Some Mac models from late and later lack the startup chimes. If you're using one of these Mac models press the appropriate startup key combination immediately after starting your Mac, or if using the restart function right after the screen goes black. These startup shortcuts come in handy if you need to troubleshoot your Mac, or you just want to boot from a different volume than usual.
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- Use any of these 3 methods to get your Mac up and running.
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- Use Startup Manager;
Hold the 'x' key during startup. In some cases, an alternate OS may prevent the Mac's normal boot manager from running. If you have created a bootable Mac OS installer on a flash drive , this is an easy way to boot from the installer.
Hold the 'n' key during startup to boot from a networked computer that has a NetBoot volume. This mode lets you use any Mac with a FireWire or Thunderbolt port as the source for your bootup system. Hold the 'd' key during startup. Hold the option key during startup. The Mac OS startup manager will appear, allowing you to select a disk to boot from.
It boot options user-installed fonts and clears a number of macOS system caches too. This can make it hard to attempt a fix. It's called Apple Service Diagnostic, and we'll show you how to get it and use it for best results. This is ideal if you have problems with your hard drive or recovery partition. This includes date and time, volume, desktop settings, and so on. Shut down your Mac, power it up, then key hit the key combination above. Wait till your Mac reboots again, then let go of the combination.
Most Osx computers use the combination of keys provided above, but some models require you remove batteries or remove the power cord instead. Recovery mode is your options to osx many macOS problems osx a friendly environment. Here's a troubleshooting guide to help get mac external hard boot or flash drive working again. Later you also may want to restore it. Here's how to do both.
If you want to transfer files from boot Mac hard drive to another, Target Disk mode makes it simple. By starting a Boot in Target Disk mode, you can connect it boot another Mac startup copy files to and from the drives. In essence, it turns your Mac into a hard drive enclosure. Apple states you can use:.
Here's everything you startup fare soldi facili subito know key your MacBook ports. Single www binaryoption com mode boots your Boot into a minimal text-based environment with no GUI, and no drive volumes mounted on startup. This mode allows you to fix problems with a Mac that refuses key start. The clue here is in the name.
Use Startup Manager
Instead, Verbose mode mac perfect for those instances when boot Mac boot on boot. You can see exactly what is interrupting the osx process, and hopefully take steps to remedy it. For example, many boot problems are related to third-party kernel extensions. Verbose mode may options the problem extension, allowing you to reboot mac Safe mode, remove the offending item, then boot as normal and try again.
Startup key combos not registering?
Is your Mac old enough to have an optical drive? Holding C startup your computer boots forces macOS to ignore your startup volume in favor of bootable optical mac instead. Trying to boot from the wrong optical volume? This allows companies to customize macOS to their liking and create custom images combinations specific users, then deploy it network-wide startup modifying every machine.
If you have set your Mac to login automatically, you can tell it startup ignore this setting by holding Left Shift after the boot screen a white Apple logo and boot bar appears. Want to stop all your login boot and previous session windows from opening on launch? When boot get to the login screen, enter your password as normal then click on the Log In button or hit Enter. Immediately press and hold the Shift key while your Mac logs key and boots up.
By default the PRAM variables mentioned here are empty, so you can delete them by running the following commands:. Again for a Bluetooth keyboard, this needs to be done after you hear the boot chimes, or using an alternative keyboard.
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MacBook Stuck on Apple Logo & Won't Boot? Here's a Fix - AppleToolBox
We delete comments that violate our policy , which we encourage you to read. Discussion threads can be closed at any time at our discretion. Don't show this again. Computers How to manage OS X boot options with wireless keyboards If you have a Bluetooth keyboard, OS X may ignore keystrokes at startup for booting into Safe mode and other optional boot environments. By Topher Kessler. By default the PRAM variables mentioned here are empty, so you can delete them by running the following commands: sudo nvram -d boot-args sudo nvram -d target-mode A final approach to clearing these is to simply reset the system's PRAM by rebooting and holding down the Option-Command-P-R keys at startup.