Introduction
Use this guide to replace the heatsink and fan in your Dell Latitude 7490 laptop.
Note: The heatsink and fan are connected and must be replaced as one assembly.
Tools
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Insert the long side of an opening pick between the top right corner of the back cover and frame.
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Pry the back cover up to release the clips securing the top right corner.
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Slide the opening pick down the right edge and around the bottom right corner to release the clips.
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Slide the opening pick along the front edge and up to the top left corner to release the remaining clips securing the back cover.
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Push on alternating sides of the fan cable connector with the point of a spudger to "walk" it out of its socket.
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Use a Phillips screwdriver to remove the six screws securing the heatsink and fan:
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Two 5.6 mm‑long screws on the fan
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Four 3.7 mm‑long screws on the heatsink
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Use the flat end of a spudger to lift the bottom right corner of the heatsink until it breaks free from the CPU.
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To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.