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Lenovo ThinkPad L490 Fan and Heatsink Replacement

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  1. Lenovo ThinkPad L490 Fan and Heatsink Replacement, Lower Case: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo ThinkPad L490 Fan and Heatsink Replacement, Lower Case: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Completely shut down your device and disconnect any peripheries before beginning.

    • Lay the laptop down with the lower case facing up.

    • Use a Phillips #00 screwdriver to remove eight 3 mm screws that secure the lower case.

  2. Lenovo ThinkPad L490 Fan and Heatsink Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo ThinkPad L490 Fan and Heatsink Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Lift the lower case up and off of the chassis.

    • If necessary, insert an opening pick into the gap between the lower case and chassis and pry around the entire perimeter until the lower case fully releases.

  3. Lenovo ThinkPad L490 Fan and Heatsink Replacement, Fan and Heatsink: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Grip the battery connector and pull it directly out of its motherboard socket.

  4. Lenovo ThinkPad L490 Fan and Heatsink Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo ThinkPad L490 Fan and Heatsink Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo ThinkPad L490 Fan and Heatsink Replacement: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Use your fingernails to gently "walk" the fan connector directly out of its motherboard socket.

  5. Lenovo ThinkPad L490 Fan and Heatsink Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo ThinkPad L490 Fan and Heatsink Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use a Phillips #00 screwdriver to remove the four M2 x 2.5 mm screws that secure the heatsink.

  6. Lenovo ThinkPad L490 Fan and Heatsink Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo ThinkPad L490 Fan and Heatsink Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo ThinkPad L490 Fan and Heatsink Replacement: crwdns2935265:06crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Gently remove the fan/heatsink assembly.

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To reassemble your device, follow the above steps in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Samuel Crook

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