Questions about booting, the process of starting a computer and putting it into a state of readiness for operation.

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2
votes
2answers
39 views

Stop sign at boot - new SSD

I've got a mid 2012 MBP 13" in which I inserted a brand new MX100 in the place of the old HDD. I've put the old HDD in a case in the superdrive place and tried to install 10.10 but the install failed. ...
2
votes
1answer
17 views

Can I make a bootable drive for mid 2010 MBP with a Windows computer?

I have a mid 2010 Macbook Pro running Yosemite that I foolishly did a reset on while it was connected to an external monitor that was designated as default in settings And connected to a USB keyboard ...
0
votes
0answers
12 views

Power Mac G5 doesn't boot/black screen

I have a Power Mac G5 (Model No: A1047 EMC 1969C). My problem is that it doesn't properly boot anymore when powered up. When I'll press the power button, the white LED next to the button will ...
1
vote
0answers
22 views

Broke Boot Camp while trying to get a triple boot

I'm running Yosemite, up-to-date on a mid-2012 MacBook Pro. I removed the optical drive, moved my internal HDD to its location and placed a new SSD in the original HDD's location. This has been great ...
1
vote
1answer
63 views

iPad won't turn on after a complete battery drain

I forgot to plug in my iPad after the critical battery warning and it went some minutes following the warning. I was not worried because same thing had happened a few times before and iPad was ...
0
votes
0answers
8 views

Is it possible to boot from an encrypted external hard drive?

If I have an external hard drive with a bootable cloned backup (via SuperDuper) - if I encrypt it with the Finder will I still be able to boot from it if necessary?
0
votes
0answers
31 views

Internal HDD works with pc but not mac. MBP

I had bootcamped win 7 on my mac a while back until one fateful night I was hit with a bluescreen. When I attempted to restart I received a no drive recognized error. Since then I have done everything ...
1
vote
0answers
17 views

Mac Pro 2008 Refuses to Boot

My Mac Pro 3, 1 began rebooting randomly one day and the next it wouldn't come back on. Pushing the power button results in a fan clicking in to life for half a second and then all power is lost. The ...
1
vote
1answer
40 views

Flashing question mark, low hard drive space

When I booted my Mac last night I got a flashing folder against a gray background. The computer started fine this morning, but when I closed the lid and opened it up again I had to reboot, and now ...
1
vote
0answers
30 views

How to Hide All users from fresh boot With FileVault 2

With System preferences>Users & Groups> Login options> display login window as "Name and Password" normally you need to type out the user name and password to sign in. With FileVault2, when ...
0
votes
0answers
32 views

Installing Windows on an Early 2011 MBP w/ swapped out SSD… major roadblocks

My problem started a few days ago when after installing my brand new 250gb evo ssd I decided having a windows partition would be nice. I had previously had this setup before having the ssd whenever I ...
4
votes
4answers
104 views

Mac Won't Boot. Help needed

I use top-notch MBPRO15 Late 2011 with the latest OSX and all the recent updates installed. I had booting problems before which I managed to solve through command+option+P+R. I'm not sure what exactly ...
0
votes
2answers
137 views

“You restarted/Computer restarted because of a problem” on wakeup, Evernote?

For the last few days I've been getting scared because of these messages that appear very frequently on wakeup, and almost always when I wakeup after a long duration. Sometimes it says "you restarted ...
0
votes
0answers
96 views

Bootcamp fail stuck at no bootable device (hold option not working)

I've been trying to find an answer to my problem all day with no luck. I tried installing windows 7 via bootcamp this morning. I accidentally created the partition before creating a bootable usb ...
0
votes
1answer
48 views

Folder with Question Mark On Startup, Don't Know the Firmware Password

So my buddy's macbook one day just booted up with a folder with a question mark in it. Its an old laptop from work, which he doesn't work at anymore. I've been trying to help him out, but I've ...
1
vote
1answer
363 views

No bootable device after failed Windows 7 installation via Bootcamp

While trying to install Windows 7 via Bootcamp on my MBP Retina today I really messed up. After getting into the drive selection in the Windows installation utility I deleted the other partitions (3 ...
0
votes
1answer
110 views

Boot Camp OS startup selection not available with Windows Alt

I am using iMac (Yosemite) and Logitech K800 wireless keyboard http://www.logitech.com/en-us/product/wireless-illuminated-keyboard-k800 (specifically the Finnish version of it). When I press Alt on ...
2
votes
1answer
30 views

MacBook Pro Mid 2012 startup chime from right speaker only

After installing a ssd into my Macbook pro mid 2012 (not retina), i noticed that the startup chime is coming only from the right speaker. (I am not sure if it was always like that or if its because of ...
0
votes
0answers
12 views

iPhone 5c Reset Not Progressing While Reseting

I recently got my son this 5c, when we went to restore it, the progress bar would not load. At first I thought it was a graphical problem, so I left it run for a few hours but it seems to be stuck. ...
1
vote
1answer
47 views

MacBook boots automatically when opening lid. Feature or problem?

When my 13" Retina MacBook running Yosemite is powered off and I open the lid, it immediately starts booting up... without pressing the power button. Is this a new feature (maybe part of Yosemite) or ...
0
votes
2answers
92 views

Mouse and Keyboard on MacBook Air mid 2009 don't work partially

My MacBook Air mid 2009 worked for 3 months without any problems on Yosemite. Two days ago the built in mouse stopped working along with the built-in keyboard. Right after it woke up from sleep mode ...
0
votes
1answer
78 views

Does Windows, running on latest Apple computers, see boot disk partitioned as MBR or GPT?

From my understanding, the newest apple computers boot Windows in EFI mode. Traditionally, Windows has seen the boot disk as an MBR partitioned disk. In fact, the boot disk (i.e. /dev/disk0) has aways ...
0
votes
0answers
21 views

Trying to boot brand new Mini from SuperDuper Backup - circle with line through it

Our Mac Mini went belly up, so I just got a brand new one. I had a nightly scheduled super duper backup to an external drive, which works fine on other Mac's (i.e. I can boot it up and run) On the ...
1
vote
2answers
100 views

iMac stuck at white screen - graphics issue?

I have a mid-2007 iMac that can't boot into OS X Lion unless it's in safe mode. When I turn it on, the Apple logo appears, then the loading spinner, then a white screen with no cursor. What makes me ...
0
votes
0answers
70 views

Unable to Open /var/db/BootCaches/PreheatedUser/Merged.playlist

Running Mavericks and Disc Utility and fsck report no errors. Safe Boot reports Unable to open /var/db/BootCaches/PreheatedUser/Merged.playlist. Found a tutorial (or three) recommending to enter ...
0
votes
1answer
24 views

Can't change startup disk iMac

Here is my situation: I've only the mouse paired with my iMac because I rent the keyboard to a friend. Unfortunately the startup disk is set to a fallacious Windows partition that don't want to boot. ...
0
votes
2answers
42 views

Macbook Air strange boot-up

I've searched before asking but couldn't find any related question with the problem that I'm facing. I have a new Macbook Air (1 month) with Yosemite 10.10.1 that from the beginning is having some ...
1
vote
2answers
335 views

Macbook Pro.[Mid-2012] Sound isn't working

Suddenly, My MBP sound isn't working. I have tried couple of way to resolve the problem but nothing is working. Here is some of the screenshot: No, input or output sound. I would like to know 1) ...
1
vote
1answer
220 views

Accidently deleted some small sized partitions when installing WIndows(Bootcamp). OSX Partition wont boot

I tried to install Windows 8 into my Mac via Bootcamp. I booted into the Windows 8 Installer and had issues formatting the drive that I partitioned for the OS. Like an idiot, I deleted all of the ...
1
vote
0answers
20 views

Internal SSD not visible

When I boot up my Macbook Air (circa Sept 2013, running Mountain Lion), I get a folder with a "?", indicating the SSD is not visible. This started when I tried installing an Office upgrade, and ...
0
votes
2answers
227 views

Can't open my iPad mini

I shutdown my iPad and left it for a while. Now I want to start it again and I can't open it. I've used the sleep/awake button, also use that with the home button but I can't open it at all. It sits ...
0
votes
1answer
465 views

Yosemite keeps restarting or going into grey screen

I have an iMac from 2011 and I have installed Yosemite as soon as it was released, without any issues before this one. Here is what happened: it has suddenly shut itself off, after turning it on, it ...
0
votes
1answer
49 views

Macbook Pro Ram and/or Processor broken?

I am experiencing several problems with my MacBook Pro early 2011. It all started about two months ago with my wifi card. It lost connection to the network every few hours. The symbol in the status ...
-1
votes
1answer
37 views

Can I move a hard drive from a MacBook 13 to a MacBook 15?

I'm thinking of upgrading my machine to a 15" and wondering if I can just move the hard drive over and put a new one in the 13"? The reason is my 13" Macbook has a 2TB HDD and I'd rather keep that ...
1
vote
1answer
97 views

MacBook Pro only boots to grey Apple screen with spinning loader

My MacBook Pro boots to the hated gray screen. Things I have tried to fix this include: Booting with CMD-R (boots to a grey screen) Resetting the PRAM (boots to a grey screen) Resetting SMC (boots ...
1
vote
2answers
65 views

unable to boot my iMac

Recently, I attempted to re-install Mac OS X Lion on my 2007 iMac computer (EMC 2133), but during the installation process it got interrupted. After rebooting it just displays a blank grey screen ...
0
votes
0answers
151 views

Macbook Pro formatted with windows, now can't install OS X or Windows!

I formatted my MacBook Pro Mid 2010 with Windows, now I can't install any operating systems on it. I tried to install Windows 8.1 on my MacBook, then at the final step I received a message saying ...
0
votes
0answers
179 views

Macbook Pro doesn't boot with replacement battery. 15 inch late 2011

I bought this replacement battery for my 15 inch Macbook Pro late 2011: http://www.amazon.ca/dp/B00OD7OHLY/ref=sr_ph?ie=UTF8&qid=1419964742&sr=1&keywords=macbook+pro+late+2011+battery ...
2
votes
2answers
2k views

Yosemite OSX iMac reboot progress bar stuck at 50%

My son went out of town and, upon returning, turned on his iMac. It rebooted and went into the progress bar typically showing during updates. It goes to the 50% mark, fairly quickly but then stayed ...
1
vote
2answers
173 views

How to install Windows 8 on an early 2006 MacBook?

I have recently obtained a MacBook 1,1 from my older sister and it happens to be quite old. I have attempted to revive it with boot camp but my windows installation is stored on a USB drive instead of ...
1
vote
0answers
11 views

securing boot process against port access but not full physical access

Is it possible to secure a Mac Mini (2014) for use in an scenario where users have access to the ports but not full physical access to the computer's internals? I need to be able to disable cd boot, ...
0
votes
0answers
73 views

BootcacheControl.playlist not found, MacBook does not boot anymore

Booting a MacBook with Snow Leopard installed will suddenly stop with the message: Unable to open /var/db/BootCache.playlist: 2 No such file or directory Booting in single-user mode, I can see ...
0
votes
2answers
94 views

How to run a sudo command on mac? .. problem with mysql server

I 've installed mysql server with brew, and i need to run manually this command each time my computer start to make it work with an application that I can't edit. sudo mkdir -p -- /var/run/mysqld/ ; ...
2
votes
0answers
47 views

Can I keep my Boot Camp partition when moving to a larger hard drive?

I just bought a 512 GB hard drive to replace my 250 GB hard drive, which currently has a Boot Camp partition (pretty vanilla, just running a standard Windows 7 install). I was planning to just clone ...
0
votes
0answers
136 views

Drive name red in Disk Utility: Core Storage Drive offline. How to bring back?

Yesterday, my mac wouldn't boot up. When I restarted, I could get the whole way to the User login screen. No matter what user I chose, the boot bar would get about 1/3 way finished and I would get ...
2
votes
2answers
5k views

Macbook Pro not detecting bootable USB with Yosemite

I created a Yosemite boot USB, from the App Store version 10.10.1. When I hold option during Boot, the USB drive doesn't show up on the menu. I have an aluminium MBP, bought in 2009. It is the full ...
0
votes
1answer
1k views

How to run Apple Hardware Test with broken keyboard?

mid-2011 13" MBA running Yosemite Coffee spill has left keyboard of mid-2011 13" MBA non-functioning. Even power button doesn't work, I boot by shorting the two solder points on logic board. I've ...
0
votes
0answers
238 views

Yosemite blue grey Screen O Death

I have a late model 2011 MacBook Pro, and I upgraded to Yosemite two weeks ago. Yesterday I was working in After Effects on some pretty big movie files when the laptop screen just went black. When ...
0
votes
1answer
103 views

How do I change permissions of folders on a hard drive from a booted USB drive

I am trying to save my files on my Hard Drive that has a crashed OS. I created a Bootable USB with Ubuntu and successfully booted. I can see my folders, but I can't actually open them because I don't ...
4
votes
0answers
177 views

Macbook doesn't display on external screen until after I log in (Yosemite). How to fix?

I have a macbook pro (mid-2011) and an HP Pavilion 22bw (prob inconsequential) connected via a Thunderbolt DVI Adapter. Ever since installing Yosemite, I now need to open the macbook pro and log in ...