Acer Predator 17 G9-791 Motherboard Replacement

Introduction

If when charging your Acer Predator 17 G9-791 it boots up and then shuts down or has screen issues such as freezing or a blue screen, then use this guide to replace the motherboard.

What you need

Step 1 Service Panel

Acer Predator 17 G9-791 Motherboard Replacement, Service Panel: step 1, image 1 of 1

The service panel can be located on the bottom of the device. It is shown here as the panel located in the middle of the device, going from the upper vents to the bottom of the device.

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Step 2

Loosen the two Phillips #0 screws.
Pull up slightly on the top of the panel to help fully separate the screws from the rest of the device.

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Step 3

Continue pulling up on the panel to separate it from the laptop and remove it.

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Step 4 Bottom Case

Acer Predator 17 G9-791 Motherboard Replacement, Bottom Case: step 4, image 1 of 3

Acer Predator 17 G9-791 Motherboard Replacement, Bottom Case: step 4, image 2 of 3

Acer Predator 17 G9-791 Motherboard Replacement, Bottom Case: step 4, image 3 of 3

Remove the nine 4.5 mm Phillips #0 screws from the panel.
Remove four 14 mm Phillips #0 screws.
Remove six 7 mm Phillips #0 screws.

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Step 5

Slide the "unlock" slider up located to the right of the service panel and pull the disc tray out.

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Step 6

Remove the two 4.5 mm Phillips #0 screws located underneath the removed optical drive.

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Step 7

Pry up on the edges of the bottom cover and lift the bottom case off of the device.

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Step 8 Battery

Acer Predator 17 G9-791 Motherboard Replacement, Battery: step 8, image 1 of 1

Remove the six 4 mm Phillips #0 screws from the battery.

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Step 9

Disconnect the battery connector from the motherboard.

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Step 10

Gently lift the battery and remove it from the device.

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Step 11 Fan Assembly

Acer Predator 17 G9-791 Motherboard Replacement, Fan Assembly: step 11, image 1 of 2

Acer Predator 17 G9-791 Motherboard Replacement, Fan Assembly: step 11, image 2 of 2

Remove the five 4.5 mm Phillips #0 screws located on the perimeter of the fans.

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Step 12

Unscrew the six Phillips #0 screws enough to loosen the assembly from the motherboard.

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Step 13

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Detach the left fan's cord from the motherboard.

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Step 14

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Detach the right fan's cord from the motherboard.

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Step 15

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Lift the fan assembly up and out.

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Step 16 Motherboard

Acer Predator 17 G9-791 Motherboard Replacement, Motherboard: step 16, image 1 of 1

Remove the two 5 mm Phillips #0 screws from the small PCB.

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Step 17

Acer Predator 17 G9-791 Motherboard Replacement: step 17, image 3 of 3

Pull the small PCB to the right and then up to remove it from the device.

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Step 18

Pull up on the “woofer” wire to remove it from its connector.

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Step 19

Remove the two connectors.

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Step 20

Separate the same two wires from the subwoofer.

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Step 21

Pull the subwoofer up and out of the device.

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Step 22

Acer Predator 17 G9-791 Motherboard Replacement: step 22, image 3 of 3

Remove the six connectors.
Some require you to flip the white part of the connector up first to remove them.

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Step 23

Acer Predator 17 G9-791 Motherboard Replacement: step 23, image 3 of 3

Remove one 4.5 mm Phillips #0 screw from the WLAN card and pull the card out.

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Step 24

Remove six 5 mm Phillips #0 screws from the motherboard.

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Step 25

Turn the device around.
Use the black tab to disconnect the one connector on the bottom of the motherboard.
When reinstalling you should plug this connector back in as you set the motherboard down.

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Step 26

Remove the two black 7 mm Phillips #0 screws from the left display bracket.

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Step 27

Remove the two silver 5 mm Phillips #0 screws from the left display bracket.

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Step 28

Pull the motherboard up and out of the device. You may need to open the lid slightly for the removal process.
When reinstalling the motherboard, ensure that wires do not get stuck under the motherboard as you set it back down.

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