Partitioning secondary disk drive to install Snow Leopard OS X using a disk image.

Hello,
I had originally bought Snow Leopard OS X with a family licence. I installed it on my computer and then gave the disc to my cousin for him to install. Knowing he wasn't the best at returning things, I looked up how to create a disk image file from the Snow Leopard disc for extra precaution. As it turned out, I did not get the disk back, but I have the disk image saved to an external hard drive and burnt to a DL-DVD. I recently upgraded to Lion 10.7 but due to some compatibility issues (mainly Pro Tools) I wanted to partition a disk drive on my MacBook Pro's internal hard drive and designate it to Snow Leopard, to use when I run into a compatibility issue with Lion. As mentioned, I have a working DVD and .dmg of the Snow Leopard OS X, and have partitioned a 25GB drive for the install. However, I'm not completely sure where to go from there. I can the partitioned disk mounted on my desktop but I can not see it from "Startup Disk" nor using the "command R" keystroke at boot-up, only my primary disk drive. If anyone can give me some guidance or direct me to a link on this topic it would be greatly appreciated. I don't think it's very complicated, but this is my first time on these forums and the amount of information on here can get overwhelming for a new guy.
Thanks,
Chris

I've tried holding the C key during startup but that doesn't do anything, it just brings me to the regular start up screen and for some reason when I hold down the ALT key with the DVD inserted the only disk drives available are my system HD and "Recovery HD". I'm not sure why that is, I also have the disk image file saved to my computer. I read that using Disk Utility I can use the recovery option with the SL disc image as the "Source" and the partition as the "Destination" but when I did this, on reboot I got a 3-beep error sound. I'm not sure what the problem is but from my understanding it should be working. Maybe I didn't do something right when I backed up the SL disc but the files open on my system disk drive fine. I heard Apple will send you another disc if it's lost or damaged, I may just do that for safety's sake if there's nothing else.

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I have been an Apple fan since the first Mac in 1984 and have used every version of the OS since then. Until Lion, I thought each was an improvement on the previous. I have had so many random and annoying problems since installing Lion on my (early 2011) MBP with 8 GB of RAM that I thought I'd make a separate partition on my HD and install Snow Leopard there, gradually moving back to that version. I tried disk utilities first, but the mount point for that partition was /Volumes, not root (/). I then tried Boot Camp, and succeeded in making a partition that mounts at root, I reformatted it with disk utilities (to MacOS HFS with journaling), but the Snow Leopard install DVD cannot find this. Stuck!
Btw, the most recent Lion OOPS! was that Address Book refused to start on my user space. I tried from another user and it worked there, but not on my home user. After trying everything I could think of, I finally booted in safe mode, and then Address Book worked. When I rebooted normally, Address Book still worked. Go figure!

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That's interesting...I guess I'd better go fix it!
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I learn a lot from doing pro bono sites for friends...I guess you can tell
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Thanks, Nadia!
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Mac Pro not Detecting Bootable USB Drive to Install Snow Leopard 10.6

Hi
I have to Mac Pro 2 x 2.8 GHz Intel Xeon. I have been running Leopard on them. I wish to install snow leopard, so i took out my USB HDD where I have made a Bootable Partition with snow leopard. I have used this in the past on all my machines to install snow leopard. Now when I try to install Snow Leopard from this on my mac pro, it does not detect in the "Option Boot" start up menu, it only shows my leopard disk. If I got to start up disk in system preference, then it shows my Snow Leopard disk, but when i select that as start up, it still boots to my Leopard..
Since I am doing a fresh Install , I have another HDD installed, formatted for snow leopard. When I launch snow leopard installer from Leopard and select install in the new drive, it does some installation , but when restarting it goes to my leopard again.
This is the case on both the Mac Pro;s, but not on my laptops, I tried on my air and my macbook pro, and my friends mac book pro, it instantly boots up to the usb drive with snow leopard.
So is there anything im missing ? Or is there something wrong with my Mac Pro's?
I dont have the snow leopard DVD, else I would have tried that too..
Please advice asap!!
Thanks
Sa1

Hey
Thanks for the reply!
I have two USB HDD, with the copy from snow leopard dvd, and both are formatted in GUID, they work fine on my laptops and even the old mac mini, just not working on two identical Mac Pros.. Its very strange, as it keeps booting to leopard, and if I remove leopard Disk, and just put the new one and connect the USB dive, its shows a folder with a "?" mark sign!
And the USB just works fine after its booted to leopard, it even starts installing snow leopard to the disk i assign, but it does not complete the installation as it boots to main leopard drive..
I have tried to reset PRAM on both machine, I have changed usb slot..
I dont know what to do!

"Clean Install" Snow Leopard on Tiger using 30 eur DVD. Legal or not?

Hi!
I have two questions:
1). Is it possible to use the "cheap" 30 euro DVD to "clean install" Snow Leopard on 5yrs old MacBook running Tiger?
By "clean install" I mean to erase the hard drive and then install the new operating system (Snow Leopard).
I have read that is possible technically but is it legal?
2). Is "Clean Install" and "Upgrading" similar or different from a legal point of view?
A clean install is when you erase your hard drive and then install the operating system. An upgrade is when you just overwrite the operating system and keep other files in place.
Thanks,
D.M.

1. Yes.
2. They are different. The former requires first erasing the drive while the latter upgrades an existing system.

After installing Snow Leopard problems with using any of my Helvetica fonts

I've never really have a problem with any of apple's products until now.
After installing Snow Leopard I've found problems with using any of my Helvetica fonts,
which is a BIG problem if you work in DTP or print. You CAN'T remove the system version of Helvetica, and replace it with your own anymore.
Also Flash CS4 seems to be a dead duck, as after about 5-6 seconds of loading the program it crashes with a "KERNPROTECTIONFAILURE".
<title edited by host>

Thanks Tom but the original post title was "Work in DTP, don't install snow leopard", but of course apple were unhappy with the title. I know the issue/problem has been discussed for months, the real problem is that it shouldn't be a problem which everyone has to find work arounds for.
After 4 days of playing about, I've finally got flash CS4 working and Quarkxpress was also a big problem for a few months. Printer description (PPD) files which snow leopard doesn't like, but worked in tiger & leopard.....means I can't use my two A3 inkjets for proofing anymore.
I'm just disappointed by snow leopard

"GUID partition table scheme" Can't install snow leopard on my mbp.

I have a mbp that is partitioned as half mac, half XP. I put in the snow leopard CD and came up with an error that said I could not istall snow leopard because my partition did not fit the "GUID partition table scheme". I followed the menues to the partition section of the disk utility. From there, I don't know what to do. I can't click on the "options" button to change to the GUILD thing. Do I need to repartition my entire mbp? Will this erase my other partition? And will it delete all my data? Any suggestions on what to do???

GUID partition table (GPT) or map is a set of instructions at the very begining of a storage drive to tell the hardware what partitions and formats are where on the drive.
A Intel Mac now requires a GPT to boot OS X as it uses EFI (Extensible Firmware Interface) which is a software firmware in a hidden EFI partition on the boot drive designed originally for copy protection by Intel. EFI loads into memory before OS X does, which can be seen if you have verbose mode activated upon boot time.
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Since a partition map is basically road directions, when it's destroyed so does go the partitions.
Also since you will be fresh installing 10.6, your free iLife won't tag along,, however you can erase/install 10.5 first then upgrade to 10.6 (no BootCamp) and that shoudl work.
Unfortunatly Mac's only now support Windows 7 in Bootcamp, however Windows 7 Pro (and above) will run XP programs natively or via free virtual machine XP downloaded from Microsoft, however since it's really not native, 3D games etc likely won't run very well.
If your not familiar or willing to take a chance, then I suggest you have someone else upgrade that machine.
https://discussions.apple.com/community/notebooks/macbook_pro?view=documents

Can I reformat and partition a new internal hard drive with the Snow Leopard disk?

I'm planning on installing a new internal hard drive in my 15'' Macbook Pro. Can I format and partition the new drive with the Snow Leopard disk or is it just an upgrade from Leopard? Thanks much.

You should be able to do that.
If you want to change the sizes of existing partitions this may help:
Enlarging a partition

Install Snow Leopard on External FW Drive

Snow Leopard will only install on a GUID partition. I usually have two or three separate volumes on my external drive. If I partition my drive prior to Snow Leopard installation, the scheme is Apple partition map and I cannot install Snow Leopard on any volume. So I assume in order to do an install of Leopard, I must install to a single GUID partition because it seems there is no option to make any of the volumes a GUID partition. Am I correct? On this particular drive, I wanted to have a bootable clone
of my MacBook Pro HD, a bootable disk image of my Snow Leopard Install Disk, and a third scratch volume for temporary video storage. What would be my strategy be to accomplish this?

Tom Dignam wrote:
Snow Leopard will only install on a GUID partition. I usually have two or three separate volumes on my external drive. If I partition my drive prior to Snow Leopard installation, the scheme is Apple partition map and I cannot install Snow Leopard on any volume. So I assume in order to do an install of Leopard, I must install to a single GUID partition because it seems there is no option to make any of the volumes a GUID partition. Am I correct?
no you can have any number of volumes on a GUID partitioned drive.
select the whole drive (model, not name) in disk utility. click on the partition tab. set the number of partitions to 3 (or whatever), click on options and select GUID. set the formats for each partition, adjust the relative sizes and hit "apply".
On this particular drive, I wanted to have a bootable clone
of my MacBook Pro HD, a bootable disk image of my Snow Leopard Install Disk, and a third scratch volume for temporary video storage. What would be my strategy be to accomplish this?
this will work just fine once you reformat the drive as above.

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How to Install OS X Updates Successfully
A. Repair the Hard Drive and Permissions:
Boot from your current Leopard installer DVD. After the installer loads select your language and click on the Continue button. Then select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer. Now restart normally.
If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger) and/or TechTool Pro (4.5.2 for Tiger) to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
B. Make a Bootable Backup Using Restore Option of Disk Utility:
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
Destination means the external backup drive. Source means the internal startup drive.
C. Important: Please read before installing:
If you have a FireWire hard drive connected, disconnect it before installing the update unless you will boot from this drive and install the update on it. Reconnect it and turn it back on after installation is complete and you've restarted.
You may experience unexpected results if you have installed third-party system software modifications, or if you have modified the operating system through other means. (This does not apply to normal application software installation.)
The installation process should not be interrupted. If a power outage or other interruption occurs during installation, use the standalone installer (see below) from Apple Downloads to update. While the installation is in progress do not use the computer.
D. To upgrade:
Insert the USB flash drive.
Restart the computer.
Immediately after the chime press and hold down the "OPTION" key.
Release the key when the boot manager screen appears.
Select the icon of the USB flash drive and click on the arrow button below the icon.
When the installer finishes loading follow the onscreen instructions.

External Combo Drive doesn't work after installing Snow Leopard

This Mini was bought used with a defective combo drive. I purchased a "No-Brand" external Combo Drive (USB connected and powered) off eBay. Everything worked fine under Leopard. I used the external drive to install Snow leopard but could not eject the DVD at the completion of the installation process. I manually ejected the DVD and discovered the external drive now doesn't work with either DVD's or CD"s.
Any ideas what the problem is?
Ken

Mark this up to "cockpit' trouble on my part. The external combo drive now works.

Can I install Snow Leopard over Lion to install old software after hard drive crashed?

My hard drive crashed and I lost everything. I have a new hard drive, but when the repair shop installed my operating system, they installed Lion and I no longer have my prior updates. My computer had been updated a few times. I have a lot of software that only can be installed up to 10.7 such as Adobe Photoshop Elements 10, Office Mac 2011, etc. I was wondering if I installed Snow Leopard over Lion, would I lose Lion? Should I install Snow Leopard and then Lion again? I don't want to damage my like new computer and I don't want to have to go out and buy all new software. Is there a solution? Thanks in advance!

Sounds complicated! If I repartition the drive and install Snow Leopard onto the blank volume, will Lion still be there? Or, will the computer basically have two operating systems that I have to go back and forth from. Is this something a novice like myself can do?

How do I switch from Mountain Lion to Snow Leopard? New used computer that I don't have anything on yet but has Mountain Lion installed.

I just puchased a used 2008 MacPro 2.8 ghz 8 core and it has Mountain Lion installed on it. I want to go back to Snow Leopard because it is a better stable OS for using Final Cut Pro 7. I just bought the Snow Leopard Discs to install. I need to erase the hard drive and install Snow Leopard. Any help on how
to do this? Thank you.

Downgrade Lion/Mountain Lion to Snow Leopard
1. Boot from your Snow Leopard Installer Disc. After the installer
      loads select your language and click on the Continue
      button. When the menu bar appears select Disk Utility from the
      Utilities menu.
2. After DU loads select your hard drive (this is the entry with the
      mfgr.'s ID and size) from the left side list. Note the SMART status
      of the drive in DU's status area. If it does not say "Verified" then
      the drive is failing or has failed and will need replacing. SMART
      info will not be reported on external drives. Otherwise, click on
      the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions
      from the drop down menu to one. Set the format type to Mac OS
      Extended (Journaled.) Click on the Options button, set the
      partition scheme to GUID then click on the OK button. Click on
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4. Quit DU and return to the installer. Install Snow Leopard.
This will erase the whole drive so be sure to backup your files if you don't have a backup already. If you have performed a TM backup using Lion be aware that you cannot restore from that backup in Snow Leopard (see below.) I suggest you make a separate backup using Carbon Copy Cloner.
If you have Snow Leopard Time Machine backups made while on Snow Leopard, then you may do a full system restore per #14 in Time Machine - Frequently Asked Questions. If you have subsequent backups from Lion, you can restore newer items selectively, via the "Star Wars" display, per #15 there, but be careful; some Snow Leopard apps may not work with the Lion/Mountain Lion files.

Error message when trying to install snow leopard

Hello,
I just tried to install snow leopard version 10.6 and get an error message mid installation that kicks the cd out of the drive and stalls. I can't complete the installation. I have a macbook pro 1,1 with 1.83 ghz processor with 1gb of ram and 25 gb of harddrive space left. i currently have version 10.4.11. any ideas about why this is happening or how to trouble shoot?

See the following:
How to Install OS X Updates Successfully
A. Repair the Hard Drive and Permissions:
Boot from your current OS X Installer disc. After the installer loads select your language and click on the Continue button. Then select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer. Now restart normally.
If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger) and/or TechTool Pro (4.5.2 for Tiger) to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
B. Make a Bootable Backup Using Restore Option of Disk Utility:
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
Destination means the external backup drive. Source means the internal startup drive.
C. Important: Please read before installing:
If you have a FireWire hard drive connected, disconnect it before installing the update unless you will boot from this drive and install the update on it. Reconnect it and turn it back on after installation is complete and you've restarted.
You may experience unexpected results if you have installed third-party system software modifications, or if you have modified the operating system through other means. (This does not apply to normal application software installation.)
The installation process should not be interrupted. If a power outage or other interruption occurs during installation, use the standalone installer (see below) from Apple Downloads to update. While the installation is in progress do not use the computer.
D. To upgrade:
Purchase the Snow Leopard Retail DVD.
Boot From The OS X Installer Disc:
Insert OS X Installer Disc into the optical drive.
Restart the computer.
Immediately after the chime press and hold down the "C" key.
Release the key when the spinning gear below the dark gray Apple logo appears.
Wait for installer to finish loading.
E. If updating:
Download and install update(s)
Use Software Update, or
Download standalone updater(s).
I suggest you backup your Tiger system, then boot from the Snow Leopard DVD, use Disk Utility to erase your hard drive, then install Snow Leopard. You can then selectively restore your files from your backup. To make this process easy be sure to create your new Snow Leopard user account with the same username that you have for your Tiger account. Any third-party software that you have you should reinstall rather than trying to copy from the Tiger backup.

How do I install Snow Leopard using another computer?

My 2009 MacBook meets all the criteria for the Snow Leopard upgrade, but my dvd drive is broken. Every time insert the dvd it is spit out (it is the same for audio cd's as well). I have tried repairing the drive and installing snow leopard using an external dvd drive (with no luck). I need a simple guide for using another computer to do the upgrade. My boyfriend has a newer MacBook Pro and I believe is operating on Lion. I want to use his computer to upgrade mine, is it possible eventhough we are on different operating systems?

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Insert a retail DVD, restart with the C key held down, use the Disk Utility to erase the internal drive, and install Snow Leopard.
While the retail DVD can be used to create a fully functional OS, it can’t perform a true factory restore; it won’t install any of the iLife applications.
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Partitioning secondary disk drive to install Snow Leopard OS X using a disk image.

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