简介

Replacing a defective fan is pretty easy and will keep your laptop running cool.

视频概述

  1. Unplug your MacBook Air and power it off before you proceed.
    • Unplug your MacBook Air and power it off before you proceed.

    • Remove ten Phillips screws securing the lower case to the MacBook Air:

    • Six 2.8 mm screws

    • Two 3.8 mm screws

    • Two 5.4 mm screws

  2. Slightly lift the lower case near the vents and push it toward the rear of the computer to free the mounting tabs. Slightly lift the lower case near the vents and push it toward the rear of the computer to free the mounting tabs.
    • Slightly lift the lower case near the vents and push it toward the rear of the computer to free the mounting tabs.

  3. Disconnect the battery connector by pulling it straight out of its socket.
    • Disconnect the battery connector by pulling it straight out of its socket.

  4. Remove the following nine screws securing the battery to the Air:
    • Remove the following nine screws securing the battery to the Air:

    • Four 2.9 mm Phillips.

    • Four 3.8 mm Phillips.

    • One 7.2 mm Phillips.

  5. Lift the battery out of the Air.
    • Lift the battery out of the Air.

    • If you're installing a new battery, you should calibrate it after installation:

    • Charge it to 100%, and then keep charging it for at least 2 more hours. Then, unplug and use it normally to drain the battery. When you see the low battery warning, save your work, and keep your laptop on until it goes to sleep due to low battery. Wait at least 5 hours, then charge your laptop uninterrupted to 100%.

    • If you notice any unusual behavior or problems after installing your new battery, you may need to reset your MacBook's SMC.

  6. Disconnect the port hatch ribbon cable from the logic board by pulling it straight up by its black pull tab. Pull the audio out ribbon cable off the adhesive securing it to the upper case. Use a spudger to pry the audio out ribbon cable connector board off the hard drive bracket.
    • Disconnect the port hatch ribbon cable from the logic board by pulling it straight up by its black pull tab.

    • Pull the audio out ribbon cable off the adhesive securing it to the upper case.

    • Use a spudger to pry the audio out ribbon cable connector board off the hard drive bracket.

  7. Disconnect the audio out cable from its socket on the port hatch ribbon cable.
    • Disconnect the audio out cable from its socket on the port hatch ribbon cable.

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  9. Use a spudger to pry the hard drive cable connector up off the logic board.
    • Use a spudger to pry the hard drive cable connector up off the logic board.

  10. Use the sharp end of a spudger to de-route the microphone cable from the hard drive bracket. Remove the cosmetic screw cover from the adhesive securing it to the hard drive bracket.
    • Use the sharp end of a spudger to de-route the microphone cable from the hard drive bracket.

    • Remove the cosmetic screw cover from the adhesive securing it to the hard drive bracket.

  11. Remove the four Phillips screws securing the hard drive assembly to the upper case:
    • Remove the four Phillips screws securing the hard drive assembly to the upper case:

    • Two 4.7 mm screws.

    • Two 3.9 mm screws.

  12. Lift the hard drive assembly out of the upper case.
    • Lift the hard drive assembly out of the upper case.

  13. Use the tip of a spudger to pull the fan cable connector straight away from its connector on the logic board.
    • Use the tip of a spudger to pull the fan cable connector straight away from its connector on the logic board.

  14. Use the tip of a spudger to move the cosmetic fan cover aside. Use the tip of a spudger to move the cosmetic fan cover aside.
    • Use the tip of a spudger to move the cosmetic fan cover aside.

  15. If you have the original version of the MacBook Air (A1237), refer to picture 1. Remove the following screws securing the heat sink to the logic board: One 5.9 mm Phillips screw.
    • If you have the original version of the MacBook Air (A1237), refer to picture 1. Remove the following screws securing the heat sink to the logic board:

    • One 5.9 mm Phillips screw.

    • Two 1.9 mm Phillips screws.

    • One 1.9 mm Phillips screw.

    • If you have the A1304 version of MacBook Air, refer to picture 2. Remove the following screws securing the heat sink to the logic board:

    • One 5.0 mm Phillips screw

    • Five 1.9 mm Philips screws.

    • One 2.5 mm Phillips screw.

  16. Lift the processor clamp off the heat sink.
    • Lift the processor clamp off the heat sink.

  17. Deroute the microphone cable away from the channel in the fan.
    • Deroute the microphone cable away from the channel in the fan.

  18. Lift the heat sink up off the logic board.
    • Lift the heat sink up off the logic board.

    • Be mindful of the microphone cable when lifting the heat sink, as it can get tangled on the top edge of the fan.

    • When you mount the heat sink back onto the logic board, be sure to apply a new layer of thermal paste. We have a guide that makes replacing the thermal paste easy.

  19. If you have the A1304 version of MacBook Air, the fan is a separate component. The following steps therefore do not apply to your model. Simply detach the microphone cable from where it is adhered to the fan, and lift the fan out from the machine at this point.
    • If you have the A1304 version of MacBook Air, the fan is a separate component. The following steps therefore do not apply to your model. Simply detach the microphone cable from where it is adhered to the fan, and lift the fan out from the machine at this point.

    • Remove the four 2.5 mm Phillips screws securing the fan to the heat sink assembly.

  20. Lift the heat sink assembly up off the fan.
    • Lift the heat sink assembly up off the fan.

  21. Lift the cosmetic fan bracket out of the fan.
    • Lift the cosmetic fan bracket out of the fan.

    • Fan remains.

结论

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

24等其他人完成本指南。

This guide does not say anything about thermal paste. For the original Mac Book Air model, that requires the fan to be replaced together with the heatsink, the thermal paste should probably be removed and re-applied. Here's a guide on how to do it.

eugene_o - 回复

Can i replace the fan from a 2008 A1237 model with the one from the 2008-2009 A1304?

Alessandro Seneci - 回复

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