Refers to booting more than one operating system on one computer.

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17
votes
2answers
59k views

How to force Startup Manager menu to appear at every boot?

Is there any way to force the Startup Manager menu to appear on every boot? Rather than me having to remember to hold down Alt if I want a different OS.
8
votes
4answers
10k views

What are the sector sizes on Mac OS X?

I read on the HFS Plus Wikipedia page that the default sector size on a Mac is 512 b. However, I also read that Macs support 4kb sectors. How can I determine which I have, 512 b or 4 kb sectors? I ...
8
votes
4answers
14k views

Why won't my MacBook Pro boot from a Linux Live CD?

Whenever I try to boot up from a live cd, it starts to boot and then it tells me: No bootable file system available. It's an Early 2011 MacBook Pro 13" 8,1 with the 2.3 GHz Core i5. What's ...
7
votes
3answers
6k views

Dual boot Linux and Lion on FileVault 2 disk

I have Mac OS X Lion installed on FileVault partition. On the same disk I've installed GNU/Linux. When I boot my MacBook I can only boot Lion. How to boot Linux? In case you need here is more ...
6
votes
4answers
35k views

Boot into Mac from Windows after failed Bootcamp

Don't hate on me too much for this one... I put Win8 on my Mac Mini using Bootcamp, and all was well. I switched back and forth a couple times between the two with no problems. The problem started ...
6
votes
3answers
9k views

How do you install and use a Linux partition on Mavericks?

As a just-for-fun type of experiment, I was wanting to install Linux on an external drive that I own and boot it up on my 2007 iMac desktop. I know there are a plethora of guides out there on how to ...
6
votes
3answers
44k views

How to install Windows 7 Bootcamp using iso file (without USB/DVD)?

I have a MacBook Pro and I need to install Windows 7 besides Mac OS X so I can play games on it. The problem is that I don't have a USB stick or DVD to copy the Win7 iso image like Bootcamp requires. ...
5
votes
3answers
20k views

How can I right click on a Mac using only the trackpad in a dual-boot environment?

I am absolutely new to Mac OS and can't determine hot to issue a right click on my Mac. If I want a shortcut menu to appear I can ctrl + click to get the same effect or I can use an old mouse that has ...
5
votes
3answers
5k views

Bootcamp: is there an advantage of 64-bit vs 32-bit Windows?

I've got the new MabookPro retina. I want to install a dual boot Windows OS. I have the option from MSDN to either install a 64-bit or a 32-bit. Is there a performance advantage? Other advantages?
5
votes
4answers
17k views

How do I get rEFInd working with OS X 10.11 El Capitan?

I noticed that I could not install and use rEFInd after upgrading to OS X 10.11 El Capitan. This restricts me to OS X so I cannot boot my Linux partition. I get the following error: error "Could not ...
4
votes
2answers
27k views

Boot camp install of Windows 7 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 ...
4
votes
2answers
11k views

Windows boot camp option missing in Startup Disk selection

I have a Mac Pro (early 2009) running Yosemite 10.10.2, all up to date. Yosemite is installed on my primary SSD (I have 2 additional magnetic drives). I use Boot Camp, and have Windows 8.1 installed ...
4
votes
5answers
15k views

Disk Utility hangs prior to resizing partition

When trying to shrink the size of a partition, the period before the actual resizing happens (where Disk Utility says "Preparing to partition disk") hangs forever. I dug into Console to see what was ...
4
votes
1answer
1k views

How can I tell OSX NOT to mount some of the drives in my computer?

I have a Mac with a Windows drive that I occasionally boot to. Most of the time, I'm using the Mac, and the Windows disk always mounts and shows up on the desktop. I would like to keep it from showing ...
4
votes
1answer
58 views

Dual-boot Linux on a Mac with original Boot Loader without uninstalling OS X

phew, long title beware! My question here is, I own a Macbook Air 2014 model, and have duel-booted OS X and Bootcamped Windows 10. Now I want to be able to install a Linux distribution (most likely ...
4
votes
4answers
5k views

Upgrade to mountain lion from dual-boot ubuntu configuration

I have a Lion installation dual-booted with Ubuntu using refit. Upon trying to upgrade to Mountain Lion, I reboot into the mountain lion installer, and get a message about OS X not being able to be ...
4
votes
3answers
548 views

Triple boot (Lion, Win7, Ubuntu)

I currently have my MacBook Pro set up to dual boot OS X Lion and Windows 7. I am in the middle of a development project where I need to write some custom software that depends on proprietary drivers ...
3
votes
2answers
1k views

Is it possible to dual-boot Mac OS X 10.7 Lion and Mac OS X 10.8 Mountain Lion?

I want to try out the new version of OS X (Mountain Lion), but since I'm so comfortable with my current installation of Lion, I do not want to do a normal upgrade and install/customize all my programs ...
3
votes
5answers
379 views

Data Storage Using Dual-Boot System

It's probably not pertinent, but I'm a Mac user since the 1980's. I freely confess that as a middle-aged dog I find it increasingly harder to keep up with the latest and greatest in available Apple ...
3
votes
4answers
15k views

What is the minimum partition size for Mac OS 10.10 Yosemite?

I'm about to set up a Mac mini to dual boot Mavericks and Yosemite for software development purposes. What's the recommended minimum size of a Yosemite partition?
3
votes
1answer
895 views

Remote dual boot, how to select OS to boot

I'm installing Bootcamp ( Win7 64bit if that matters ) on my Mac Mini, since you need to pick the OS to start up while booting, how can I do this remotely? Example: VNC into OSX, reboot the machine, ...
3
votes
3answers
779 views

Do I need to install the Boot Camp update in Mac OS X and Windows 7?

I'm running Windows 7 on a Boot Camp partition on a 2010 Mac Pro running Lion. Every so often I'm prompted to download and install the latest update to the Boot Camp software under Windows but this ...
3
votes
1answer
9k views

Uninstall rEFInd 0.8-3.7 on Yosemite

I recently tried installing rEFInd on Yosemite using the command ./install.sh --alldrivers however it would not recognise the ubuntu 14.04 x64 for Mac disk I made and so I would like to uninstall ...
3
votes
2answers
5k views

Dual boot MacBook Air 2012 with Windows 7 - now boots directly into Windows

So I attempted to set up dual boot (Boot Camp) on my new MacBook Air (Mountain Lion) with Windows 7 and failed spectacularly in the process. The Mac just boots straight into Windows now. There's no ...
3
votes
2answers
8k views

Bluetooth keyboard not working after update to Windows 10

I updated my (native) bootcamp instance to Windows 10 from Windows 8.1, but now the apple bluetooth keyboard doesn't seem to work anymore. The bluetooth screen says 'driver error' on the device. I've ...
3
votes
1answer
248 views

Late-2013 rMBP able to install & boot Win8 using EFI?

I've previously installed Win7 (and then upgraded to 8) via Bootcamp, but I've been looking around some forums recently regarding running Win8 natively. I now have the impression that the latest-gen ...
3
votes
1answer
255 views

Is it possible to use Boot Camp with Windows 10 from an external HDD?

I need to run Visual Studio on my MacBook Pro and I need Windows to do that. The easiest and well known way to install Windows on a Mac is by running the Boot Camp app on the Mac and let it do what's ...
2
votes
1answer
294 views

Dual Boot OSX on Retina MBP 15

I want to install a fresh copy of OSX onto my Retina MBP, next to the one that it came preinstalled with. I have created a 2nd partition using Disk Utility ready for the install, but have now found ...
2
votes
2answers
12k views

How can I boot my dual-booted Mac back to OS X?

I have a MacBook Pro and run Windows XP on it too much however I cannot remember how I can open the MacBook Pro with OS X on instead of Windows XP. How can I boot back to OS X?
2
votes
3answers
2k views

Run a Windows Virtual Machine on Mac OS X 10.8 with a real Hard Drive partition

I have dual-boot setup on my MacBook using bootcamp. I have 2 partitions: 1 is Windows 7 and the other is Mac OS X 10.8. I have all of my stuff personal stuff setup for the Mac side. I have ...
2
votes
1answer
196 views

What are these weird permissions? ==> d????????? ? ? ??

Since my Mac crashed and does not boot OS X at the moment, I am trying to recover some data from my user folder in OS X from within of Ubuntu. Usually I have no problem accessing the files. But not ...
2
votes
2answers
180 views

After getting a Mac, how to install Lion again on another partition?

After getting a Mac with Lion and creating a partition to install Lion again (to have different versions of Xcode and Xcode beta on different partitions), how can Lion be installed on the new ...
2
votes
2answers
8k views

Installing windows on Mac won't recognize USB [duplicate]

I am trying to install windows as a boot camp partition on my main hard drive ssd (after spending countless hours trying to get it installed on the optical bay hard drive). I assumed this would be ...
2
votes
1answer
2k views

Can only boot to Windows 7, no OS

Back in late 2010, when I first got my MacBook Air, I followed the instructions at http://howto.cnet.com/8301-11310_39-20020513-285/install-win-7-on-macbook-air-from-a-usb-drive/ to install Windows 7 ...
2
votes
2answers
303 views

Sharing users between Mountain Lion and Snow Leopard — will this break user preferences?

I have ML and SL installed as dual boot OSes and want to share a user's home directory (on an external drive). I wonder, however, if I rather should use different users for each OS as ML might write ...
2
votes
1answer
103 views

Can one Mac boot up to several OS X installation?

Since there will be iOS 6 / Xcode 4.5 Beta or Preview and Mountain Lion Beta or Preview, I wonder if using an iMac with 1TB of hard drive, can it be partitioned using its Disk Utility into 4 or 5 ...
2
votes
1answer
404 views

Two SSDs in a Macbook Pro with OSX on one and Windows 7 on the other

Is it possible to have a setup like this? What I want to be able to have is one SSD with OSX Lion and another SSD with Windows 7 in a usual dual boot setup.
2
votes
0answers
38 views

Unable to Boot MacBook using any means after attempted Fedora Install

Wondering if anyone has any last ditch efforts I can try here to salvage my macbook! I recently attempted to install fedora to dual boot on my Late 2011 Macbook Pro, the install crashed, the ...
2
votes
1answer
1k views

Read-only HFS+ on Windows 10 with boot camp driver question

I've been searching around on the internet for a while trying to answer this question, but I can't get a clear answer for it. Background info: I'm running El Capitan with a Windows 10 partition on my ...
2
votes
2answers
146 views

Kali Linux auto boot

I have just installed Kali Linux in a separate partition of an iMac with wireless keyboard and mouse and with rEFInd. When I turn on the Mac it boots into Kali Linux automatically and doesn't ...
2
votes
3answers
704 views

Mac OS X doesn't recognize hard disk

I replaced my CD drive with a Western Digital 750GB hard drive using the iFixit guide. My Mac for some reason throws error on any interaction with the hard drive, for example on disk utility when I ...
2
votes
0answers
914 views

How to bless a partition using a custom EFI-boot file with non-conforming directory structures and/or file names?

Is there a guide on how to bless a partition for booting, one that doesn't have the default /System/Library/CoreServices/boot.efi structure? For example, I installed GRUB on the default EFI System ...
2
votes
0answers
672 views

Does Windows Server 2012 R2 work with Bootcamp on MacbookPro running Mavericks?

I am trying to figure out if I can run Windows Server 2012 R2 as a boot camp partition with Mavericks. What drivers should I use? Are there any issues?
2
votes
0answers
490 views

Accidentally deleted OS X partition

I was installing Windows 7 using bootcamp on my iMac machine and accidentally deleted the main OS X partition while doing that. So now I when I start the machine I see only an option to choose windows ...
1
vote
1answer
237 views

Dual boot versus VM storage use?

Which requires the least total storage to run Windows 7, configuring an MBA for dual-boot with Bootcamp, or using a VM (Parallels, VMWare, VirtualBox)? For the smallest solution, how many free GB ...
1
vote
2answers
135 views

No bootable device USB 2.0 MacBook Pro mid 2014

I've been tearing my hair out the last couple days trying to get Windows installed. I have a MacBook Pro Retina 15 inch mid 2014. Yosemite version 10.10.1. Win 7 64 bit iso (sha1 - ...
1
vote
1answer
107 views

How to make a bootable Yosemite Drive under El Captain (not installation drive)

I have installed El Captain on my MacBook Pro and I want to make a bootable Yosemite Drive. Could anyone help me with that?
1
vote
1answer
297 views

Startup disks are disabled after upgrading to OS X El Capitan

Recently I upgraded my Mac mini to OS X El Capitan. After the upgrade completed, I can't select a startup disk in System Preferences -> Startup Disk. BOOTCAMP/Windows is disabled here. Searching ...
1
vote
1answer
155 views

Is running Linux through a VM as fast as running it natively on MacBook?

I am trying to decide whether I should run Linux natively or through a VM on MacBook 7,2? How much performance difference would I observe? Is it worth installing Linux natively or is running it ...
1
vote
4answers
5k views

Gray screen immediately upon boot. Cannot enter into safe mode, and cannot show boot loader with the Alt key.

How the problem came to be: I wanted to dual boot Debian on my MacBook Pro 8,1. I got my USB ready, downloaded ISO, and installed rEFInd. I restarted to make sure the new boot manager worked. It ...