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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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1 vote
1 answer
95 views

Undentified shell script "open" added to open at login

Logged in into my laptop this morning, to see that a shell script "open" has been added to open at login. Its from an unidentified developer, created a month back, but just got added to ...
1 vote
1 answer
615 views

Mac not booting after moving SSD and HDD to another Mac

I had a mid-2011, 2.5GHz, AMD graphics, Mac Mini with an SSD and HDD using OWC’s dual drive setup. The SSD drive had the OS (10.11 I think) and the HDD had my home folder and an old version of OS X (...
5 votes
3 answers
8k views

What is Firmware.scap in the /EFI partition?

I'm looking at the /EFI partition, and it has 2 .scap file. /EFI/APPLE/FIRMWARE/MBP112_0138_B18_LOCKED.scap and /EFI/APPLE/EXTENSIONS/Firmware.scap They both have 2 files with GUID's that are ...
3 votes
1 answer
1k views

Always start the Mac to Startup Manager without having to press and hold the Option key

I frequently switch between mac OS and Bootcamp. So I was wondering if there is an option to not have a preferred Startup Disk and always start to the Startup Manager, like you would get when pressing ...
1 vote
0 answers
18 views

iMac (Retina 5K, 27-inch, Late 2015) not booting from USB Catalina getting prohibition symbol

Every time it's powered on (with no keys pressed) it shows a prohibition symbol. Using Command+R for reset doesn't work(same prohibition symbol). Pressing Option mid-chime brings up the disk menu(its ...
2 votes
1 answer
1k views

Internet Recovery mode stuck at 24:00 estimated time

I am using an iMac (21.5-inch, Late 2011) with High Sierra 10.13.6. I have installed Windows 7 SP1 via Boot Camp and a bootable disk. It was working fine. So the other day, I decided to create a new ...
2 votes
1 answer
289 views

How to disable startup chime on MacBook Pro 5,2 (2009)

Following instructions for a different problem, I reset my MacBook's NVRAM with the result that now the previously disabled loud startup chime is back when powering on the system. I followed the ...
0 votes
1 answer
600 views

External boot SSD crashes Mac

Over the past few months I installed macOS for 4 people on an external SSD. This week I decided to also upgrade my "Fusion Drive" to an external SSD, because it just sucks. For me I chose a ...
1 vote
1 answer
288 views

Big Sur: Booting Win10 from SSD and Disable Internal Drive

Computer: MBP 15 Late 2013. I have a BIOS booting Windows 10 installed on an external SSD. Windows occupies two partition on this SSD. The first is the System partition and the second is a combined ...
0 votes
1 answer
114 views

Can I delete macOS Partition from Boot Camp and then load a new macOS?

On my Mac, I can only access Boot Camp and not macOS. It keeps on restarting, when I’m trying to access macOS. I can’t also load Recovery, Internet Recovery and it fails to boot from from USB. It ...
1 vote
0 answers
39 views

Mistakenly launched, but did't carry out an OS upgrade (Monterey>Sonoma). How do I get rid of the macOS installer boot menu item?

I'm running Monterey (with OCLP) on a Late 2012 Mac mini "Core i7" (Intel Ivy Bridge). The model identifier is Macmini6,2. The macOS upgrade got mistakenly launched from macOS System ...
12 votes
4 answers
18k views

iMac restarts instead of shutting down

I have a problem with my iMac restarting when it should be shutting down. This doesn't happen all the time but appears to happen more frequently when I've had the computer on for a few hours. What ...
0 votes
0 answers
20 views

3rd party keyboard not recognized at startup

What must I do to enable recognition of my logi keyboard at startup. macOS fails to recognize logi "MX MCHNCL M" * keyboard at startup. I must enter login credentials via Mac Magic Keyboard. ...
3 votes
1 answer
1k views

How to install Windows 7 (and beyond) onto a mid-2010 Mac mini with Mac OS X Snow Leopard without Boot Camp or an optical (DVD) drive

This problem is very similar to How to install Windows 10 into a 2011 iMac without using the Boot Camp Assistant, an optical (DVD) drive or third party tools? - Ask Different, with the following ...
5 votes
3 answers
52k views

How to convert a drive from the GPT format to the hybrid GPT/MBR format when using High Sierra (macOS 10.13.2)

Previous versons of OS X and macOS automatically converted pure GPT drives to hybrid GPT/MBR format when the 2nd, 3rd, and/or 4th GPT partitions were formatted "MS DOS (FAT)" by the Disk Utility ...
1 vote
1 answer
760 views

Viewing Logs on Startup volume that freezes

I have a MacBook Pro (Computer A) which freezes / restarts during startup. To investigate the problem, I purchased a brand new internal disk and did a basic installation (10.13 - the latest this model ...
3 votes
2 answers
2k views

Lost my APFS partition after using EaseUS partition manager on Bootcamp

I used macOS mojave(APFS partition) and Windows10(Bootcamp). And I tried to expand Bootcamp partition with moving Windows OEM partition by EaseUS partition master in windows. After this, I can’t find ...
1 vote
2 answers
162 views

Macbook Air Can Not Start After Trying to Remove Ubuntu

I was trying to remove Ubuntu (dual boot) from my 2017 Macbook Air. Now my computer can not start successfully in either macOS or Linux. When I restart it, it now opens refind, then gnu rnu in both ...
7 votes
2 answers
14k views

Installing Windows 11 on Mid-2011 iMac (full install, not Boot Camp) but it BSODs after the Win 11 logo disappears

I kept getting a BSOD in OOBE when I was setting up Win 11 (error: SYSTEM_SERVICE_EXCEPTION). I've seen people say that it's because of Windows 11 installing Intel display drivers, instead of AMD ones....
1 vote
1 answer
2k views

iMac 27" 2017 black screen of death

My iMac 2017 27" died mid activity. The screen went black, the fan went nuts like a turbo jet. Then I forced it to shut down. On re booting it remains black, the fan progressively goes insane but ...
1 vote
2 answers
1k views

Trying to install Mac OS X Snow Leopard, stuck on the Apple logo

This is a weird goofy story or something. I'm trying to install Snow Leopard so I can upgrade it to Mavericks, to anyone asking; it's for nostalgia as I used to use it all the time. But this crappy ...
2 votes
3 answers
529 views

Starting `pf` Firewall at System Startup

I have a particular machine that I keep buttoned down very tight. Only a few specific ports/protocols are allowed. I have a pretty basic set of rules that work very well. While working on a different ...
1 vote
1 answer
207 views

Bootcamp - Windows 10 - No bootable device -- insert boot disk and press any key

I have got a problem with booting into Windows 10 after changing Superdrive to SSD - "No bootable device -- insert boot disk and press any key". It works if i leave only old hard drive, ...
1 vote
1 answer
1k views

Kali boot USB drive not showing up in boot menu

I am trying to boot Kali Linux from my late 2020 M1 MacBook Air with macOS Monterey. I tried to boot an x64 Kali image on an M1 system, but encountered the following problem. I used both Balena Etcher ...
2 votes
1 answer
77 views

iMac displaying abnormal picture shortly after powering on

iMac 27" - Late 2012 Model# A1419 Customer said they had the motherboard previously swapped out at another repair shop. Displays abnormal picture with lines running vertically and horizontally. ...
2 votes
1 answer
60 views

macOS booting into Windows Recovery mode after deleting Bootcamp Windows partition

My Mac still boots into Windows recovery mode, automatically. I can still boot into macOS and everything works, however I want to remove this partition. When I first start my Mac it also shows up with ...
1 vote
1 answer
598 views

Windows 7 on MacBook Pro installed successfully but restarts with a white screen

I have a MacBook Pro Mid-2009. Unfortunately, I erased my internal drive which led me to OS X Utilities only. When I clicked on reinstall OS X, it asked me to sign into my Apple ID. But, it ended with ...
0 votes
0 answers
20 views

Macbook Pro (late 2016) reboots during boot but Ubuntu is fine, need help troubleshooting to get to boot into MacOS

We're trying to identify why a macbook won't boot into any MacOS or Mac related recovery mechanism and what we can do to correct this. The answer we've gotten so far is that it's the logic board, but ...
1 vote
1 answer
316 views

How can I clone my internal BOOTCAMP to a bootable USB?

I have problems with a windows game on Bootcamp that used to work fine, and now doesn't. So I tried making a bootable bootcamp on a USB. Bootcamp runs on the USB but I would say it doesn't run as well ...
3 votes
2 answers
349 views

Can an eMac boot from a USB optical drive connected via a FireWire adapter?

I've got an eMac that's mostly working (running Tiger, plus a selection of other nice software), but has a broken optical drive. I have a spare USB optical drive lying around, and it works for most ...
2 votes
1 answer
1k views

MacBook pro is stuck booting indefinitely after updating to Monterey

Setup 2017 MacBook Pro 13" Model A1706 EMC 3163 No T2 Chip i5-7267UCPU @ 3.10GHz Problem After updating to Monterey, the mac was stuck on the black loading screen with the apple icon on it. I ...
0 votes
1 answer
381 views

How to change a system startup daemon into a user launch agent

I'm using The Pritunl VPN software for one of my Mac's user accounts. The software installer creates a system LaunchDaemon found under /Library/LaunchDaemons called com.pritunl.service.plist ...
3 votes
1 answer
122 views

I'm unable to reinstall OS X

I have an iMac11,1 without an OS on it (Recovery mode is still on it) and I therefore want to reinstall OS X. First thing I've tried was doing it using the recovery mode. I've reformatted the "...
1 vote
1 answer
237 views

How to recover files from a Macbook that won't boot which has an SSD

My Macbook pro 2011 won't boot completely anymore (can't open it). In the recovery mode, I can see my disk (SSD) but when I want to download the last IOS on my mac, it seems my computer can't find my ...
3 votes
1 answer
8k views

How to install a fresh macOS on an iMac with a new hard disk?

I have an old iMac with a brand new disk (completely empty). I do not have the old disk, I just have the new one. Of course, now it can't boot, and the flashing folder with the question mark appears. ...
2 votes
2 answers
699 views

Why will my MacBook Pro (15" Late 2016) not power on after disabling 'Boot on Lid Open'?

I wanted to disable the boot/power on by opening the lid. To do so, I entered the below command in the terminal sudo nvram AutoBoot=%03 Post that, I shut down the laptop by going to the Top Left ...
1 vote
1 answer
65 views

macOS BigSur keep booting from external backup disk (made with CCC)

My Mac is on BigSur and I am using Carbon Copy Cloner to create a one on one disk which is bootable also. I have this setup running for years now and never noticed any problems – also on BigSur it ...
1 vote
0 answers
49 views

Is there a way to delay the launch of the Finder app when logging in in macOS?

In recent macOS releases (Ventura/Sonoma), I have had this problem where, when I reboot and log in, the Finder launches before macOS has finished mounting my external (Thunderbolt) volumes. I don't ...
1 vote
1 answer
1k views

No bootable disk when booting Windows after installing Linux on Mac

That must the weirdest title you've read in a long time. I have a MacBook Pro Mid 2012, I installed Windows 7 with Bootcamp and all was working fine. Last night I installed Kali Linux with a bootable ...
1 vote
0 answers
23 views

Change EFI label for external volume

I am booting a retrogaming system (Recalbox, linux-based) on my Macbook Pro 2009 (Intel, El Capitan) from an SD card (FAT format). The SD card is currently displayed as "EFI boot" upon boot ...
2 votes
1 answer
827 views

What is the point of FileVault on a Mac with the T2 security chip if the chip is already responsible for encrypting the drive?

Does having a Mac with a T2 chip automatically prevent someone from booting into Recovery mode or Target Disk Mode or from accessing disk utility or a terminal without having a user's password ...
5 votes
1 answer
18k 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 ...
14 votes
3 answers
95k views

Boot camp install of Windows issue, no bootable devices

So I have a 2010 15" macbook pro (MBP6,1) and I replaced the optical drive with a hard disk. I wanted to install windows 7 on the hard disk with boot camp with a USB and ISO image. After searching I ...
0 votes
0 answers
48 views

My MacBook A1502 boots slows at USB CR has no interface nub after 1->0 transition

My system $ sw_vers ProductName: macOS ProductVersion: 12.7.3 BuildVersion: 21H1015 My MacBook: A1502 Customizations: I replaced original Apple SSD with Samsung 2TB M.2 PCIe Gen4 NVMe 980 PRO ...
2 votes
2 answers
2k views

Used Bootcamp to get Windows 10 on MacBook Pro (Mid-2012, Catalina) says "no bootable device - insert boot disk and press any key"

My late 2012 MacBook Pro is running Catalina. I used the Bootcamp Assistant to format a blank flash drive, copy my Windows 10 ISO file (downloaded from the provided Bootcamp assistant link) onto the ...
1 vote
1 answer
580 views

MacBook Pro 2018: macOS reinstall to Mac without existing macOS, admin account & startup disk

I'm trying to reinstall macOS to a seriously messed up MacBook Pro 2018. Apparently, problems started initially when the Big Sur update failed. The computer's disk has since been erased and all ...
1 vote
1 answer
96 views

iMac boot stuck after incomplete uninstall of Kaspersky Internet Security

Even though I perfectly knew that it wasn’t the right method to uninstall Kaspersky Internet Security for Mac, I dragged and dropped the app icon on the trash bin. Later, I switched it off. The day ...
1 vote
2 answers
396 views

Can't boot into or mount Mojave APFS partition after repartitioning for Linux

MacBook Pro 2015, 256GB SSD disk I have created a second partition on my disk to try Linux. Everything was fine, but at some point, macOS disappeared from the boot menu. After some googling and trying ...
9 votes
2 answers
17k views

How to disable M1 Mac auto-boot on lid open?

There have been answers that describe how this can be prevented for Intel Macs using an NVRAM setting, but this AutoBoot setting has no effect on an M1 Mac. There is a similar auto-boot setting in the ...
2 votes
2 answers
1k views

Does resetting NVRAM reset EFI Boot Order?

I've had a Macbook Pro for a year or so now and have experimented with quite a few Linux distributions which have added and changed things in the EFI Boot Order. I am looking to clean things up. The ...

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