Apple is the king of consumer laptop tech support, and the company added to its repertoire in the past year. In addition to answering questions via social media, live online chats, its support app and phone calls, the company began posting tutorials to a YouTube channel in November 2017. These options flank the company's existing Genius Bar, which still stands out as one of the few ways users can get in-person support directly from a laptop-maker.
I normally never write reviews but was so impressed with Shiva that I just had to post a comment. He not only immediately identified the reason my computer crashed but also quickly cleared up additional, long-standing issues I'd been having. In just a couple of days I had my computer back with its new hard drive up & running & all the data loaded back on. I'm a happy woman!
MacBook Air components are officially non-user-replaceable, though third-parties do sell upgrade kits for the SSDs. The flash memory and battery are enclosed within the casing, with RAM soldered onto the motherboard. The flash memory, difficult to access, has a 128 MB cache and a mSATA connection (updated to a proprietary PCIe interface) to the motherboard.