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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.

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19 views

Merging separate APFS volumes into startup disk

A 50 GB APFS volume was designated as the startup disk on my Mac running on macOS Mojave and there is 450 GB of unused space in another disk2. diskutil list output: I need to merge that 450GB of ...
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1answer
42 views

Stuck during clean install on a new SSD on a late 2009 iMac

I hope you might be able to help me out since I am completely stuck in my attempt to perform a clean install of High Sierra on a late 2009 iMac (model number A1311 – does not have Internet recovery) ...
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1answer
18 views

iMovie crashes on first startup

I have just downloaded iMovie on my new Mac (I had it on the old one) and it is not able to open. I crashes as soon as I click. I have also tried to restart, to login with the guest account and to ...
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1answer
38 views

MacBook 2,1 OS X 10.6.8 - Boot screen loop

My MacBook2,1 is stuck in a loop on boot screen. It flashes from ?Folder, to an also flashing net recovery globe, and every so often an Apple logo for a few seconds, but never actually boots into the ...
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1answer
53 views

How to recover Mac Startup Security Utility?

To boot up with external disk, I launched into a startup security utility. The standard startup security utility shows the menus like above. But my startup security utility only shows the Firmware ...
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1answer
84 views

Can you change an iPhone startup screen background from white to black?

It seems light-coloured iPhones have a white startup background colour with black Apple logo. As you can’t control the brightness on startup - this screen is offensively bright at night - searing your ...
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1answer
177 views

macOS Mojave on iMac won't boot into safe mode

My iMac (late 2015, 8/1TBSSD) has run happily for more than a year on High Sierra, and I just now upgraded the OS to Mojave. Now, the machine won't boot into safe mode or into Recovery. When I hold ...
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32 views

Profiling system start-up

How can one find start-up bottlenecks on macOS? On Linux I normally do systemd-analyze blame, which shows the initialization times of all services - is there a launchd counterpart?
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89 views

mac OS Installer lingers after failed Mojave 10.14.3 to 10.14.4 update

I've worked this problem w Apple Mac L2 across two phone calls lasting a total of 5 hours and escalation to L3 without a possible resolution, hence opening up my search to the world. My ask: What ...
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0answers
23 views

MacBook Pro A1297 will not startup

I have tried all sorts of things. I have reorted to single user mode but dont know enough to fix anything. I have tried fsck and it says things are fine but i continue to have this error among others ...
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1answer
29 views

How do I get Boot Camp back as default startup volume?

I used to have Boot Camp as my default startup volume. I have updated to 10.14.4 recently and since then Boot Camp is no longer shown under start volumes. My MacBook Pro boots to macOS now. I can ...
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29 views

how to stop krisp.ai app from starting on boot

The Krisp app (a noise filter for skype calls) starts automatically on boot, and even if I remove it from the list of startup items, I keep finding it there. This is annoying and intrusive. I like ...
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1answer
34 views

Boot to Single User Mode with Startup Manager

I need enter safe mode on my Mac after selecting select macOS with Startup Manager (option while booting). Pressing ⌘ + S has no effect. The Mac currently uses Bootcamp for dual boot into Windows or ...
2
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2answers
68 views

What are the various auto launch paths mean in OSX?

I'm trying to track down sneaky apps that launch upon reboot. They are not in System Preferences > Users and Groups > Login items and the in-app preferences for auto starting is disabled too for ...
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0answers
22 views

How can I set Bluetooth to disable/be disabled at login? [duplicate]

I’d like to have Bluetooth disabled when I login to my user account after restarting/logging out and then back in. Any solutions? I’m on macOS Sierra with blueutil installed (brew install blueutil)
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1answer
123 views

How do I prevent nginx from auto-loading using homebrew?

I'm using Mac High Sierra. I install nginx with homebrw a while back, but I can't remember how to permanently stop it from running when my computer boots. I have this file localhost:mydir davea$ ls ...
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1answer
17 views

Failure To Boot/Verify Disk

My (mid 2011) MacBook Air’s been working perfectly fine, but today decided to 1) crash 2) throw me the “startup disk not found” error. I know it’s an old computer, but still I run disk verification ...
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1answer
2k views

disk1s1 device is write locked

I can not boot my iMac (20" Mid 2007) running OS X 10.7.5 When I am in Single User Mode I can use fsck and when trying ti sbin/mount -uw / it says device is write locked. I am really stuck. I wanted ...
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1answer
169 views

MacBook Pro 2011 with fuzzy screen won’t boot

I can’t boot into Safe Mode. Also tried recovery mode, but it won’t load. Tried internet recovery mode - no good. ☹️ I'm unsure if this is related to the fuzzy screen (see image above). I've also ...
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2answers
240 views

“Sign In to iMessage” popup randomly

I get a random popup from an unknown program asking for my password. What is this? how do I stop it. It doesn't show in the doc. Macs don't even have iMessage so this makes zero sense. I don't have an ...
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1answer
157 views

MacBook startup sound loop

I have a mid 2012 MacBook Air and it is looping on startup sound, stuck on white screen. I have tried: formatting the SSD and installing the latest version of macOS Mojave resetting NVRAM and SMC ...
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2answers
35 views

MacBook booting to black screen

I am currently unable to boot my Late 2013 MacBook Pro. When I attempt to boot, the backlight comes on, but there is no image on the screen. When I try to boot into Safe Mode (by holding Shift), ...
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1answer
120 views

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 ...
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1answer
37 views

macOS counterpart of Windows startup batch file [duplicate]

My friend pranked me by creating a batch file which opens a YouTube video and added it to the startup folder, so that the batch file launches every time I log in. This is what he wrote in the batch ...
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0answers
629 views

Mid 2015 retina MacBook Pro: Startup slow after SSD Upgrade

I've recently upgraded my Mid 2015 retina MacBook Pro's original 500 GB SSD to a 2 TB Samsung EVO 970 NVMe M.2 coupled with a recent model Sintech SSD adaptor. I am running macOS High Sierra 10.13.6. ...
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1answer
458 views

My external boot volume won't startup all my Macs when it should

Because of the mobility of my work I decided to create a boot volume on an external USB-C SSD so that I can run my user environment on a number of Macs (on an iMac Pro (2017) while at work, on a 15" ...
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0answers
16 views

Send an email message via script upon startup, before user login

Is there any way to automatically send an email message (as a notification that my server box has rebooted, usually due to power failure) to myself upon system startup, before user login? I am not ...
2
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1answer
376 views

Spotify automatic startup mystery [duplicate]

Trying to get rid of Spotify's startup at login time I found an interesting behavior: while its plists are not present in any of the known locations such as Library/LaunchAgents and Library/...
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0answers
27 views

Mac startup drive vanished after hard reset

The machine in question is a 2015 model 5K iMac running Mojave. It has a fusion drive that had a partition for OS X and a partition for Bootcamp running Windows 7. I went to restart and it seemed to ...
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1answer
20 views

Can't update boot security on new Macbook Pro

I am trying to boot from an external device and it is asking for an administrator password. The machine is new and didn't have a password so I created an admin password and it still won't allow me to ...
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0answers
175 views

I turned my iMac on, but I only see a grey blinking question mark folder

I bought a 2011 21.5" iMac in a garage sale. I pressed Command + R. Once I'm in the macOS Utility folder, I don't see the Macintosh HD. Now, I went back to macOS Utility and tried to re-install macOS ...
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2answers
400 views

Update to 10.14.1 on Mac Pro 5.1 results in black screen

I tried to update my Mac Pro 5.1 with the delta updater to 10.14.1 from 10.14. I have a Sapphire RX 580 installed. After some minutes I saw he load screen but after that the screen turned black. I ...
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0answers
34 views

MacBook keyboard doesn't respond during startup

I have had this problem for quite some time. my MacBook pro Retina early 2015 takes forever to start up.duribg startup the keyboard seems to be unresponsive to eg.cmd+alt+p+r or any other working key ...
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0answers
22 views

How can I delete all network users on startup or shutdown?

I want to run this script before any student logs into the computers daily. #!/bin/sh mv /Users/admin /admin wait $pid mv /Users/Shared /Shared wait $pid rm -rf /Users/* wait $pid mv /admin /...
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213 views

Change icons order in Startup Disk MacOS Mojave

Yesterday I installed Mojave on my MacBookPro 13'' 2015. I had Sierra before. I have 2 partitions: Macintosh and Bootcamp (Windows). Every time I went to Startup Disk or in Startup Manager (after ...
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1answer
41 views

Every time I turn on macbook pro I get menu for choosing startup disk

Every time when I turn on my macbook pro mid 2014 I have to choose my startup disk to continue with booting. It behaves as if I am holding the option key... However, the right option key doesnt work ...
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1answer
12k views

My Mac repeatedly beeps three times on startup. What does this mean?

When I try to boot my Mac I get nothing but strange beeps. They beep as follows: BEEP BEEP BEEP [3 second pause] BEEP BEEP BEEP [3 second pause] and it continues until I power off. So far, I have: ...
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0answers
175 views

Mac not starting or going into recovery mode

My Mac (mid 2011 21.5" iMac running mac OS High Sierra 10.13.6) suddenly froze while watching a video and restarted. It now keeps on restarting. Soon thereafter, my wireless keyboard stopped working, ...
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1answer
48 views

Recovery mode not loading on MacBook (Late 2008)

For some reason, I'm not able to load recovery mode utilities on my late 2008 MacBook (running Mavericks). I've referenced the technical steps here but none of the startup keyboard sequences appear ...
3
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1answer
36 views

What is normal for startup chime till Apple logo shows?

My late 2015 iMac recently started taking a very long time to go from the startup chime till the Apple logo appears - about 2.5 minutes. Between the chime and the logo, the screen was black. After ...
2
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2answers
568 views

How to start Internet Recovery Mode of El Capitan with multiple OS installed?

Thank you for your time. Here is my problem: A) Goal Start into Mac OS X El Capitan internet recovery mode and temporarily disable System Integrity Protection (SIP) to use (X11 functions of) ...
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0answers
41 views

Editing Startup Manager items

Recently I've restored macOS from Time machine copy. When I boot my Mac using Startup Manager, it shows me 3 options: boot macOS, Windows and Time Machine backup (which I don't need to see anymore). ...
2
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3answers
827 views

Remove Startup Arduino CreateAgent on High Sierra

Recently this application was installed on my Mac. Now it runs every startup. How can I stop it ? Tries to solve: 1) search in Login Item of current user - Not found. 2) Not found in /Library/...
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1answer
3k views

Not able to select a disk to reinstall OS in safe mode

I have iMac A1418 with High Sierra on it. I had to erase entire Macintosh HD disk hoping to reinstall OS on a ‘clean’ drive. Unfortunately I’m not able to accomplish this as when I select “Reinstall ...
2
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2answers
2k views

MacBook Air won't power on

My MacBook Air won't turn on. I plugged in the charger and it says it's charging. When I turn it on, the light instantly turns green for a few seconds, and then it goes to amber. What's going on? I ...
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1answer
24 views

How do you create a bootable drive on an external disk?

I have a MacPro that i want to keep on Mountain Lion, but I'd like to be able to startup off of the latest MacOS. Is there a way to create a bootable drive that uses High Sierra?
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1answer
618 views

How to prevent app from auto starting

I know there are Login Items under Users & Groups and /Library/LaunchAgents and /Library/LaunchDaemons under Library, System/Library and Users/FooUser/Library. And then there's right click on Dock ...
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1answer
58 views

Macbook startup problem. Once started is extremely slow

I have a serious problem with my Macbook pro retina 13" early 2015. Some days ago, after a normal shutdown, the Macbook did not startup anymore. It emitted the short start sound and it went back to ...
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0answers
37 views

Set the mode for next boot from the terminal

I'd like to be able to boot into the recovery mode the next time the machine boots not by using the start up key presses. I'm already logged in in normal user mode - can I set this in the terminal? ...
2
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0answers
32 views

How can I prevent macOS from restoring all applications after a hard reboot? [duplicate]

At least in macOS 10.13, if my iMac reboots due to a kernel panic or when a software update requires a reboot, the system restarts the applications that were running immediately before the shutdown ...