Lenovo ThinkPad T490 Fan and Heat Sink Assembly Replacement

ID: 178577

Description: This guide covers how to replace the fan for...

Steps:

1. Loosen the screws from the base plate.
2. Using a Philips #1 screwdriver fully loosen the six screws on the back cover.
3. These screws are captive - they will not fully come out after being unscrewed.

4. Insert the iFixit opening tool into the space between the base plate and the chassis.
5. Glide the tool along the perimeter of the case in order to release the clips holding the case and chassis together.

6. Grab the edge of the cover and lift the cover away from you.
7. There may be additional clips holding the cover in place. These remaining clips will release easily as you remove the cover.

8. Use a Philips #1 screwdriver to loosen the five captive screws that secure the heat sink.
9. These screws are captive - they will not fully come out after being unscrewed.

10. Disconnect the fan connector from its motherboard socket.

11. Gently lift the fan and heat sink assembly up and out of the chassis.