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.
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The first SLRs had clip-on external light meters, and those meters eventually became standard components. Unfortunately with interchangeable lens cameras, the meter’s coverage only matched the standard lens and perhaps a 35mm wide-angle lens. It wasn’t through-the-lens (TTL) metering, but at least it eliminated the need to carry a separate light meter. The Topcon RE […]
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Apple’s One-Year Limited Warranty for MacBook Air excludes coverage for damage resulting from a number of events, including accident, liquid spill or submersion, unauthorized service and unauthorized modifications. If damage is outside the scope of warranty coverage, service may be available through a local AASP or an Apple retail store, but all service charges will be your responsibility. In such an event, you will be asked to approve the estimated charges and accept the terms and conditions for service before authorizing the repair. If the repair is performed at an Apple retail store Apple's Repair Terms and Conditions will govern service. Repair service for a MacBook Air that has experienced catastrophic damage, for example extensive liquid damage or a severe impact that results in the product being disassembled into multiple pieces, is generally not available and not eligible for service.
To gain optical drive features, users could either purchase an external USB SuperDrive or other brand, or the bundled Remote Disc software, only for browsing or software installation to access the drive of another computer wirelessly that has the program installed. It can also be used to reinstall the system software from the included installation DVD. Remote Disc supports NetBooting, so the Air can boot from its installation DVD in another computer's drive, which requires Remote Install Mac OS X to be running on that computer. The software does not allow playback or information of DVDs, CDs or installing Windows. For these features, an external USB drive is required. More recent versions of OS X replaced the installation DVD with a USB flash drive containing the software, eliminating remote installation.
Apple is about to begin charging users outside of their warranty for online chat support using a new web payment system it recently developed. Sources familiar with the project say Apple is currently expecting to launch the new paid chat support, which will also let customers schedule repairs and replacements online, as early as next week. Here’s how it works: