Asus Rog G750Jh Db71 Fan Replacement Repair Guide

Difficulty

Difficult

Steps

Time Required

                          45 minutes

Sections

Battery
2 steps
Asus ROG G750JH-DB71 Disassembly
7 steps
Fan
4 steps

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Introduction

The fan provides cooling for all the internal components. After long term use of the laptop the components start to heat up. The fan will turn on a remove heat from inside the laptop. If your laptop is experiencing overheating after extended use, consider replacing the fan.

Before replacing the fan, inspect it, look to see if there’s any buildup of dust or debris keeping the fan from working. If this is the case clean the fan with a cloth, cotton swab, or whatever you prefer. Make sure to also check the vents on the exterior of the laptop for any dust or debris.

What you need

Step 1

              Battery

Ensure the laptop is powered off and unplugged before beginning.
Flip the laptop over so the bottom case is facing up.

Ensure the laptop is powered off and unplugged before beginning.

Flip the laptop over so the bottom case is facing up.

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Step 2

Push the switch near the front of the laptop to release the battery from the computer.
Pull the battery out and away from the center of the computer.

Push the switch near the front of the laptop to release the battery from the computer.

Pull the battery out and away from the center of the computer.

Step 3

              Asus ROG G750JH-DB71 Disassembly

Use a spudger or your finger to lift up the plastic cover on back of the laptop.
Under the plastic cover is a captive screw; unscrew it using a Phillips #00 screwdriver.

Use a spudger or your finger to lift up the plastic cover on back of the laptop.

Under the plastic cover is a captive screw; unscrew it using a Phillips #00 screwdriver.

Step 4

Remove the cover.
If your goal is to replace/remove only the hard drive. You don’t have to complete the following disassembly steps and can go on to the hard drive replacement guide.

Remove the cover.

If your goal is to replace/remove only the hard drive. You don’t have to complete the following disassembly steps and can go on to the hard drive replacement guide.

Step 5

Remove the hard drive by unscrewing the 4.4 mm Phillips #00 screws.
Remove all of the plastic caps around the edges using a pick or flathead screwdriver, and remove the screws underneath them. (one 13 mm Phillips #00, six 8 mm Phillips #00)
Remove all of the screws underneath the cover removed previously. (six 8mm Phillips #00, three 1 mm Phillips #00)

Remove the hard drive by unscrewing the 4.4 mm Phillips #00 screws.

Remove all of the plastic caps around the edges using a pick or flathead screwdriver, and remove the screws underneath them. (one 13 mm Phillips #00, six 8 mm Phillips #00)

Remove all of the screws underneath the cover removed previously. (six 8mm Phillips #00, three 1 mm Phillips #00)

Step 6

Push on the metal tab with a flathead screwdriver or an iFixit tool to remove the CD rom. It is located below a previously removed screw.
Do not pull the CD rom out from the side before pushing the metal tab as it will only damage the cover.
Remove the three (4 mm Phillips #00) screws that were previously covered by the CD rom.

Push on the metal tab with a flathead screwdriver or an iFixit tool to remove the CD rom. It is located below a previously removed screw.

Do not pull the CD rom out from the side before pushing the metal tab as it will only damage the cover.

Remove the three (4 mm Phillips #00) screws that were previously covered by the CD rom.

Step 7

Once the screws are out and the CD rom is removed, the back cover can be taken off by hand.
Disconnect the speaker cables located in picture 1 and 2.
Remove two 8 mm Phillips #00 screws on each corner shown in picture 3.

Once the screws are out and the CD rom is removed, the back cover can be taken off by hand.

Disconnect the speaker cables located in picture 1 and 2.

Remove two 8 mm Phillips #00 screws on each corner shown in picture 3.

Step 8

Pry the keyboard gently using the iFixit prying tool.
Make sure to unhook the cables and wires from the keyboard gently in Picture 3.

Pry the keyboard gently using the iFixit prying tool.

Make sure to unhook the cables and wires from the keyboard gently in Picture 3.

Step 9

Now you can pull the keyboard off but make sure to do so carefully without damaging or scuffing any components.
Pull up and out at an angle as to avoid damaging the internals of the laptop.

Now you can pull the keyboard off but make sure to do so carefully without damaging or scuffing any components.

Pull up and out at an angle as to avoid damaging the internals of the laptop.

Step 10

Fan

Remove the Data and Wi-fi cables from the sockets shown.

Remove the Data and Wi-fi cables from the sockets shown.

Step 11

Slowly close the lid and turn the device around.
Remove the 6 screws (3 on each side) from the edges of the device. (8mm Phillips 00)
Remove the Webcam cable.

Slowly close the lid and turn the device around.

Remove the 6 screws (3 on each side) from the edges of the device. (8mm Phillips 00)

Remove the Webcam cable.

Step 12

Carefully lift the lid away from the rest of the device.
There may be tape covering the fans or other components. Remove it slowly as to not damage anything.

Carefully lift the lid away from the rest of the device.

There may be tape covering the fans or other components. Remove it slowly as to not damage anything.

Step 13

Remove the three screws surrounding each fan shown along with the ribbon cables connecting them to the motherboard. (4mm Phillips 00)
Remove the USB port board blocking the rightmost fan.
Remove the fans from the board.

Remove the three screws surrounding each fan shown along with the ribbon cables connecting them to the motherboard. (4mm Phillips 00)

Remove the USB port board blocking the rightmost fan.

Remove the fans from the board.

To reassemble your device, follow these instructions in reverse order.

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Author

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                    James Mills

Member since: 10/25/2022

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Team

                       UMass Dartmouth, Team 5-5, Sinclaire Fall 2022                        

                                                  Member of UMass Dartmouth, Team 5-5, Sinclaire Fall 2022 



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Introduction

What you need

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