Einleitung

CPU Cooling Fan Part Number

686901-001 DC28000BFS0

The CPU Cooling Fan allows for continuous cooling of the CPU also known as the brain of a computer inside a laptop to not overheat and burn the user.

This CPU Cooling Fan can be prone to issues of overheating due to clogging or a faulty fan. If you believe the fan is not faulty and only needs cleaning, you can remove the fan and cleanse it with a computer duster.

This guide will go step-by-step on how to remove a clogged or faulty cooling fan.

Check out the Troubleshooting guide for other issues that could be related to the fan.

CAUTION: Placing the computer on a cloth surface such as your lap, a bed, or a couch cushion, can restrict or completely block the airflow. Prolonged air restriction causes overheating and potential damage.

CAUTION: DO NOT continue to use the computer when a fan is not working correctly. Overtime, exposure to consistently high temperatures can damage other important internal components.

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    • Flip the laptop over onto it's top with the back facing you

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    • Pull the slide release tab to the left to free the battery.

    • Once the slide release is all the way over, a red icon should be visible.

    • As you pull the tab, the bottom edge of the battery should start to come up.

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    • Remove the battery

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    • Remove the center screw using a Phillips #1 screwdriver.

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    • Move the battery slide release latch to the side while pulling the service cover forward.

    • Pull the service cover straight up and out to remove.

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    • Use a Phillips #1 screwdriver to remove the single screw holding the optical drive

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    • Use a spudger to apply pressure to the tab, while simultaneously pulling out the optical drive.

    • While the images show the tab being pushed out with a screwdriver, we recommend using an ESD-safe instrument instead!

    Need a second photo to show the tab being lifted up.

    John Lamothe -

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    • Pull the optical drive out of the base of the laptop.

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    • Remove the four Phillips #1 screws from the hard drive bracket.

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    • Disconnect the cable from the side of the hard drive and move to the side.

    • Remove the hard drive.

    • Our laptop did not have a hard drive when we disassembled it

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    • Remove the two Phillips #1 screws that secure the keyboard to the laptop.

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    • Make the device stand onto its left side with the device open.

    • Turn the laptop and look into the empty battery slot for two release holes.

    • Insert a metal spudger into the release holes and apply pressure to the back of the keyboard until it comes loose of the laptop.

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    • Gently lift the keyboard away from the laptop.

    • Lift up the cable holder and remove the cable connection from the base of the laptop.

    • Lift up the locking tab of the ZIF connector and remove the keyboard backlight cable.

    • The keyboard backlight cable is only present on select models.

    You’re using red and orange bullets here, but I don’t see any red or orange highlighting marks (i.e. circles or boxes).

    Also, how does the cable disconnect? Either describe it and/or show it in pics.

    John Lamothe -

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    • Remove the 13 screws on the bottom of the laptop that secure the top cover using a Phillips #1 screwdriver.

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    • Disconnect Power button board cable using a pair tweezers.

    • Disconnect Touch Pad button board cable using a pair tweezers.

    • Disconnect Fingerprint reader board cable using a pair tweezers.

    • Disconnect Right speaker cable using a pair tweezers.

    • Remove the 4 screws using a Phillips #1 screwdriver.

    • Apply force to the base of the cover to pop if off from the laptop base.

    • Be sure the cable for the right speaker doesn't get caught on the cover as it is removed or the speaker could be damaged.

    May need to break this into a couple different steps and show more pics.

    John Lamothe -

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    • Remove the two screws holding the cooling fan down with a Phillips #1 screwdriver.

    • Disconnect the cooling fan cable using a pair tweezers.

    • Gently lift the cooling fan.

Abschluss

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

Donghyeok Roh

Mitglied seit: 30/01/20

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