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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Why do some Login Items insist on displaying at startup, despite being set to “Hide”?

Under System Preferences > Users & Groups > Login Items, I have a number of applications that are set to launch on system startup. Some of these, despite being marked to "Hide" on startup, insist ...
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490 views

I can't go back to macOS after successfully installing Win 10 from Boot Camp Assistant

I have a iMac running macOS High Sierra. I ran Boot Camp Assistant on it and was able to switch to Win 10, successfully, without any problem. I downloaded the ISO file for Win 10, and used the USB ...
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25 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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sudo trimforce disable not working

Not so long ago, my early 2013 MacBookPro used to boot in a sweet 13s. Since I updated to High Sierra, this has turned into an ugly 58s. I read here and there that the startup slownesses in high ...
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187 views

Why does fstab sometimes not work?

I have several boot drives in my Mac Pro, each with different operating systems. Right now, I have Sierra, Yosemite, and Windows 10. I use vifs to edit the fstab file, to prevent other volumes from ...
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2k views

macOS Sierra won't install and complains on the disk

After downloading and running the installer, I met with the problem when the installer is asking "Select the disk where you want to install macOS". My default OS X disk which runs El Capitan normally ...
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535 views

How to prevent an automatic network share connection at startup?

Problem Synopsis: I have a WiFi router that can connect to a USB storage device and then allow access to that device over WiFi. I had once connected my Mac (OS X Lion 10.7.4) to such a storage device ...
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39 views

Download failed in recovery mode, stuck with no OS on my Mac

Recently after upgrading to Catalina, my MacBook Pro has become really slow, so I thought it might be the system’s problem, so I decided to reinstall the original system that comes with the Mac (El ...
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78 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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1k 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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228 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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Folder/Finder Startup Items: How not to open window after logon?

I'm using El Capitan at the moment, but I've had this "problem" for a long time - it's more an inconvenience, really. I have a number of network volumes in my Startup Items because I want them to be ...
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192 views

Run Script As A Service After Startup

Recently I am trying to figure out how to run a dotnet service after my MacOS startup. On Windows, I can install the NSSM to run the script as a service. This script will be triggered whenever my ...
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299 views

Why is macOS Recovery in Japanese, when my language is set on english?

My Macbook Pro(early 2015) functioned in english until I started up macOS Recovery to erase the startup disc with macOS Utilities. It was originally bought used in Japan. I would like the entire ...
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1k views

Stuck in 10.6.8 to 10.11 upgrade installation, no recovery disk available

In attempting to upgrade from OS X 10.6.8 to El Capitan I've run into a bit of stalemate. The installation is unable to complete(indeed, it seems to barely commence) due to issues "verifying or ...
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167 views

Temporarily set non-iCloud password; now both temporary and iCloud passwords required at startup

My Yosemite MacBook Pro is normally set to use my iCloud password. Taking it in for service to the Apple store, they suggested I create a temporary password, which I did by going to Users & Groups ...
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182 views

Shutdown warning every time I log on

Whenever I log on, I get the "Your computer crashed previously, do you want to restart the running programs?" error; regardless of whether my machine crashed or not. Whether I press OK or Cancel, it ...
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302 views

Startup Screen Flashes Pink

During boot, I see the gray screen with the Apple logo, then the entire screen flashes pink for a couple seconds before boot continues normally. Is this a problem/symptom of something? MacBook Pro ...
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881 views

Locked Hard Drive

For some reason a recent reboot resulted in a startup screen with a circle with a slash icon instead of the regular Apple icon. What I tried: Using internet Recovery I used disk utility to fix ...
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345 views

Persisten change of device ownership

I've got several partitions on my HDD, one of which I intend to use as a shared home partition between a native Linux installation (yet to come) and a one in a VirtualBox which I recently installed. I ...
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182 views

How can I prevent applications from re-launching at startup?

Using Mountain Lion (10.8.2) on a MBP (13" mid-2009) I have times when applications launch during startup even though they have been exited before the last shutdown. This seems to happen on the order ...
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442 views

Launch agents not lauching at system startup

I have several plist files in the folder ~/Library/LaunchAgents. They all have the same permissions but two of them (dotjs and pow) are not launching at login, even if they have the key RunAtLoad set ...
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97 views

Recovery volume does not show up in Startup Manager

While upgrading a MacBook Pro from OS X 10.11.6 El Capitan to macOS 10.13 High Sierra in a step-by-step procedure, I created a clone of the Recovery HD volume. Unfortunately, this newly created clone ...
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75 views

Keyboard / touchpad not working on startup

I dual boot MacOS and Ubuntu on a Macbook Pro and used to be able to switch between the two by holding the Option button on startup. Recently this has stopped working; the keyboard and touchpad are ...
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104 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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18 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 ...
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189 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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382 views

Unreliable Thunderbolt 2 startup disk

I have attempted to improve the performance of a Mid 2011 27" iMac by booting from an external Thunderbolt SSD, specifically a Transcend 256 GB StoreJet 500. It may or may not be relevant that this ...
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3k views

Sierra stuck on “Setting Up Account” for hours

Last to last night, I was upgrading my Macbook Air 13" from Sierra to High Sierra. During the installation (when the software was upgrading), the Mac was taking a lot of time, so I closed the flap and ...
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27 views

Bootable USBs no longer appear at startup

I recently had my Macbook (early 2015) reset after a bootloader mess up I won't get into. When I got it back I found that it would no longer show bootable USBs at startup in the boot menu even though ...
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526 views

What triggers “Your startup disk is almost full.” message?

You've probably seen this message (maybe in a bit newer GUI but still the same). I wonder if anyone know when it is triggered?
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51 views

How do I locate and disable background PGP and Kapersky start up programs?

I had to uninstall Kapersky by deleting the application but the item still shows up on my task bar when I restart. Also, I have PGP installed on my mac, but when I telnet to port 25 of another server,...
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462 views

MacBook Pro hangs up at the grey Apple login screen

After it would hang up, the keyboard lights would stay lit indefinitely. I've tried resetting the SMC and NVRAM but they didn't work. I did a verbose startup and this was the screenshot before my ...
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112 views

MacAIR failing to startup from disk

Running 10.9.most recent. As of this evening my Mac will not start up normally from the internal drive. The Apple logo appears and the spinning disc as well, but nothing happens thereafter. I have ...
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399 views

Yosemite taking too long to show login screen

When I turn on my iMac ( 16 GB, Intel Processor 3.1 Ghz, Fusion drive year 2013) now it takes too long for the log in screen to appear. Before that I see a gray screen with a progress bar at the ...
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214 views

Why Can't I Make a Macally G-S350SUAB2 Boot Family's iMac?

I can't seem to be able to get the Macally G-S350SUAB2 enclosure that my dad loaned me for development use to boot a copy of OS X 10.9.4 Mavericks which I installed using my dad's early- or late-2011 ...
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2k views

Deleted Mac OS X boot image but can still access files via Boot Camp Windows

Ok, I know I completely messed up here and it's all my fault, but moving past that -- can anyone help me fix this situation? I used Boot Camp to install Windows 7 on my MacBook the other day. Then, ...
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2k views

My MBP (13 inch, MID 2010) will not start up

I have used the internet for the past 2 weeks in search of something that will help me troubleshoot/repair my MBP. It wont boot in Safe Mode using the SHIFT key. Following is everything I have tried ...
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511 views

SSD only boots from USB adapter

I would like to know if anyone has an idea or suggestion to what's happening on my SSD. I was using Lion on my Vertex 3 SSD 240GB - MacBook Pro (early 2011 model) and everything was running well ...
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1answer
55 views

What causes a full restart vs a resume when battery dies?

There are many times where if my macbook pro dies, it will simply resume where it left off once i plug in the power and turn it on. Other times, it will do a complete restarting and I will loose all ...
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1answer
40 views

I deleted Macintosh HD - Data and now the computer won't boot even in Recovery Mode

Okay all, I think I messed up really big time. Was so excited and delighted today to see my brand spanking new MacBook Air arrive (running Catalina). Everything was wokring great; I started Migration ...
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26 views

Why do Microsoft Word and Microsoft Excel consistently open at login, even though I never asked them to and they are not in my 'Startup Items'

Starting around 2018, Microsoft Word and Microsoft Excel consistently launch for me at login, even though I never asked them to and they are not in my 'Startup Items' I noticed this first around Mac ...
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19 views

Macbook AIr Running OS X Catalina - suddenly started installing / boot loop?

My wife got a new Macbook Air (rose gold) a few months ago and when she opened it up this morning and tried to log in, the computer suddenly went black, to apple logo, and then the progress bar. Then ...
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24 views

Macbook pro won’t start after what seems to be an overheat emergency shutdown

My mac is a MBP Retina mid-2012, running Catalina. I don’t think it matters but the power cord is damaged. I have another one, a brand new genuine power adapter. I was using the old one (which was ...
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19 views

Mounting External Drive in Single User Mode When Internal Drive Unmountable

2010 iMac running OS X 10.12.6 is failing to start up (progress bar gets to about 75% and then it powers down). I have exhausted all of the following to try to at least salvage some files: Go to ...
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8 views

Can someone help with signal 8 and I/0 errors?

Older IMac, 10.6, accidentally copied giant drive folder to Desktop instead of the external hard drive, in attempt to make space for startup disk full msg. It crashed it. Then from startup white ...
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18 views

Change order of services during startup or login

I've read of ways to change startup services' order of execution for Ubuntu. I'm hoping it's possible and simple to do it in macOS as well. I was thinking something like this. My objective is to ...
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18 views

Macbook crashes during start up

My 13" macbook pro mid 2012 won't get through halfway the loading bar. After pressing the power button, the apple logo appear , i hear the chime, it would load halfway then just shuts off. I have ...
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21 views

It takes ~ 10 attempts to start my mid 2012 (first with retina) MBP 15

It was 2019 October when I used the computer on the rain. For a few days I had some troubles with touchpad, then it completely recovered itself, then the entire machine died. Since then I was able to ...
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29 views

How to run a sudo command on startup - launch daemon help

I have a sound problem on my 2010 Mac mini. I found a solution that uses a sudo command in the Terminal app. But this method only works one time, so when the computer turns off and then back on, you ...