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Dell Inspiron 17-3721 Fan Replacement

はじめに

It is possible for the cooling fan inside a laptop to become very noisy due to dust, die out, or break all together. This guide will show how to remove and replace the fan of the device.

必要な工具と部品

  1. Dell Inspiron 17-3721 Fan Replacement, Keyboard: 手順 1、 2の画像 1 Dell Inspiron 17-3721 Fan Replacement, Keyboard: 手順 1、 2の画像 2

    • Use a plastic opening tool or a metal spudger to pry out the tabs on top of the keyboard.

    • After prying the tabs up, carefully pull the keyboard out of the laptop.

    • Use caution when prying the tabs up or lifting the keyboard up, as the plastic material and the strip on the keyboard can easily break.

    編集

  2. Dell Inspiron 17-3721 Fan Replacement: 手順 2、 2の画像 1 Dell Inspiron 17-3721 Fan Replacement: 手順 2、 2の画像 2

    • Once the keyboard is lifted, locate the release tab.

    • Using a plastic opening tool or your finger, lift the tab so that it opens .

    • Once the tab is open, the strip on the keyboard can be removed.

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  3. Dell Inspiron 17-3721 Fan Replacement, Optical Drive: 手順 3、 3の画像 1 Dell Inspiron 17-3721 Fan Replacement, Optical Drive: 手順 3、 3の画像 2 Dell Inspiron 17-3721 Fan Replacement, Optical Drive: 手順 3、 3の画像 3

    • Remove the four 6 mm PH1 Philips head screws under the keyboard.

    • Carefully pop off the cover using the plastic opening tools and your hands.

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  4. Dell Inspiron 17-3721 Fan Replacement: 手順 4、 3の画像 1 Dell Inspiron 17-3721 Fan Replacement: 手順 4、 3の画像 2 Dell Inspiron 17-3721 Fan Replacement: 手順 4、 3の画像 3

    • Remove the 4 mm PH1 Philips head screw holding down the optical drive.

    • Use your hand to slide the drive out of the device.

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  6. Dell Inspiron 17-3721 Fan Replacement, Fan: 手順 5、 1の画像 1

    • Remove the seven 6mm PH1 Philips head screws from the motherboard.

    • There may be more or less screws in your motherboard as the laptops do vary.

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  7. Dell Inspiron 17-3721 Fan Replacement: 手順 6、 2の画像 1 Dell Inspiron 17-3721 Fan Replacement: 手順 6、 2の画像 2

    • Located on the lower left of the motherboard, disconnect the wire that connects the speaker by pushing it or pulling it away from the white box.

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  8. Dell Inspiron 17-3721 Fan Replacement: 手順 7、 1の画像 1

    • Located on the lower right of the motherboard, flip up the black hatch and remove the ribbon cable by gently tugging it outwards.

    • Ribbon cables are very fragile and can tear easily. Handle with care.

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  9. Dell Inspiron 17-3721 Fan Replacement: 手順 8、 1の画像 1

    • Remove the 4mm PH1 Philips screw to the right of the fan.

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  10. Dell Inspiron 17-3721 Fan Replacement: 手順 9、 1の画像 1

    • Remove the 4mm PH1 Philips screw to the top of the fan.

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  11. Dell Inspiron 17-3721 Fan Replacement: 手順 10、 1の画像 1

    • Remove the motherboard from the USB sockets to the left by first pulling the motherboard to the right and then flip the motherboard up against the screen.

    編集

  12. Dell Inspiron 17-3721 Fan Replacement: 手順 11、 1の画像 1

    • Located on the lower left, remove the 4mm PH1 Philips screw to the top of the fan.

    編集

  13. Dell Inspiron 17-3721 Fan Replacement: 手順 12、 2の画像 1 Dell Inspiron 17-3721 Fan Replacement: 手順 12、 2の画像 2

    • Remove the wire for the fan by pulling or pushing the white tab from the white box.

    編集
終わりに

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

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Kevin Prairie

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