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Questions tagged [startup]

Usually referring to the startup process of a device or computer from an initial "cold" state rather than sleep or hibernation.

The startup disk is a general term to define the disk a computer is set to boot to. On OS X, you can go to System Preferences > Startup Disk and select the startup disk. EFI Boot options also define the startup disk.

2471 questions
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How do I get into boot options with a non-mac keyboard?

I boot my mac mini, hold down alt on my non-mac keyboard, but it does not go to boot options. How do I get to boot options with a non-mac keyboard then?
trusktr
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Renaming the startup disks shown during boot

I'm dual booting OS X (Lion) and Arch Linux, and when I hold down "option" during the boot process, I am presented with both of my startup disk options (i.e., OS X and Linux); however, they are named "IluvatarHD" and "Windows". Does anybody know of…
sinclairjesse
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How do I set my mac to ask what disc I want to boot from without having to hold alt?

I can switch between OSX, Windows and a network drive, but I cannot seem to find this option anywhere.
danixd
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Disable boot from CD/DVD

Is there a way to disable the boot from CD/DVD? I don't want to disable it permanently, just when it automatically checks on boot for the presence of a CD/DVD.
entropid
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Mac starts up as administrator

I just got a new Mac Air for my wife. Every time she starts it up (after installing software, crashes, whatever), it starts up logged in as administrator. This confuses my wife no end (where did all my stuff go?) How can I make it just go to the…
Kevin Lawrence
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Turning off Apple hardware checks on startup

Since I stay on top of possible hardware errors using utilities, I don't want to allow my Mac to boot up and go through the checks each time. How do I skip over this process each time the computer boots by using Terminal commands, and then how do I…
Jan PhD
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How can I try to boot a completely stuck Macbook Pro?

I have a retina MBP that according to my mum was working last time she put it under charge (with 15% left). However, as of now, I get no reaction at all after pressing the boot key. The screen stays off and I hear no noise. The computer has been…
cedivad
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MacBook Pro - very long boot time

Sometimes my MacBook Pro with BigSur 11.6 (20G165) takes a very long time to boot. I did a reinstall of MacOS, and this helped for a while. Today I cleaned up my disk (from 20Gb free space to ~150Gb), and this helps too. From my point of view, 20gb…
Artur Eshenbrener
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How to access ASL (Apple System Log) from macOS Recovery?

I have trouble booting the MacOS system. It's in constant loop. I don't know how can I access the logs from MacOS Recovery so I can troubleshoot it. Any suggestion? Can I do SSH to the system?
Ana Kunovic
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startup items folder

MAC PRO 1,1 it says: Insecure Startup items folder detected .... Items in startupitems folder have not been started because the folder does not have the proper security settings my question:I checked in About this mac, then more info, then under…
Liliana
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Shortcut to boot into different startup disk

I often boot into an external startup disk. In order to do this, I need to access the Startup Manager by holding alt/option while rebooting and then selecting the disk I want to boot up into. Since I do this so often, I wanted a more streamlined…
Oion Akif
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What would happen if I changed my startup disk to a flash drive, then tried to turn on the computer without said flash drive plugged in?

I'm experimenting with live USBs, and I'm curious what would happen. I mean setting this through System Preferences, not the Boot Manager.
atirit
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Computer starts up to gray screen, in recoevery mode getting "Open Error 5: Input/Output error on System/CoreServcices/ManagedClient.app/*

Computer starts up to gray screen, in recoevery mode getting "Open Error 5: Input/Output error on System/CoreServcices/ManagedClient.app/* My computer turned to sludge, and I hit the power button and shut it down. On startup, we got to login screen,…
ovatsug25
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Trying to install Ubuntu on a Macbook with a new hard drive and no OSX

The hard drive of my Macbook failed recently. After installing a new hard drive I would like to use Ubuntu as the operating system, not Mac OS x. I burned a Ubuntu .iso to a disc and when I power up and insert the disc into the slot, I still get the…
Jacob
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Boot time on Mountain Lion

I have my MacPro Quad and upgraded to Mountain Lion. I have cloned the system hard disk to bootable external HD. I have tried it and works fine. Now when I have put the external HD in the BAY I to use it as my main HD the booting time is very…
Michel
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