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lokster

[GUIDE] How to Dual Boot Windows 7 & Mountain Lion with Chameleon Boot loader

81 posts in this topic

This is a guide on how to install windows 7 and Mountain Lion or Lion onto one partition and use the Chameleon GUI boot loader to select which operating system you want. Using EasyBCD is boring and just not customizable

Ive assumed you have a Windows 7 DVD and a Lion/ML Install Disk (iAtkos or U{censored})

Ive personally used Windows 7 Ultimate and iAtkos L2 Lion Install Disk

You need to download a copy of Chameleon Boot loader also

1. Install Windows 7, while in the install phase, Partition 2 disks, 1 for Windows 7 and 1 for Lion

2. After installing windows 7 Insert Mountain Lion and install

3. While in the Install Phase, Create a new partition with the disk utility(the one you didnt use for windows) and format it mac journaled. install Lion and boot to desktop

3a. if you didnt use iAtkos install disk, use chameleon and install it now. it will install as an application.

4. Now you cannot boot into windows 7. No problem

4a. Reboot and insert the windows 7 dvd drive

click next and select repair at the bottom left

Select command prompt and type in

(type and press enter after each line)

Diskpart.exe

list disk

select disk 0 <---normally your 1 disk with two partitions, windows and Mac

list partition <---- if you see 3 DO NOT PANIC, system reserved is where the windows 7 boot location is

select partition <----SELECT the system reserved partition(very important, its around 100mb)

active<----set selected partition as active

exit<----exit the diskpart program

now close the command prompt and repair the computer(1st option)

once repaired you will boot into windows! tadah windows is fixed.

rename your hard drive in my computer to Windows(you will see why later)

but you cant boot back into mac?

once you are back in windows click start>and in the search bar type cmd>enter

type and press enter after each line

diskpart.exe

select disk 0

select partition <-----select MAC partition(it wont show the names but you can differentiate from the sizes of the partition)

active

exit

now restart ANNNNND chameleon should come up with 3 options

system reserved

windows

mac

Press system reserved to boot to windows, and mac to boot to mac

TO FIX it to just TWO options Windows or Mac

DO NOT RENAME SYSTEM RESERVED AT ALL! YOU WILL MESS UP THE BOOTING OF WINDOWS

DO NOT RENAME SYSTEM RESERVED AT ALL! YOU WILL MESS UP THE BOOTING OF WINDOWS

boot to mac

Click mac hard drive on desktop OR finder

>extras>org.chameleon.boot.plist <---copy this file to desktop AND make a back up copy somewhere

EDIT the org.chameleon.boot.plist in the desktop BY right clicking and opening with text edit application

add

<key>Rename Partition</key>

<string>"System Reserved" Windows 7</string>

to hide useless windows 7 hard drive

<key>Hide Partition</key>

<string>"Windows"</string>

once that is done, save it and copy it back to where the original org.chameleon.boot.plist is on. once that is done

REBOOT! and you can down beautifully dual boot and select between windows 7 and Mac Lion/Mountain Lion!

congrats! :eagerness:

Edited by lokster

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what method did you use when you installed mountain lion MBR or GPT ?

how did you get chameleon installed ??

where did you install it and how ??

I hope you can clear those questions

I am stuck at installing chameleon this moment

thanks

can you post some images proofing this method ??

Edited by sniper9911

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installed it as MBR

download chameleon here and just install it as an APP, it comes built in with iAtkos

Either install it after you installed Lion/ML or use the iAtkos build which comes with it pre-built

i will upload screenshots when i can but for now this is how my boot loader looks like after doing everything, also themed it

210842_3539842463976_1595647958_o.jpg

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I know how to make mbr dual boot or more works (this is very easy you know )

I want a guid partitioned hdd dual boot or even just boot with chameleon because you can't set a partition active on it

you need to control it from efi (I mean real guid not a hybird)

I am telling you this because I am planing to triple boot windows 7 , windows 8 when released , and mac os x mountain lion

I was able to install windows 7 and windows 8 cp successfully on a gpt disk and dualboot via windows boot loader

the problem occurs with mac os x :

I install it and boot to it via usb the installer stick

I install chameleon via package installer and then reboot

I expected to reach chameleon bootloader but I reached windows bootloader instead

I want to triple boot from chameleon not from windows bootloader

I would appreciate the help if possible

I am willing to make the efi partition for chameleon only if it is going to boot but I can't make I lt to do that so far

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Thanks for the tutorial

could you explain this line:

rename your hard drive in my computer to Windows(you will see why later)

wouldn't it format my drive?!!!

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Thanks for the tutorial

could you explain this line:

rename your hard drive in my computer to Windows(you will see why later)

wouldn't it format my drive?!!!

no it wouldnt, in windows 7 you see Local Disk C:, long click on that and you will be able to rename the hard drive

I know how to make mbr dual boot or more works (this is very easy you know )

I want a guid partitioned hdd dual boot or even just boot with chameleon because you can't set a partition active on it

you need to control it from efi (I mean real guid not a hybird)

I am telling you this because I am planing to triple boot windows 7 , windows 8 when released , and mac os x mountain lion

I was able to install windows 7 and windows 8 cp successfully on a gpt disk and dualboot via windows boot loader

the problem occurs with mac os x :

I install it and boot to it via usb the installer stick

I install chameleon via package installer and then reboot

I expected to reach chameleon bootloader but I reached windows bootloader instead

I want to triple boot from chameleon not from windows bootloader

I would appreciate the help if possible

I am willing to make the efi partition for chameleon only if it is going to boot but I can't make I lt to do that so far

im not sure how to triple boot using guid partition and having an efi partition.

doesnt setting which partition active in Diskpart.exe work?

installing chameleon on MAC should make that partition active, but check in chameleon, i think there is a way to set which partition is active. I guess my tutorial only applies for people with MBR

Edited by lokster

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