How to dual boot mac os x lion and windows 7

This screen provides an overview of Boot Camp.

Dual Boot Mac OSX and Windows 7 with Bootcamp

Click Continue at the bottom of the window. Getting started with Boot Camp. You may also see a Create a Windows 7 Install Disk option. If you have such a Mac enable this option, click Continue, and follow the instructions for creating the install disk. For Windows to operate properly on your Mac you need this support software, so select that option and click Continue. Insert the disc and click any OK buttons necessary to more the process along.

The support software will be burned to that disc.

How to use Boot Camp with Lion

If you have a Mac that lacks a media drive choose the second option. Click Quit at the bottom of the window and then relaunch Boot Camp Assistant. You must now relaunch Boot Camp Assistant. Creating a Boot Camp partition. If you have a Mac with a media drive choose to install Windows 7. If you need more storage space than the default 20GB partition, drag the Windows partition to the left to increase its size. If the amount of free space on the drive is greater than the amount of space currently used by your Mac—say, the files on the Mac currently account for GB on a GB drive—you can click a Divide Equally button to create partitions of roughly equal size.

When your Mac recognizes the disc, it will begin the partitioning process. When Boot Camp Assistant finishes partitioning your drive it shuts down any running application and reboots your Mac into the Windows installer. After agreeing to the license agreement, agree to install Windows.

Choose Custom. In the window that appears choose the boot camp partition, which is clearly labeled. A window will appear that warns you that formatting the partition might be a bad thing. Once Windows has formatted the drive you can continue the installation by clicking on the Next button.

The Windows installation will proceed, restarting your Mac a time or two. You install those drivers by inserting the disc or drive that contains the Windows Support Software and double-clicking on the Setup application within the WindowsSupport folder on that disc or drive. Do this and the software installs the necessary drivers. Asked 8 years ago. Active 10 months ago. Viewed 46k times. What's the correct way to do this? Matt Frear. Matt Frear Matt Frear 1 1 gold badge 2 2 silver badges 10 10 bronze badges.

Switch between Your Mac OS X and Windows Partitions

Then put all your media files on one partition. There are resources on using this sort of software on MacWindows. I would love it if you kept the question simple and answered this with the attempts - it shows great knowledge and will be much more useful. Matt - make sure you let me know via comment in three days time if anyone has the best answer - I'm happy to deliver the bounty to the most useful answer for you rather than for me HuzZz got my vote - it finally worked! After 6 or 7 attempts. I think why my previous attempts didn't work was because I had the Bootcamp partition as the 2nd one and not the 3rd.

I tried this on 2 MacBook Pros and it works perfectly on both. This tutorial also assumes you have OS X Lion installed. It should be GB. HuzZz HuzZz 1 1 silver badge 4 4 bronze badges. You're welcome buddy, glad my method worked for you! Took me 9 solid hours of formatting and re-installing to work out. Thanks for the correction too! Well, this method is not so good. It makes you delete the backup recovery HD, which is very handy to let it be there.

Well do you see any other way round it? It's a physical restriction of a disk to have 4 partitions, this is the only possible way round it. Beggars can't be choosers. HuzZz, exFat has no 4GB file limit. Why don't use exFat? I wish I saw this before the partition tables were damaged. These filesystems are safer as well as offering better performance, at least on their native OS. Run Bootcamp Assistant. Download drivers for Mac and burn to CD. Make 60GB Bootcamp partition for Windows.

Launch Disk Utility.

Using Boot Camp to Run Windows on a Mac

Look at the 2 partitions. Split that partition into however many other partitions you want. Quit Disk Utility.


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Wait a while until the Windows 7 DVD appears and select it. Mac should start up from DVD. Start installing Windows 7. Continue until finished. DO NOT connect to internet. Load Bootcamp drivers CD that you burned and install. When finished, restart and log into Windows 7. Continue installing your applications. Do activations. OK, hope this works for you!! Good Luck!! Ernie Pena Ernie Pena 71 1 1 bronze badge.

Ernie, your method sounds like what I did on my Attempt 4. I couldn't get it to work. Regarding your 5th attempt with screenshots etc, I think you'll find you won't be able to have more than 4 partitions on a single hard drive - but good luck, keep us posted. I wonder why this answer doesn't mention the "remove OS X recovery partition" step?

I managed to get everything works like the way I want: Lion, Windows 7, and two shared partition don't ask why I need two, I do need two Lion recovery partition is intact Factory-installed Lion is intact The key of my success is moving my Boot Camp partition to the first position, as shown in this image: When I say moving, there's no such a tool or way to move partition. The steps are: Split the default Macintosh HD partition into two. Resize the first one to GB. This will be a Boot Camp partition later. Split the second partitions into three more partitions like the image.

The last partition is to be Macintosh HD Lion boot partition later. After recovery partition is booted up, I open Disk Utility. Clone the first partition to the last partition. Just googling how to do that eg this answer will help. Now I have two Lion partitions. Luckily, this step will create two Recovery partitions. Exit recovery mode and reboot using the just created cloning result Macintosh HD to make sure everything is OK.

After everything is exactly like before, I reboot again using Recovery by pressing Option key, then select the second Recovery, not the first one. After recovery booted up, I open Disk Utility and remove the first partition. This step will also remove original Lion Recover Partition. We do have choice! Hope it helps. Thanks for the great tutorial! Will such a scenario work for Mountain Lion? However, it removes fine if I boot as usual via "Macintosh HD" partition. Am I doing something wrong? At step 7, Bootcamp Assistant is unable to create a bootcamp partition: "This disk is your OS X startup disk and appears to have been partitioned by another utility".

And if I start with a single OS X partition and then immediately make BootCamp Assistant create Bootcamp partition, it always appears 2 in the partition list in Disk Utility, not on top of it. I've tried twice five times: as suggested by bmike, I've moved my failed attempts into a separate answer Attempt 1: Using Boot Camp assistant, resize OSX partition to 50Gb, Bootcamp to Gb, install windows.

Attempt 3: Same as Attempt 2 but using Fat instead of exFat. No difference.

Attempt 5: I followed Thomas Jespersen's instructions below and started again, this time deleting the Lion Recovery partition during Windows startup, and I also followed the instructions here to prevent the creating of a Mb windows recovery partition. Attempt 6: Followed HuzZz's instructions and it worked. This is an amazing amount of work - thanks so much for splitting it off.

How to Install Windows 7 on a Mac with Boot Camp | Pluralsight

I can't find any flaws in your process yet - I'm curious what is different between ErniePena and your mac. This certainly is harder than I had thought possible. Don't be afraid of the long answer. After Windows is installed create a D drive with the GB free space. Thomas Jespersen Thomas Jespersen 1 1 gold badge 2 2 silver badges 10 10 bronze badges.


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  • Hi Thomas, thanks for your answer. I've tried starting again using your method see Attempt 5 and although the partition is visible in Windows it's exFat , I can't see it in the Mac. Any suggestions? You can take a look at something like this: macupdate. There might be something better I haven't tried it though. It should definitely be able to see the partition. I suspect that Windows didn't update the partition table correctly when he made the data partition. I recommend creating a ExFat partition which can be read and written on by both, Win and Mac Regarding your criticism: just as Mac OS is limited to reading on the recently common Windows file systems, this problem also exists in the other direction.

    Olli Olli 21 1 1 bronze badge.