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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492 views

Yosemite Startup Manager After Downgrading to Mavericks

I downgraded from Yosemite Public Beta to Mavericks by: Created bootable Mavericks USB Booted Mac to the Mavericks USB Went into Disk Utility > Selected HD and Erased HD Restored to Mavericks Time ...
2
votes
1answer
96 views

How to make an application to be on top at startup instead of Finder in Yosemite?

On Yosemite I would like to have an application show up as the top running application (it takes over the screen and hides the menu bar). When you set up an application for startup in the user ...
1
vote
1answer
72 views

MacBook Pro 2012 Model A1278 Flashing questionmark file

My Mac started off by giving me the spinning ball of death for an unreasonable amount of time so I caused a force shut down (I know, unwise) and tried to restart it. Came up with the file error. I ...
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1answer
97 views

Startup Disk Full: Core File

The storage on my start up disk is being consumed by some kind of core files labeled as cores:1234 (numerical digits change). I downloaded OmniSweeper, which helped me locate these files and aware ...
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0answers
69 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 ...
2
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0answers
89 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 ...
2
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0answers
97 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 ...
2
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0answers
211 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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0answers
781 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 ...
2
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0answers
204 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 ...
2
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0answers
426 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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0answers
430 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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38 views

OS X: 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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481 views

El Capitan - Macbook won't shut down without force quit and sometimes starts to blank screen

• My mid-2015 Macbook Pro Running 10.11.1 frequently will not shut down without holding the power button. • It also sometimes starts up to a blank screen (with no apps or desktop items showing). • ...
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120 views

“Unable to unmount volume for repair” message about reformatted (and empty) SSD in “Option/ALT startup”

I am trying to reformat a Samsung 512GB Pro with bootable USB, and I have managed to get through the prep for the USB so I'm in no need there. But after the "Option/ALT startup" I click on the USB to ...
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0answers
38 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 ...
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228 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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0answers
24 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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383 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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0answers
128 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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0answers
821 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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0answers
1k 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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0answers
159 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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0answers
426 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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9 views

Early 2011 Macbook Pro shut down during start up

My MBP has OSX (El Capitan... I'm pretty sure) and Windows 10 on it. The OSX shuts down during start up. It will show the apple logo and then a load bar that reaches about half way before the system ...
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25 views

Blinking “forbidden” and “question mark folder” symbol. SATA cable is the problem?

A couple days ago my macbook pro mid 2012 was running perfectly, with a SSD drive that I,ve installed about a hear ago (I also updated my ram up to 8 gb). The day after that I turned on my computer ...
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40 views

“Your startup disk is almost full.” message appears but the available space is ~60G

I have enough available space as shown in the attached image but the message "Your startup disk is almost full." appears when I save files. Also my MacBook Air is slow and buffering when I print a ...
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47 views

Gray screen of death when booting

I know this has been brought up many times before here, and I know there has been many answers and suggestions to this problem, but so far nothing seems to be helping me in my situation, so I thought ...
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0answers
43 views

Startup disk space mysteriously being consumed

Lately, my Mac OS X Yosemite has been having this weird issue where my startup disk keeps getting consumed by an unknown source. Every time I restart my computer, the disk space would come back ...
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0answers
12 views

Start up normally after low battery hibernate (instead of reloading application state)

Sometimes when I start up my macbook pro after it hibernates due to low battery, I want it to just start up normally and forget the previous state that was written to disk. The only way I've figured ...
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0answers
49 views

Cannot change startup disk - Yosemite

I've got a clean install of Yosemite on a brand new hard drive. All good, up and running (got to boot to it manually). As the title says, I can't get the system to boot from this hard drive. Error ...
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92 views

Yosemite Single User Mode

Does "Single User Mode" still work, post v10.10.x ? I tried the following instructions, without success: OS X Yosemite: Start up in single-user mode To troubleshoot your computer’s startup ...
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13 views

Under what circumstances would the startup chime enable itself?

After doing some reformatting/reinstalling a couple a weeks ago, the startup chime on my Macbook has never gone off when I turn it on for the past few weeks. However, when I tuned on my Macbook Pro ...
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0answers
76 views

My iMac says that my startup disk is full but I barely have anything on my Mac

My iMac says that my startup disk is full but I barely have anything on my mac. I deleted everything I don't need but when I check my storage it says 61.63GB is filled with "other". When scanned my ...
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0answers
131 views

How to do a clean OS X 10.11 reinstall when shift key stuck

My left shift key is stuck down (wiring-wise, not just mechanically stuck) - fine, I changed my password to be all caps and once I'm logged in I use Karabiner and Seil to disable the key, and because ...
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0answers
19 views

Set a startup screen language different to the original one

When I bought my MBA I set the system language to "Spanish". My problem is that I need the english keyboard configuration in the startup screen to log in, and I don't want to be changing the keyboard ...
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0answers
129 views

iMac startup manager not displaying

I have an iMac 27" from late 2009 and I'm trying to fix it but everything I've tried thus far doesn't help. I don't have an Apple keyboard but a normal keyboard should work as well. When turning the ...
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0answers
103 views

Where to find app which opens on startup, but it's not in Users & Groups?

I've this annoying application popping up on startup (called ZipCloud) which seems to be installed without my knowledge (along with other app) and I wanted to get rid of it. I understand I can ...
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0answers
221 views

MacBook Pro running OS X 10.6.8 “Snow Leopard” will not reboot past grey Apple logo screen

I have a Late-2006 Macbook Pro running 10.6.8 "Snow Leopard" (I know it's on borrowed time); I got the shut down screen and rebooted to no avail, stuck on grey Apple logo. It will not boot in safe ...
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77 views

Enable `ipfw` port-forwarding on startup

For older versions of Mac OS X (Mountain Lion), port-forwarding is done with the ipfw tool. (In later versions, use PF tool.) For example, the Apache Tomcat web server listens by default on port ...
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68 views

os x boot volume

was hoping someone might be able to help me figure this out when i run the cmd "systemsetup -getstartupdisk" the output is "/Volumes/13/WINNT" My hard drive setup is a gpt schema with three ...
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0answers
7 views

entry in startup menu causes crash on boot

A while ago, I installed yosemite beta on its own partition. I later deleted that yosemite beta partition. However when I boot with option held key down, I still get a choice of partitions, including ...
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0answers
23 views

Automatically mount disk image earlier than app resume

I've found that I can automatically mount a disk image by adding it to Login Items, but this happens far too late in the login process. For example, I'd like the automatic resume feature to be able ...
0
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0answers
108 views

Mac OS X Mavericks starts with question mark

Yesterday, I was using my Mac OSX and some applications were using a lot of memory. It wasn't possible for me to finish my Mac correctly and I decided to turn off the computer with the On/Off button. ...
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550 views

No startup disks are available during boot

I had my Macbook running in Boot Camp. I used the Boot Camp Assistant and selected to reboot into OS X. When it rebooted, it immediately started up into Recovery mode. I did a verify disk and it ...
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0answers
288 views

Mac mini early 2014: Enter startup manager using a windows (wireless USB) keyboard

Cannot enter startup manager or perform any other startup action on my mac mini. I tried installing Windows 10 (Tech Preview) alongside Yosemite. The mac mini automatically starts into Windows, ...
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1k views

Plugged faulty USB into Mac Air, won't turn on

I have an external DVD drive with an AC power input. I plugged it into a power source and then into my Mac Air (the generation released a year ago). The computer shut down immediately. When I ...
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156 views

MacPro4,1 USB Boot?

Just bumped into an odd problem with my MacPro4,1 (2009/Nehalem) wherein I cannot boot from USB bootable disks. My various disks are recognized from System Preferences -> Startup Disk, however they ...
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0answers
349 views

macbook pro with filevault loses startup disk

My MBP (13inch, late 2011) sometimes loses it's startup disk when I have powered it off by holding the power button for 10 seconds. Not every time, but one time out of 5. (See my other question on my ...
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0answers
1k views

What can cause start up to stop at the apple logo and spinning gear?

I'm trying to help a friend fix their MacBook, and I've run out of ideas. I've gone through every resource I can find, so hopefully someone has some insight into this problem. When the machine starts ...