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Dell Latitude E7470 Fan and Heatsink Replacement

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In this Guide, several steps of how to remove the fan and heat pipe parts will be introduced and key screws will be circled by red circles. The fan and heat pipe helps the computer to transport the heat more effectively. Disassembling the fan the heat pipe is required for keyboard replacement.

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    Dell Latitude E7470 Fan and Heatsink Replacement, Back Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the eight 4 mm screws on the back cover using a Phillips #0 screwdriver.

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  2. Dell Latitude E7470 Fan and Heatsink Replacement, Battery: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Use the pull tab on the battery connector to lift the connector straight up off its socket on the motherboard, disconnecting it.

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  4. Dell Latitude E7470 Fan and Heatsink Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Latitude E7470 Fan and Heatsink Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the single 4 mm Phillips screw securing the bottom left corner of the battery.

    • If you are removing an extended capacity battery, remove the Phillips screw securing the bottom right corner of the battery.

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  5. Dell Latitude E7470 Fan and Heatsink Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the battery from the laptop.

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  6. Dell Latitude E7470 Fan and Heatsink Replacement, Fan and Heatsink: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Latitude E7470 Fan and Heatsink Replacement, Fan and Heatsink: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • After opening the backcase of the computer, remove the screws using the Phillips #0 screwdriver.

    • Unplug and remove the wire from the socket.

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  7. Dell Latitude E7470 Fan and Heatsink Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the fan and heatsink from the laptop.

    • Make sure to wipe off the existing thermal paste from the CPU and heatsink with an alcohol-soaked pad and apply a new layer.

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

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Bo Zeng

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Duke University Pratt School of Engineering, Team S4-G3, Matos-Garner Fall 2019 crwdns2935289:0Duke University Pratt School of Engineering, Team S4-G3, Matos-Garner Fall 2019crwdne2935289:0

DUKEPSE-MATOS-GARNER-F19S4G3

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