Leopard Installation Options-

I'm curious as to how the 'Upgrade' option works.
I've searched online, and all I've fond is this one article posted on a number of sites – it claims that upgrading 'tweeks' the OS, changing only the newer files. But on one site, a user claimed the upgrade option words much like an 'Achieve and Install' – whereby the old OS is completely removed rather than stored away.
Also, let's say if we were to install Leopard from scratch, but wanted a Time Machine drive to continue to back it up as the same computer it was before – what would we need to change in order for it to do that? Time Machine is built to support multiple computers on a single drive, so would we need to continue that? The computer name? Or is it something more, something that one might not be able to change?
Thanks for the help!

See Mac OS X 10.4, 10.5- About installation options.

Similar Messages

Lost applications due to "Erase and Install" option in Leopard Installation

I bought a new Macbook this morning at my local Apple Store, and they gave me a Macbook running Tiger as well as a Leopard Installation Disk. I wanted my Macbook to be just like new, so I called Apple Support and they told me to do an "Erase and Install." After I followed their directions and was finally running Leopard, I noticed that I lost programs: Garageband, iPhoto, and iMovie to name a few.
How can I get these applications back?
And it is absolutely ridiculous if I have to buy iLife '08 because I had these programs already on my computer with Mac OSX Tiger before Apple told me to "Erase and Install."
p.s. I received 2 other disks that seem to be of no help...2 Tiger Installation disks.

Ok if you purchased a new macbook reload the original os x tiger restore cd's you have to hold the c key at startup to boot from it format and reinstall mac os x tiger then once os x tiger is installed update to the latest version of tiger first then connect a external hard drive and use carbon copy cloner to backup your hard drive the reason for this is when you upgrade from tiger to leopard the os has a high tendency to remove the idvd and garageband content so none of your ilife apps will function after the upgrade this is why you need the external with it the first time you install mac os x leopard it will ask do you want to transfer your settings from another partition on this mac select this option and select the external and everything will be fine

I think I chose the wrong Installation Option - Now what???

I installed Leopard right when it came out and love the new OS. But, at the time I did not know what the various installation options meant or implicated. So, I chose the first/default "Upgrade OSX" option.
Now, I have not been having any specific problems, but I think my computer should be faster when loading certain apps and toggling around between spaces, dashboard, and multitasking. The more I read about the installation options, I feel that my mac would run better if I reinstalled Leopard using another installation option, like Archive and Install.
Is this a true concern? Should I reinstall using another option to operate at full potential? How do I go about doing that... same as before? Any help or suggestions is appreciated.
Phil

Hi Phil Mutz;
So far I have used Upgrade to install Leopard on five Macs, two of my own and three for friends. So far all of them are all operating just as they were with Tiger. From my experiences with Leopard, I suspect that your problem is elsewhere on your system rather then how you installed Leopard.
Allan

Leopard installation hard drive issues

I recently bought a iBook G4 (2005 model) on eBay under the impression it was just missing an OS. Armed with a copy of Leopard (yes I bought it ) I tried to boot it up for the first time.
The first time I was faced with the Open Firmware screen, and errors that seemed consistnat with a faulty airport connection. I took it all apart and removed the airport card, then while booting I pressed Option to get the list of boot options. Booted to the Leopard DVD and after a disk check it seemed like it was working fine.
However just as it was about to begin the actual install process it cacked out with a massive Installation Failed! message. The install log said the error "Could not unmount" was to be blamed. Tried using the disk utility to verify the drives but it spent ages doing nothing. Repair wouldnt work and neither would erase, they gave me the same issue.
So that was it for the night. Gave up to try another day. Next morning trying to do the same thing after changing nothing, I was faced with the "You must restart your computer" message just after the language select screen on the install DVD. Why did this suddently change?
Took the harddrive out to check the connection was ok, seemed fine so put it back (didnt get the chance to plug it into my pc like I hoped, was missing the right adapter). Now with everything back in place, if I press Option on boot I dont even get a list of harddrives/cd drives anymore... just the two arrows and other than that a blank screen.
If I try to hold C while I boot to go straight to the disk then it shows the white loading page with the apple logo, but after an hour it hadnt moved on from there. The whole time the hard drive is making a loud clicking noise.
It seems each move I make I go backwards a little. Who has some suggestions that dont involve paying a spotty berk in the local shop $300 just so he can crack open Google, find this support post and fix it for me at a profit
I believe the HDD may be fried, but dont know how to check. It seemed to recognize it in the Disk Utility the time I got that far, but dont know why it no longer recognizes it.
Message was edited by: pjsturgeon

For us it was Versions cannot be switched off (decreases security). No "Save As" in many Apps, no Bounce in Mail. 10.7 felt “dumbed down” to us. We will try later, (10.8 maybe).
This is what we did in our office, from Kappy:
To switch from 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 the Partition button and wait until the process has completed.
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 3.4.1.
If you have Snow Leopard Time Machine backups, 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 files.

I have an old powerPC G4. dual 867 512 MB. my optical drive is having trouble reading my leopard installer. I was going to try to use remote install but i don't have a network where I can connect both the mac and the windows laptop. any suggestions?

I'm just trying to revive my old PowerPC G4/ dual 867MHz 512MB. Unfortunately I am unable to install from disc since my optical drive, although still working, is somehow not able to read the leopard installer. I wanted to try the remote install option but have limited resources and don't have a network where I can have both the Mac desktop and windows laptop communicate. I read somewhere that I can use a crossover cable to connect the two directly. I'm still trying to see if I can get an external DVD-ROM as another option. Any suggestions?

Your Mac doesn't need a crossover cable, it auto-switches...
http://support.apple.com/kb/HT2274
But I have no idea how that will help you install from a Windows computer.
If you get an external DVD drive it needs to be Firewire & Mac bootable.
Other solution...
http://support.apple.com/kb/HT2274

Mac OS X Leopard installation disc after I install Windows Vista

Hi everyone! Do I need to put my Mac OS X Leopard installation disc after I install Windows Vista? I try to run the windows without install Mac-specific driver for windows but it restarted and back to Mac OS. The frustrated thing is I did not bring my Mac OS with me. Anyone has any solution? Or how can i request a installation disk from Apple? Thank you!

Hi everyone! Do I need to put my Mac OS X Leopard installation disc after I install Windows Vista? I try to run the windows without install Mac-specific driver for windows but it restarted and back to Mac OS. The frustrated thing is I did not bring my Mac OS with me. Anyone has any solution? Or how can i request a installation disk from Apple? Thank you!
Yes you will need to install the apple drivers for win vista. When you boot from a cold start, have you tried holding down the option key to choose which OS to boot from? If you have then, you could try going into startup options from the mac side and choose win vista if it appears. That could be risky though, as you mentioned you do not have the mac install disk. If problems arise you may need the mac install disk to undo the changes.

Failed Leopard Installation, now Tiger wont boot

I recently tried to install Leopard onto my MacBook and during installation an error message came up talking about running a preupgrade script and it told me to contact tech support. so i tried to quit the installation and reboot normally but when I clicked on Quit Installation the spinning pinwheel came up and stayed like that for over an hour. So I restarted with the power button.
It started to load like normal (the chime, gray screen w/apple, etc.) but then it went to a black screen with white text where you enter commands (reminds me of MS DOS). What do I do? I need any help I can get! Thanks.

Scott,
thank you so much for your help. but looks like it is my HD afterall ):
...somehow leopard installation revealed a "boot" problem....or created it?
as an alternative to getting the install disc in: Applecare told me to hold option key down after turning on the mac, mac HD symbol did appear so then I could insert the install disc, selected it and went to disk utilities:
He suggested I partition the drive first, to repartition it back together later, before trying a last resort of zeroing the drive which would take a long time.
When partitioning failed because it said "resource busy" and then first attempt to erase HD selecting the one with numbers failed with the same "resource busy" 3rd attempt to erase Mac HD did work.
however this tier 2 applecore person was concerned that even if I zeroed the drive there was something wrong with my "boot" and then after confirming with me I didn't have boot camp installed, told me my Macbook pro needed to be sent in for the HD to be replaced.
since having enough GB is my main problem (with final cut installed) I have a related question:
To add GB with a new HD? since mine is only a 100 GB?
I was told authorized apple dealer can do this (but not apple) and applecare will still cover me (except for the bigger HD itself)
do you think it advisable to go for more GB?
for the next 2 months, I need my macbookpro for work so I am tempted to let apple replace this 100gb HD and do it later when I am going on vacation
Also JUST TO BE ABSOLUTELY SURE this leopard works and there aren't any other problems with my laptop and apple can't blame me and my buying a new bigger HD...
(: silver lining is that now apple will install leopard for me! yeah I think!
do I want this leopard afterall? or wait for a cheta or whatever is next!
thanks again!

Computer won't start properly after Leopard installation attempt

Yesterday I tried to install Leopard 10.5.6 on my G5 (currently running Tiger 10.4.11) and ran into a ton of problems. First, a message came up preventing me from upgrading without erasing my hard drive. I decided to quit the installer and back up my drive before erasing it, but after trying to start up again on my main disk, the computer will no longer get past the Apple logo screen. It stays that way for several minutes, and the computer revs and revs until it's at max RPM, then the computer just shuts off. I can't access my data to back it up.
I did some internet research and tried started up from the install DVD again (which still works) and tried to repair my disk using Disk Utility. This didn't work and an error message came up: "Attempted to Repair Disk, attempt failed. Invalid Node Structure, Volume Check Failed. Error: The underlying task reported failure on exit."
If anyone has any advice I would be VERY grateful, I am hoping to not have to have the computer repaired as I already have my other Mac out of service as well and the cost of repair has been high. I need to back up some important files before I update to Leopard, is there any way to do this while starting up from the DVD since my Startup disk doesn't work now? What happened??!!!

Is it possible that the piece stuck in the audio jack has resulted in turning off the internal speakers?
I would say that the Leopard installation is not 100%. Sometimes this happens. Or you may have a piece of software installed that mutes the speakers, and it needs to disable that. If it's not the latter, then I would erase the hard drive and reinstall from scratch. If that's not feasible then you can do the following:
How to Perform an Archive and Install
An Archive and Install will NOT erase your hard drive, but you must have sufficient free space for a second OS X installation which could be from 3-9 GBs depending upon the version of OS X and selected installation options. The free space requirement is over and above normal free space requirements which should be at least 6-10 GBs. Read all the linked references carefully before proceeding.
1. Be sure to use Disk Utility first to repair the disk before performing the Archive and Install.
Repairing the Hard Drive and Permissions
Boot from your OS X 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 Installer menu (Utilities menu for Tiger.) 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, then quit DU and return to the installer.
2. Do not proceed with an Archive and Install if DU reports errors it cannot fix. In that case use Disk Warrior and/or TechTool Pro to repair the hard drive. If neither can repair the drive, then you will have to erase the drive and reinstall from scratch.
3. Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When you reach the screen to select a destination drive click once on the destination drive then click on the Option button. Select the Archive and Install option. You have an option to preserve users and network preferences. Only select this option if you are sure you have no corrupted files in your user accounts. Otherwise leave this option unchecked. Click on the OK button and continue with the OS X Installation.
4. Upon completion of the Archive and Install you will have a Previous System Folder in the root directory. You should retain the PSF until you are sure you do not need to manually transfer any items from the PSF to your newly installed system.
5. After moving any items you want to keep from the PSF you should delete it. You can back it up if you prefer, but you must delete it from the hard drive.
6. You can now download a Combo Updater directly from Apple's download site to update your new system to the desired version as well as install any security or other updates. You can also do this using Software Update.

Best installation option

I'm a little late to jump on the train for upgrading to leopard, but I decided now was a pretty good time (since I can get 10.5.XX and 10.6.XX for less than the iLife/iWork package due to a school discount).So within the next week or two I plan to upgrade from OS X Tiger to OS X Leopard, but am unsure which option is best suited for me.
I know there are three options: Upgrade, Archive and Install, and Erase and Install, but I'm unsure which is the best option.
I have an external harddrive that I have all my documents and music, which is mostly all I keep on my laptop, aside from some third party apps.
i was wondering what some people have found most beneficial, it would seem that archive and install is pretty popular, but my MacBook Pro only has an 80G harddrive, and I've used 29.52G of it, so i'm not sure if I would have enough HD space to do an archive and install. With that being the case, I've been leaning towards and erase and install.
But what do you guys think is the best approach?
Thanks.
Tony

If you don't want to erase your hard drive then the safest option is an Archive and Install. You obviously have more than enough free space on your hard drive to do so. See the following:
How to Perform an Archive and Install
An Archive and Install will NOT erase your hard drive, but you must have sufficient free space for a second OS X installation which could be from 3-9 GBs depending upon the version of OS X and selected installation options. The free space requirement is over and above normal free space requirements which should be at least 6-10 GBs. Read all the linked references carefully before proceeding.
1. Be sure to use Disk Utility first to repair the disk before performing the Archive and Install.
Repairing the Hard Drive and Permissions
Boot from your OS X 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 Installer menu (Utilities menu for Tiger.) 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, then quit DU and return to the installer.
2. Do not proceed with an Archive and Install if DU reports errors it cannot fix. In that case use Disk Warrior and/or TechTool Pro to repair the hard drive. If neither can repair the drive, then you will have to erase the drive and reinstall from scratch.
3. Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When you reach the screen to select a destination drive click once on the destination drive then click on the Option button. Select the Archive and Install option. You have an option to preserve users and network preferences. Only select this option if you are sure you have no corrupted files in your user accounts. Otherwise leave this option unchecked. Click on the OK button and continue with the OS X Installation.
4. Upon completion of the Archive and Install you will have a Previous System Folder in the root directory. You should retain the PSF until you are sure you do not need to manually transfer any items from the PSF to your newly installed system.
5. After moving any items you want to keep from the PSF you should delete it. You can back it up if you prefer, but you must delete it from the hard drive.
6. You can now download a Combo Updater directly from Apple's download site to update your new system to the desired version as well as install any security or other updates. You can also do this using Software Update.

De-authorize Snow Leopard installation

I'm selling my old MacBook Pro, and I have a licensed copy of Snow Leopard on it. I'd like to de-authorize it prior to selling. My Snow Leopard installation CD is a 5-copy (family) version. How do I gain the authorization back? Thanks in advance.
Frank

There is no "authorization", per se. Since you have a family pack and hence can't provide a copy of SL to the new owner with the MacBook, you'll want to use the system installation disks that came with the MBP to erase the drive (highly recommended anyway, and I'd suggest going to the Security Options in Disk Utility and choosing the "Zero Out Data" option when you erase the drive) and reinstalling the original OS version.
Regards.

Netinstall Leopard Installer DVD with iLife 08

Has anyone been able to use the leopard installer dvd and ilife 08 installer dvd to create a netinstall image to update machines through netboot?
I am trying now, but the iLife install never installs! I'm not sure why, but I can get other packages I made to install. Same for most of the updates from apple. I want to install them, but they don't.
Any help appreciated.

Hi Grand, I maybe able to provide some light to your situation:
I too just bought my iMac recently and due to its shipment, the iMac comes installed with Mac OS 10.4 Tiger with iLife 08, that all comes in the Install DVDs that came with the iMac. In it is also an Upgrade Leopard DVD 10.5, this is just the Leopard Upgrade.
You have to upgrade to Leopard using this Upgrade DVD and then you will get Leopard and also iLife 08, which was already previously installed. My initial mistake when I open up my iMac was to immediately do a total Erase and Install of my iMac with the Leopard Upgrade DVD, then I realized it was an upgrade and because I did an Erase and Install, iLife 08 was "wiped off". (iLife 08 was in fact pre-installed together with the Tiger OS) so later I had to again erase and install Tiger, then just choose the Upgrade option in the Leopard DVD.
Maybe yours is the same case as I am??
Cheers

Snow Leopard Installation and Upgrade Tips

Disclaimer: Apple does not necessarily endorse any suggestions, solutions, or third-party software products that may be mentioned in the topic below. Apple encourages you to first seek a solution at Apple Support. The following links are provided as is, with no guarantee of the effectiveness or reliability of the information. Apple does not guarantee that these links will be maintained or functional at any given time. Use the information below at your own discretion.
Some things to know when planning to upgrade to Snow Leopard:
General Information
• Snow Leopard will only run on a Mac with an Intel processor. It will not run on any Mac with a PowerPC processor. PowerPC-based Macs include all PowerMac G3s, PowerMac G4s and PowerMac G5s, iMac G3s, iMac G4s, iMac G5s, all PowerBooks, all iBooks, and all eMacs. There is no workaround or hack that will get around this issue and get Snow Leopard to install and run on a PowerPC-based Mac.
• An Apple web page with the major enhancements and refinements in Snow Leopard can be found here:
http://www.apple.com/macosx/refinements/enhancements-refinements.html
• An article with a useful summary about Snow Leopard and 64-bit computing can be found here:
http://www.macfixit.com/article.php?story=20090826074252596
Tips
• IMPORTANT: As with any upgrade, you need to confirm compatibility of all your applications and drivers with Snow Leopard before you upgrade. Some major items of note:
Snow Leopard only ships with Java 1.6, so any applications built with Java must include support for 1.6 or the application will fail. Applications that currently use Java and are reported not to work include (but are by no means limited to) SPSS, ClamXav and Cyberduck.
Snow Leopard has severely restricted or in many cases eliminated the use of Input Managers, so applications that depended on those will fail. Logitech's mouse drivers appear to fall into this category.
Many applications that are or include menu bar components will fail if they depend on Unsanity's Menu Extra Enabler or the open-source Menu Cracker.
Apple has a list of software officially stated to be incompatible with Snow Leopard here:
http://support.apple.com/kb/HT3258
There's also an ongoing compatibility list is being maintained here:
http://snowleopard.wikidot.com/
Reports on that site are unofficial but may be useful.
• Snow Leopard no longer includes AppleTalk, so you will no longer be able to use any AppleTalk-only printers or other devices.
• Safari by default will launch in 64-bit mode on those systems that support 64-bit processing (which includes all Macs with Intel Core 2 Duo or Xeon processor). If you have Safari plug-ins that are not working, quit Safari, Get Info on the Safari application, and select "Open in 32-bit mode" and relaunch Safari.
• QuickTime Player X has some ability to trim and convert media, but no longer includes many of the former options available in QuickTime Pro. QuickTime 7 Player is available as an optional installation for those who still need the additional Pro features. If you have QuickTime 7 Pro installed in Leopard and are upgrading, the Snow Leopard installer should install QuickTime 7 Player automatically and preserve your Pro key. Apple has made no mention of a Pro version of QuickTime X.
• The Snow Leopard installer reportedly removes the Script subfolders from /Library/Scripts/, so if you are upgrading Mac OS X 10.5 Leopard, before performing the upgrade make a backup of the Address Book Scripts, Basics, Finder Scripts, Info Scripts, Internet Services, and Navigation Scripts subfolders and then copy them back to /Library/Scripts/ after installing the update.
This is the 1st version of this tip. It was submitted on August 28, 2009 by Dave Sawyer.
Do you want to provide feedback on this User Contributed Tip or contribute your own? If you have achieved Level 2 status, visit the User Tips Library Contributions forum for more information.

Welcome to the Apple Support Communities
As the computer froze during the Snow Leopard installation, it's possible that Snow Leopard wasn't installed correctly and Snow Leopard can't start, so you have to reinstall Snow Leopard. To do it, insert the Snow Leopard disc, hold the C key while your computer is starting and follow the steps to reinstall Snow Leopard. You won't lose anything you had saved

My Leopard installation experience....

I installed Leopard on a new 400GB WD SATAII HD last night.
First I used Tiget to format the drive HFS+ Journaled and then I started the install. Leopard took about 15 mins. checking theintegrity of the installation DVD and then about 30 mins. to complete the installation. The program re-booted afted taking a few mins. to clean the boot cache.
The setup program came up and asked for details on my IP address but I just told it I was on a cable modem and it seems to have aquired my DNS details on its own with no problem. It asked if I wanted to carry over settings from another installation but I said no... figuring it would really be a clean install.
I next installed CS3 Design Standard. During the installation I saw something flah by saying Acrobat 8 was already installed... *After the installation I noticed that there was no entry at all for Adobe Acrobat in the Applications folder! I knew that there were problems with Leopard and Acrobat but I figured that it would get installed but just crash if opened... it looks like Acrobat 8 never even gets installed!*
All of the CS3 Design standard programs seem to be much faster in Leopard. Very nice... but I have not had that much time to play yet.
One strange thing is that *at first Safari seemed quite slow*... but after a while it speeded up nicely... maybe it was caching files...
Loaded iLife 08... also without much of a hitch. Repaired permissions after all of this and got one user permission that needed to be repaired and this one linethat will not go away no matter how many times permission repair is run:
*"2007-10-30 23:48:53 -0700: Warning: SUID file "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAg ent" has been modified and will not be repaired."*
this seems to reference remote access that says has been changed bit will ot need repair...
All-in-all a good experience. I look forward to learning what's under the hood.

From what I understand, there is a definite difference although I do not know what it is. So I don't really know about what the upgrade disc does. But I am surprised it gave you no options. Did it have anything you could print out like the "Mac OS X v. 10.5 Leopard Installation and Setup Guide" that comes with the full retail version?
As for doing an erase and custom install with the full retail version, yes you can do that. My MBP came with Tiger and I later installed Leopard with an erase and install and left out all the printer drivers and languages I would never use. I then had to reinstall iLife 08 and the other bundled applications from the Tiger install discs.
The real problem is that your friend needs her own set of discs for troubleshooting etc. I don't know if it's permissible for you to make her a copy of the Leopard Retail disc, but maybe you could since you did buy the family pack.
There should be some way to do what you want with her discs--it may be worth printing out whatever information there is and reading it closely and see if something is possible. I do know that the "options" box on my copy of Leopard was so subtle that I missed it the first time. It appears on the "select a destination" page in the lower left corner.
Hope this helps.
Good luck!

Trouble booting from Leopard installation DVD

I'm having some trouble booting from the Leopard installation DVD, I was wondering if anyone here could help.
I want to reset my administrator password since OS X does not seem to be accepting it, and I heard that the best way to do this would be to boot from a Mac OS X installation DVD or CD and change some settings. When I start up my computer with the Leopard DVD in the drive, I hold down the 'C' key after the chime, and continue to hold it until the spinning gear appears.
From there, the spinning gear stays on the screen, and nothing happens. I've heard that it takes a while for the screen to come up, but I let it sit for over three hours and nothing happened. I also tried holding the Option key at startup and selecting the DVD, but the same thing happened. The DVD is in good shape and has no deep scratches, and it appears right away in the OS itself. I can't access the installer from the OS since it asks for my Administrator password, which it does not seem to be accepting. I also tried another solution to the Administrator password problem that involved typing some commands in Single User mode, but that did not help either.
Any help would be greatly appreciated.

what exactly did you try to do in single user mode?

How can I create a disk image of snow leopard installer disk from my Imac which runs it?

how can I create a disk image of snow leopard installer disk from my Imac which runs it? It came without DVD installer, and I want to make a copy of it's OS installer but can't find out how.

You need to have the disc in order to create disk image of snow leopard installer disc. What did your machine ship with? If something later than SL, then why? If earlier, then you can buy the SL installer disc and make the disk image.

Leopard Installation Options-

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