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How to turn on macbook air that wont turn on10/31/2023 ![]() On MacBooks with physical function (F1–F12) keys, the power button is the key in the upper right corner of the keyboard (if it's an older Mac with an optical drive, this is also the Eject button). If the system shutdown dialog appears, select Restart from the available options. Otherwise, try holding down the Control (Ctrl) key and pressing the power button. If your Mac won’t boot at all, it might be something to do with hardware. If the OS is frozen but the mouse cursor still responds, click the Apple () symbol in the upper left corner of the screen and select Restart. If yes, it might be that your Mac’s problem is with software.If it's just an application that's frozen rather than the operating system, hold down the Option (⌥) key then right-click the offending app's icon in the Dock and select Force Quit.When you hear the second start-up tone (or, on a Mac Pro, see a second Apple logo appear and disappear), you can release the keys and let the computer finish its start-up sequence.Force restarting a MacBook, MacBook Air, or MacBook Pro is generally considered a last resort, but if the worst happens and your machine freezes up, it's the quickest way of getting things running again.īefore taking this extreme option though, it's worth making sure that you've exhausted all potential software solutions. ![]() You can reset the NVRAM or PRAM by shutting down the Mac and then starting it up again while holding down the Option, Command, P and R keys all at once. If the Mac is not maintaining its settings for volume level, display resolution, time-zone information or preferred start-up disk, information held in the NVRAM may have become corrupt. Modern Macs also store some settings in an area of the system called the nonvolatile random access memory (NVRAM) older Macs use parameter random-access memory (PRAM) in a similar manner. might fix erratic Mac behavior, although it will not help with a damaged power supply or another major hardware problem. (You may also have to redo any preferences for your display and power-management settings.) While performing a reset does not generate an alert box or notification, you can tell if you were successful if the odd Mac behavior stops. The guide also lists a series of things you should try before resetting the S.M.C. reset process for all its Intel-based Macs, including those with removable batteries and desktop models. ![]() Apple’s support site has a full guide to the S.M.C. ![]()
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