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

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1
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1answer
14 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 ...
2
votes
1answer
25 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. ...
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2answers
2k views

Macbook Pro 13-inch stuck at Gray screen with apple logo and wheel

I have a 13 inch Macbook Pro, early 2011 with its original OS. I came to a point where its battery needs to be replaced, and I can't use it without using its charger/adapter. One time, I accidentally ...
0
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0answers
11 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 ...
6
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5answers
15k views

Can you boot a MacBook Air from a USB 3 external hard drive?

Macs have long been able to boot from external FireWire hard drives. I don’t think they’ve been able to boot from external USB 2 drives though. The new MacBook Air (2012) has USB 3.0. Can it boot ...
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2answers
12k views

No bootable device found ( Install windows on Mac )

I'm owning a macbook pro 13 inch mid 2009 and a USB thumb drive Kingston DataTraveler 100G3 16 GB. I successfully installed Windows 7 on my Mac using Bootcamp ( with a little trick to enable "Creat a ...
1
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0answers
21 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 ...
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2answers
3k views

Resetting MBR on iMac

I installed Ubuntu on my iMac (partially successfully) I had rEFIT installed but it did not recognize the Ubuntu installation. I removed the partition and rEFIT and now when I attempt to install ...
1
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1answer
4k views

Yosemite won't boot in safe mode with Shift held down

I'm investigating some slowness with my late '13 rMBP which I upgraded to Yosemite on Sunday. Problem is, I can't boot into safe mode by holding the Shift when restarting or powering up. I tried ...
1
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1answer
57 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
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1answer
1k views

Mac Pro hangs at startup showing white screen with spinning pie wheel

MacPro 1,1; lion? startup hard drive failed (with loud buzzing). Removed bad drive, installed replacement, inserted Lion USB drive, verified new drive using the Lion usb drive, started installation ...
2
votes
1answer
1k views

Unusually long boot time in non-verbose mode - early 2008 MBP + SSD + Mavericks

Inside my early 2008 MBP (15", C2D 2.4, 4GB, GF8600M) I installed a used Samsung SSD (128GB), did a clean Mavericks install and at first startup, I restored the Applications, Desktop, Documents etc. ...
0
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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?
2
votes
1answer
2k views

Can't boot MacBook Pro 13" (mid 2010)

The problem occurred after installing the update SMC 1.6 on Apple - OS X Mountain Lion: First for a long time was a white screen and noisy cooler After the system battery icon was crossed out and ...
5
votes
5answers
75k views

Create a Bootable Windows USB from a OS X to work on a PC

What I need to archive is Create a Bootable usb drive from Windows 7 iso image using a Mac running. Use the flash drive to boot and install windows on a PC (not Mac) What I'm looking for is an app ...
0
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0answers
30 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 ...
4
votes
4answers
103 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 ...
1
vote
2answers
2k views

MacBook Pro Mid 2009 does not boot without resetting system management control (SMC)

Today i started my macbook pro and after some seconds it stopped working (just turned). I was not able to start it again. After some apple support search I found a page that described how to reset the ...
2
votes
2answers
4k 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
2answers
92 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/ ; ...
1
vote
1answer
16k views

How do I get into boot options with a non-mac keyboard?

I boot my mac mini, hold down alt on my non-mac keyboard, but it does not go to boot options. How do I get to boot options with a non-mac keyboard then?
1
vote
1answer
883 views

cannot boot. volume disappeared from boot option after Disk Utility (GUI) repair

I have a 13-inch MBP with the latest OS X version. Problem Yesterday, I went to the Recovery Mode and performed Repair on my boot volume. I was not having a problem, but I just wanted to verify and ...
1
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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 ...
3
votes
2answers
6k views

Cannot access vital boot options on Mac Pro with OS X Lion

I have this used Mac Pro (mid-2010) that I recently bought, that came with OS X Lion installed. It was apparently installed from an image because there are a lot of installed apps and, though there is ...
1
vote
1answer
39 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
1answer
5k views

MacBook Pro won't boot with new hard drive, but a different MacBook Pro will

So here are the details. My friend and I both have 13-inch Mid 2010 MacBook Pro's. Same processor and specs since they were purchased at the same time, but originally had 250 GB hard drives. His hard ...
1
vote
3answers
41k views

How do I create a Mac bootable USB drive using Windows?

My MBA 2012 with OS X 10.9.4 Mavericks won't boot anymore - it simply freezes after the initial jingle. I already tried resetting NVRAM and SMC, but to no avail. I don't have any time machine backups. ...
1
vote
3answers
21k views

MacBook Pro can't boot: shows Apple logo then grey screen

There is a MacBook Pro from 2012 with Mountain Lion that won't boot. The Apple logo is showing, the spinning wheel and then it just goes to a solid grey screen. I've tried to hold Cmd+R while ...
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
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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 ...
1
vote
1answer
514 views

Can VirtualBox prevent Mac OS X Yosemite to boot properly?

After a few days of good experience with Yosemite, my Macbook pro cannot boot anymore. After 30 or 40% of boot, it just restarts. Here are what I did to fix it: Booting to single-user, runnign fsck ...
0
votes
1answer
3k views

I can't boot into Windows 7 on Boot Camp

I have a mid-2009 MBP. A couple of years ago I swapped out the optical drive for an SSD, made the original hard drive a Boot Camp partition and installed Windows 7 on it. It has been a brilliant "best ...
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 ...
1
vote
1answer
2k views

OSX Froze, Fails to Boot in any Configuration

In the middle of working like a charm, my MBP locked up. After a bit, I did a hard power off. Here's the timeline since then Reboot. Got to user screen just fine, logged in. Applications all started ...
4
votes
1answer
2k views

Macbook Pro hangs when booting into Boot Camp Windows 7

I have a 2011 Macbook Pro 15" 10.7.4 with Windows 7 installed in Boot Camp. A few days ago, I tried to boot into Windows 7 and it just froze after I selected the Boot Camp volume on the Select Drive ...
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 ...
5
votes
3answers
19k views

What can be done to fix a 2011 iMac that will not boot past the white screen?

I have now tried opening the iMac and removing the cables to the SSD, it still gets stuck on the white screen. I tried again, removing the cables to the HDD as well and the same thing occurs. No idea ...
0
votes
2answers
135 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 ...
3
votes
4answers
1k views

Why does RAID 1 “Mirroring not provide performance improvements”?

I have always used Software RAIDs, either Apple-provided, or via SoftRAID, etc. I am about to re-zhuzh my arrays and decided to do a little research beforehand… and On Apple's site, there is a ...
1
vote
2answers
5k views

Macbook Pro Crashing and Startup Failure

Firstly, some background information for the problem: My girlfriend's Macbook Pro had an issue that was annoying, but not fatal. Roughly once a day (but sometimes not for a few days, and sometimes ...
0
votes
1answer
2k views

Mac Pro: Kernel panic during HDD boot and DVD boot

I have a 2007 Mac Pro (OS X Tiger 10.4.11) that cannot boot up anymore since a few days. I see the grey screen with the apple logo and the rotating circle. After a minute or so I get a kernel panic. ...
0
votes
1answer
104 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 ...
1
vote
1answer
355 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
154 views

MacBook Pro early 2011: sound loop, black screen

Over the last week I have had four similar incidents: When I played something on YouTube, the audio just loops for a few seconds, and then either the screen freezes or a black screen will appear. ...
0
votes
0answers
94 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 ...
2
votes
2answers
3k views

OSX Partition won't mount. Permissions seem wrong

OS X was spinning and spinning when trying to shutdown so I held down the the ⌽ Power button to force shutdown. Current Situation: I cannot boot to OS X directly, I first have to boot to single ...
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 ...
1
vote
2answers
2k views

Upgraded to 10.9, but it broke my Windows 8.1 Boot Camp partition!

I just got Windows 8.1 set up via Boot Camp a couple days ago, and everything was working wonderfully. Today, I upgraded my Mac to OSX v10.9, as suggested by Apple. Nobody told me it would break my ...
1
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0answers
633 views

How do I unfreeze my iPod Nano 4th Gen?

tl;dr -- My iPod hangs on the boot screen (black background, silver apple logo). When I try to restore it (on both my Virtual Windows XP and on a Mac laptop), it'll restore fine, but when it reboots ...