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Create Windows install disk option in Lion Bootcamp?

am currently running Lion on my late 2010 Macbook Air. The new bootcamp has an option to create windows 7 installation disk from usb and iso. I have both but bootcamp won't let me select that option, any ideas?

http://i.stack.imgur.com/Iw0i6.png

If I go to FAQ on bootcamp support page, it says

Support for the Windows 7 ISO installer Install Windows with an installation disc you provide or, on Mac computers that do not have an optical drive, with a USB flash drive that contains a Windows 7 ISO image downloaded from Microsoft. The Boot Camp Assistant will offer to create this image on supported computers.

Is my MBA not supported by bootcamp assistant to create usb install disk>

MacBook Air, Mac OS X (10.7.2)

Posted on Oct 19, 2011 12:43 AM

Reply
157 replies

Jan 10, 2015 3:23 PM in response to Kapil Choubisa

I am so glad I didn't pay for this stupid Mac. You guys see what's happening here? Apple is disabling features. WHY???????


Anyway this no longer works because when you change the info.plist you are invalidating the code signature. (look at the crash report). Luckily if you read the discussion page before this one you'll see someone figured out a solution. 🙂

Jan 10, 2015 5:29 PM in response to trunolimit

trunolimit wrote:


... but when I boot into windows it says no bootable device. So apple knows that this is an issue and just decided not to give these particular macs the ability to USB bootcamp.

because these Macs came with a built-in Optical drive. Also, M$ did not have a mechanism in place for ISO downloads, but stuck to selling DVDs. 😉


Poor Jobs did his best to kill Optical Media, but Ballmer would not agree. 😁


Even if you can create a USB, this will not work if your Optical drive is non-functional, because BCA uses your Mac's Model Identifier to set the NVRAM.


There are a few Macs between 2011-2012 which have the ability to use either a USB-only or an Optical drive+USB method.

Jan 11, 2015 2:56 AM in response to trunolimit

There are two methods of installing Windows on a Mac.


1. Hybrid MBR and Legacy BIOS mode.

a. This requires your hardware to be the same as your original configuration. Replacing Optical drives with SSDs and moving HDD to

the OD slot negates this.

b. Modifying BC info.plist allows the creation of a USB, but does not address this or a failed Optical drive, and cannot change the

behavior of BCA and its boot logic settings in NVRAM. No amount of modifications will help this situation.

c. If you use BCA and use the USB route and start the EFI installer, it will complain about MBR vs GPT. If the MBR is deleted with Gdisk,

and Windows is installed, GPU and Audio driver issues await such a misguided soul.

2. EFI Mode.

a. Fully supported by W8, W7 has some limitations.

b. Requires a pure GPT-only disk, which BCA does not create/manage.

c. The disk layout is completely different. This includes a MSR (Microsoft System Reserved) and MSD (Microsoft System Data or Basic

Data) component.

d. This requires a Late 2013+ Mac which is UEFI-compliant.

Older Macs use EFI 1.1 (also called Legacy EFI as compared to Legacy BIOS).


None of this is documented anywhere but has been analyzed and debated ad infinitium ad nauseam. No amount of modifications can change BCA logic, which is Apple Proprietary.

Jan 11, 2015 8:03 AM in response to Joel Gillman

I Have an early 2011 MBP. So all hope is lost? I really don't care about GPU and audio. I just need windows to run some windows only wifi packet sniffing software. The software needs the ability to access the raw read mode of the wifi card so virtualization won't work i assume. And what do you mean by swapping the disc drive with an ssd? I can do that? I'd love to add some extra storage to my MBP

Jan 11, 2015 9:05 AM in response to trunolimit

trunolimit wrote:


I Have an early 2011 MBP. So all hope is lost?

No. Is your built-in Optical Drive functional? You should have one based on original configurations as specified in

MacBook Pro (17-inch, Early 2011) - Technical Specifications

MacBook Pro (15-inch, Early 2011) - Technical Specifications

MacBook Pro (13-inch, Early 2011) - Technical Specifications

And what do you mean by swapping the disc drive with an ssd? I can do that? I'd love to add some extra storage to my MBP

You may be better off replacing the internal disk with a larger disk, rather than replacing the Optical drive with a SSD/HDD?


Although, there are kits available, for example, https://eshop.macsales.com/shop/drive_bracket/datadoubler/ which work with various Macs for OD-to-Disk replacement.

Jan 11, 2015 10:30 AM in response to Loner T

I think my drive is functional, I've never used it. This Mac is a hand-me-down and was all beaten up. I replaced the screen glass, HDD, and the display cable. This poor thing wouldn't even boot into OSX when I got it.


Those HDD kits look awesome. That is so going to be my next project. OK then I'll just have to burn the iso to a disc. For now I'll just get me some of that there parallel.

Jan 11, 2015 10:34 AM in response to trunolimit

trunolimit wrote:


I think my drive is functional, I've never used it. This Mac is a hand-me-down and was all beaten up. I replaced the screen glass, HDD, and the display cable. This poor thing wouldn't even boot into OSX when I got it.

Thank you for rescuing a Mac. 😉 . Try playing a DVD-Video in the Optical drive to check if it works.

Jan 15, 2015 2:37 PM in response to Loner T

Yeah i saw that but the problem is dragging. Right now on the mac I can click on something then use my second finger to drag. I can also use the double finger tap as a right click. However, windows only lets you do one or the other. If I'm dragging something and my second finger hits the pad it'll stop dragging and it will initiate a right click.


It's not a big deal I'm just happy it's working. The gestures I didn't bother looking to much into. That I will work on.

Create Windows install disk option in Lion Bootcamp?

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