The green bit is the voltage regulator on the underside of the CPU package-to save this piece from taking up extra space, Intel moved it to the underside of the CPU package in Broadwell. On the bottom of the board is the main 8GB bank of system RAM, the other half of the SSD's flash memory, and a couple of miscellaneous controllers and sensors. As usual, fusing the LCD to the glass earns more scorn from iFixit, since breaking the glass or the LCD panel itself requires the replacement of the entire display assembly. In the Retina MacBook, it's much more difficult, both because the logic board has to be removed before you can disconnect the battery cable and because the battery itself is firmly glued into the case. The MacBook Air's battery isn't meant to be user-replaceable, but in practice it's relatively trivial to pop open the bottom of the computer and swap it out yourself if you have the right tools. Be careful of these cables while removing the bottom case.
The fun begins when you remove the pentalobe screws on the bottom of the laptop and attempt to remove the lower case-while this lower case is just a standalone piece of aluminum in the Air and the Pro, in the MacBook it actually houses some components that are connected to the rest of the laptop via cables.
Macbook pro 2015 upgrade upgrade#
The downside is that you can do increasingly little to repair or upgrade these laptops yourself, and iFixit's teardown of the 2015 MacBook shows that it's even harder to work on than recent MacBook Airs and Pros. The tradeoffs here are the same as they've ever been: lighter laptops that take up less space are obviously desirable, and manufacturing practices like bonding glass directly with LCD panels improve display quality beyond what would normally be possible. Further Reading The 2015 MacBook previews a future that’s not quite hereĪs Apple's laptops have become thinner and lighter, they've also become more tightly integrated.
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