherboard Replacement, Keyboard: 手順 3、 3の画像 2

Dell Vostro 3550 Motherboard Replacement, Keyboard: 手順 3、 3の画像 3

Turn the laptop right side up. Open the display to reveal the keyboard.
Use the metal spudger to pry the keyboard upward from the base. Make sure to pop each of the three clips keeping the keyboard in place.

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手順4

Dell Vostro 3550 Motherboard Replacement: 手順 4、 3の画像 3

Carefully lift the keyboard upward to reveal the keyboard ribbon cable.

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手順5

Lift the black tab on the keyboard cable connector upwards to release the cable.

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手順6

Dell Vostro 3550 Motherboard Replacement: 手順 6、 3の画像 3

Pull the ribbon cable away from the connector.
Remove the keyboard.

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手順7 Remove the Screws

Dell Vostro 3550 Motherboard Replacement, Remove the Screws: 手順 7、 1の画像 1

Remove the three 7mm Phillips #0 screws that secure the access panel to the base of the computer.

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手順8 Lifting the Access Panel

Dell Vostro 3550 Motherboard Replacement, Lifting the Access Panel: 手順 8、 1の画像 1

Lift the access panel up at an angle and remove it from the computer.

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手順9 Remove the Screws

Dell Vostro 3550 Motherboard Replacement, Remove the Screws: 手順 9、 1の画像 1

Remove the two 5mm Phillips #0 screws that secure the hard drive to the system.

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手順10 Removing the Hard Drive

Dell Vostro 3550 Motherboard Replacement, Removing the Hard Drive: 手順 10、 1の画像 1

Lift up the hard drive at an angle from the system and remove.

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手順11 Remove the Screws

Dell Vostro 3550 Motherboard Replacement, Remove the Screws: 手順 11、 1の画像 1

Remove the four 5mm Phillips #0 screws that secure the hard drive bracket to the hard drive.

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手順12 Motherboard

Dell Vostro 3550 Motherboard Replacement, Motherboard: 手順 12、 2の画像 1

Dell Vostro 3550 Motherboard Replacement, Motherboard: 手順 12、 2の画像 2

Remove the five 7mm Phillips #0 screws fastening the aluminum side panels to the laptop.

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手順13

Turn the computer over and open the screen.
Remove the two 5mm Phillips #0 screws to the far right and far left of the motherboard casing.

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手順14

Dell Vostro 3550 Motherboard Replacement: 手順 14、 3の画像 3

Remove the small ribbon cable connected to the left side of the casing.
Repeat this step for the three remaining ribbon cables on the casing.

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手順15

Dell Vostro 3550 Motherboard Replacement: 手順 15、 3の画像 3

Use the metal spudger to release the palmrest assembly from the rest of the laptop.
Lift off the palmrest assembly to reveal the motherboard.

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手順16

Remove the small cable connecting the motherboard to the rest of the computer.

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手順17

Remove the ribbon cable at the far left that is connecting the motherboard to the screen.

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手順18

Dell Vostro 3550 Motherboard Replacement: 手順 18、 3の画像 3

Remove the seven 5mm Phillips #0 screws that are fastening the motherboard to the casing.
Lift upwards on the motherboard to remove it from the laptop casing.

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