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On switching the computer back on, the computer is restored to its state prior to hibernation, with all programs and files open, and unsaved data intact. In contrast with standby mode, hibernation mode saves the computer's state on the hard disk, which requires no power to maintain, whereas standby mode saves the computer's state in RAM, which ...
Sleep mode and hibernation can be combined: the contents of RAM are copied to the non-volatile storage and the computer enters sleep mode. This approach combines the benefits of sleep mode and hibernation: The machine can resume instantaneously, and its state, including open and unsaved files, survives a power outage.
Buying a used Mac can save you quite a bit of money, but there are some important things to look out for.
Absolutely — provided you shop at a reputable outlet like the Apple Refurbished Store. You’ll get a device free of the previous owner’s data, backed by a warranty, and contribute to reducing ...
The MacBook Air was the first subcompact notebook offered by Apple after the 12" PowerBook G4 discontinued in 2006. It was also Apple's first computer with an optional solid-state drive. [10] It was the last Mac to use a PATA storage drive, and the only one with an Intel CPU.
1. Click the Apple menu, and then click Shut Down. Note: Wait for 20 seconds, and then turn on the computer. 2. On the keyboard, hold down the Command and Option keys, and then tap the esc key. In the Force Quit Applications window, click any program other than Finder to highlight it, and then click Force Quit. 3.
Advanced Configuration and Power Interface (ACPI) is an open standard that operating systems can use to discover and configure computer hardware components, to perform power management (e.g. putting unused hardware components to sleep), auto configuration (e.g. Plug and Play and hot swapping), and status monitoring.
Devices sold as 'Certified Refurbished' through the Apple store differ from most other refurbished devices. For example, iOS devices sold as Apple Certified Refurbished will always come with a brand-new battery and brand-new "outer shell". [4] Because of this, these devices may be considered remanufactured, rather than refurbished.