Re: [HQ-A] Disk Utility Problems

[mosslack]

On Nov 18, 2012, at 8:15 PM, Igor Portnoi wrote:

Hello Everyone, I am having a little bit of trouble when trying to install the Mac OS X on my PC (Have Windows 7 in one partition). In Disk Utility when trying to select where to install the OS, I cannot see my main hard drive nor any partitions. I have tried partitioning my hard drive in disk manager making it NTFS Format and even in EaseUS partition master without formatting the partition but whenever i still try to boot Mac OS X from a disk (Snow Leopard) it still cant find any hard drive as if there is no hard drive at all in the computer. Is there any fix for that or did I format the partition the wrong way? Is it some BIOS setting I have to fix? thank you

If Windows is the only OS you've ever had installed, more than likely the partition scheme is MBR (Master Boot Record) and OS X needs a hard drive partitioned as GPT (GUID Partition Table). This can make it difficult at best for Disk Utility to work with the hard drive, or in some cases even see it. 

The recent topic of discussion about AHCI problems also can have a lot to do with whether or not OS X can see a hard drive. More information about the system you are trying to install it on would be helpful, particularly the system board you are using.

From the main system of mosslack...

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[Igor Portnoi]

The system specs are: AMD Sempron 140 processor (SSE 1,2,3,4) 2.70 ghz, 2 gb ram with windows 7 64 bit. I saw videos on YouTube of people being able to do it with an AMD processor its just I don't know exactly how you would convert it from MBR to GUID

[Igor Portnoi]

Ok I watched a video on how to do it in cmd but since I only have 1 disk and 3 volumes on it (windows installed in 1), how would I do it without crashing my whole computer?

[Kris Tilford]

To install OS X you're going to need to be booted from an OS X
installer, not Win7.

First, you'll need to be sure the BIOS of your computer is the most
recent version, and if not, update the BIOS.

You may also want to check the firmware on your DVD drive and upgrade
it if necessary.

Then you'll need an OS X install DVD or USB stick, and you'll want to
change the boot order within your BIOS so that either the DVD or USB
boots first, and then boot from the OS X installer.

Once you've booted the OS X installer, you'll need to open Disk
Utility and "Erase" one of the extra partitions and make sure that the
file system is "HFS Extended (Journaled)". If you don't have a
partition of at least 10-15GB for OS X, you'll need to select the
"Partition" tab and "non-destructively" repartition the HD to preserve
your existing Win7 system, and create a partition large enough for OS
X. Once you've got an HFS+ partition you can close Disk Utility and
proceed to install OS X.

[Igor Portnoi]

Kris the problem is I get through all those steps but in Disk Utility I can't see any Hard drive at all, so its completly empty. As hackintosh1x said I need to somehow convert the hard drive from MBR to GUID which if I do by using CMD the whole windows 7 system will be gone since I have only one Disk with C: and D: on it. I need to know if any of you know any software that can make it into GUID without erasing memory from my C: drive which has windows installed. Does GParted software help with resolving this?

[Kris Tilford]

On Nov 20, 2012, at 8:40 PM, Igor Portnoi wrote:

> Kris the problem is I get through all those steps but in Disk
> Utility I can't see any Hard drive at all, so its completly empty.

If Disk Utility can't see the HD, then your installer DVD is lacking
the correct software for your HD controller chipset. You'll need to
get a new installer DVD from a distro that will recognize your HD
controller. As I said, LeoHazard has the best AMD support AFAIK.
Otherwise, perhaps iATKOS?

[Igor Portnoi]

I tried using LeoHazard, ill try again (using iboot with it), it caused a kernel panic error last time but maybe it was the wrong version, thank you

[u c]

I think the problem is that you originally said his disk was NTSF. You need to get in there with windows or a live boot disk like Gparted and reformat it to FAT. Then you can go in with the OS X installer and format again to GUID and OS X extended (journaled.) Mac won't see NTFS without some tweaks.

[Kris Tilford]

Yes, this would be the problem.

[Kris Tilford]

On Nov 20, 2012, at 7:37 PM, Igor Portnoi wrote:

> The system specs are: AMD Sempron 140 processor (SSE 1,2,3,4) 2.70
> ghz, 2 gb ram with windows 7 64 bit. I saw videos on YouTube of
> people being able to do it with an AMD processor its just I don't
> know exactly how you would convert it from MBR to GUID

For AMD the best distro is LeoHazard AFAIK. I've had best luck with
the 10.6.1/10.6.2 version, but there's a 10.6.6 also. You don't
necessarily need to convert from MBR to GUID, but the OS X partition
will need to be HFS+. I'm pretty certain if you're going to use GUID
you'll have to wipe the entire HD and lose the Win7 installation,
which you can reinstall onto a GUID partition, but this gets tricky
using Chameleon, so you'll probably need to pay close attention to the
installation order, whether Win7 or OS X comes first. I'd probably opt
to leave it MBR and carve out a new partition for OS X using Disk
Utility from a LeoHazard install DVD, then install OS X onto it and
hope it works. If you install MacDrive onto your Win7 installation you
can tweak your OS X system from within Win7.

[mosslack]

Also I believe the OP mentioned that he was booting his distro DVDs via iBoot. This is not necessary and may cause problems also. All of the distros that I know of should boot directly from the DVD.

[Igor Portnoi]

Thanks everyone, I'm trying out everything you guys said, I will tell you how it turns out

[Christian Wacker]

I successfully have gotten OSX installed after Windows was installed, but there are plenty of hoops to jump through.

First: in Windows, open the “run” dialog (Windows Key + R), and type “Diskmgmt.msc” (without quotes). Press enter.

Find your hard disk in the list of disks. There are partitions listed on the top, and physical disks underneath.

Right click your disk’s Largest partition (the biggest bar) and choose “shrink volume”

Shrink your drive’s volume as minimally as possible (It’ll suggest the largest possible amount of disk to shrink) so that you can fit OSX on it. I suggest 30-40GB if you have it available.

Once that is done, you should be able to boot into the OSX install disk and see if Disk Utility sees it.

 

From: hq...@googlegroups.com [mailto:hq...@googlegroups.com] On Behalf Of TKY kim
Sent: Tuesday, December 11, 2012 02:03
To: hq...@googlegroups.com
Subject: [HQ-A] Re: Disk Utility Problems

 

you have Windows 7 already and you want to install Mac OS? I have not used Mac but Mac use different file system from windows. I think you can use a window partition software to create a Mac format partition, here is a partition magic alternative software: http://www.partition-magic.org/

On Monday, November 19, 2012 9:15:53 AM UTC+8, Igor Portnoi wrote:

Hello Everyone, I am having a little bit of trouble when trying to install the Mac OS X on my PC (Have Windows 7 in one partition). In Disk Utility when trying to select where to install the OS, I cannot see my main hard drive nor any partitions. I have tried partitioning my hard drive in disk manager making it NTFS Format and even in EaseUS partition master without formatting the partition but whenever i still try to boot Mac OS X from a disk (Snow Leopard) it still cant find any hard drive as if there is no hard drive at all in the computer. Is there any fix for that or did I format the partition the wrong way? Is it some BIOS setting I have to fix? thank you

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