Leopard won't install on 1.07 Ghz machine

Hello all.
I get a message saying that Leopard cannot be installed on this machine when I attempt to do so on my 1.07 Ghz 1.25 GB RAM iBook.
I was sure that it qualified for the upgrade.
Any help will be greatly appreciated
Thanks,
John

Oh-o,....
It's from another Mac; and I'm guessing that it's the problem??? (crap)

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"Install failed. The MacOS could not be installed on your computer. The installer could not verify the contents of the 'Essentials' package. Contact the software manufacturer for assistance."
I tried this a few times with he same results and then tried a clean install on an internal drive. This time it was Mail.app that could not be verified when it gave up.
I made a disk image of the installer on an external hard drive and tried to install from that. Same error.
Leopard installed on my Mac Mini without a problem.
There's something seriously wrong here.

I can also confirm: *Leopard won't install on my G5 dual 2 Ghz EITHER.*
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Was it repairing disk or permissions that kept giving different errors?
I think this was available in 10.5 installs, but can't check... hit CMD+L before starting the Install or right after, that should show a log of what exactly is going on.
1. Insert the Mac OS X Install disc that came with your computer, then restart the computer while holding the C key.
   2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
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This happened 3 times.

Greetings,
It takes around 45 minutes for the install to complete. After the first 15 minutes, or so, it will reboot, and then continue the installation. Hopefully you didn't interrupt it at a critical moment.
If you did and it won't boot at all, you may have to insert the DVD in the drive, start it up, and hold the "C" key down until you see the Apple, and little spinning graphic.
After it boots in to the DVD, then install.
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M.

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I purchased the Leopard family pack, and installed Leopard without incident on an Intel iMac. However, on my MacBookPro, the installer cannot seem to find a valid disk to install Leopard on. The screen remains blank, and cannot continue. Strange, because no problems were discovered with the disk in Tiger (Disk Utility, Disk Warrior both).
There is 33 gigs of free space, should be plenty.
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Did you upgrade your Hard Drive at some point? I discovered upon trying to upgrade my Intel Mac Mini to leopard that I had been using a HD with an Apple Partition Map, which was default on a HD upgrade I had installed. It worked fine with Tiger, but Leopard would not install. Leopard requires the GUID Partition Table on the hard drive. You can check it with disk utility.
If that is the case, my solution was to clone my drive to an external HD, reformat my internal drive with GUID, then clone back and install leopard. (if you do the straight upgrade, be careful to remove all APE application enhancers from you Tiger system 1st. I didn't & got the blue screen)

Wiped my entire macbook drive and now snow leopard won't install over snow leopard server, HELP!

I ordered, what I thought, was Snow Leopard a while ago because I was running Leopard and I wanted to get the app store so I could move onto Lion and then Mountain Lion. I ordered the disc over the phone and the woman sent me the Snow Leopard Server instead of just Snow Leopard, I didn't think much about it so I clean installed it and ran it on my unibody macbook for a while. I didn't see much use for the disc anymore seeing that everything was downloadable at this point, so I sold the disc on Ebay and carried on. The server edition started to slow my computer down due to all of its excess applications and what not, and I read online that Lion and Mountain Lion are also very slow on the old unibody Macbooks so I ordered a regular Snow Leopard disc, now available online, and tried to install it. My computer said Snow Leopard cannot be installed over Snow Leopard server so I went to disc utitlity and wiped my entire drive while the OS X Snow Leopard disc was running and trying to install. I went back to the install window and it still said OS X Snow leopard cannot be installed over Snow Leopard Server so I shut down my computer and tried to turn it back on and I all I got was a blinking folder with a question mark in it, what do I do????????
P.S. All of my content is backed up on an external harddrive so I am all good with that.

Drive Preparation
1. 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 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. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
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Make sure that at least 1 GB of memory is recognized in System Profiler with status "OK" -- it is possible that some of your installed memory is defective or not properly seated. Since Snow Leopard requires at least 1 GB, your MacBook won't start up from the DVD if can only use less than this amount.
Also consider running the Apple Hardware Test and/or Kelley Computing's Rember on your MacBook, especially if you have replaced any of its original memory with third party parts.
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I pop in the CD, and it comes up with the install. I double click "Install Leopard", and enter in my password and it restarts my computer. After it restarts, it comes up with that spiffy little background of the galactic-space themed graphic. But nothing else. No windows asking me to continue. No windows asking me which volume to install on. No windows asking me to Agree/Disagree with the TOS. Nothing. Just the background.
I have a Dual 1.25 GHz PowerPC G4 with RAM 2GB DDR SDRAM. From what I read of the installation requirements, my computer should take Leopard with no problems.
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I have the same computer and posted the problem earlier as my install failed, and caused a kernel panic. My "Previous System" did not allow me to revert to it (Tiger), but the user data is still there. I did a fresh install on a second HD, and am now back running Tiger and slowly bringing over my data from the original drive.
I sent Apple my machine's profile. They suggested any non-Apple RAM might be causing the problem, and they also wondered if the fact I added a faster Pioneer DVD in the first bay, and moved the original to the second caused problems.
The wanted me to return the machine to how it came out of the box, but as much as I like Leopard I'm probably not going to go to the trouble.
I may wipe a spare drive and try installing Leopard as a totally clean install.
If I remember right one of the previous OSX updates caused fits on this machine, and the Tech had me boot into some state that let him have me punch in some commands. That did the trick. This was so long ago I can't remember the particulars.
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I've been installing leopard on G5 Dual core systems all week and I had problems myself but I found a good workaround (based on what I had available to me installation disk-wise).
I installed retail Tiger 10.4 (a user-burned backup copy), booted the machine once to do the registration info.
I then used the retail 10.5 Upgrade DVD (which is different from the normal retail 10.5 install DVD).
CRUCIALLY I didn't select the option to install "X11" during the installation process. That one simple omission enabled the 10.4 to 10.5 upgrade to run perfectly without a hitch or error on the G5.
I guess the moral of this is uncheck the "X11" box when installing. I usually uncheck the extra language translations and printer drivers too.
G5 towers don't much like certain Dual Layer DVD media as you may have heard already. Though the drives are rated to use them, they are very picky about the type so only make a backup copy of your OSX disks with the actual computer you will use it on so you're sure it can handle the media.
I say this after wrestling with variations of the install for a good 24hrs. I also found that if the drive you are installing to on the G5 is not formatted using the Apple Partition Map (for PPC-based installs) but has instead GUID (for Intel-based installs) Partition Map it just won't work so check through the tabs and options in Disk Utility to do with Partitions.
Even on a normal retail OSX disk I say leave X11 out when making a G5 into a Leopard machine and then install it later on.
Hope you save hours of time with this info.

Leopard won't Install, hangs when almost done.

I have a Powermac G5 1.8 ghz with 3.5gb of ram.
I bought the retail Leopard DVD and a brand new 500GB Sata-HD.
All my attempts have failed to install Leopard on my new empty Sata-HD.
Every time I run the installation, it gets to installing ok, but always hangs towards the end.
It stops generally when it says 1 minute left or sometimes at 7 minutes left.
During the 1 or 7 minute left period I leave the G5 alone sometimes for a couple of hours, but no succes.
Than i reboot and try to install again but the same issue appears.
So after 3 installation attempts i have run out of ideas.
* I checked the the Sata-HD its in good shape and formatted in the good way.
* My G5 ram is orginal Apple and working fine.
* Only keyboard and mouse attached.
* I booted from my Tiger HD and run the hardwaretest cd everything is oke with
my G5.
Why is a simple installation is not working ?
I saw some people on the net with the same issue but couldn't find a solution.
A solution or help appreciated.

Thanks for your answers and help.
Its installed Leopard is running will teste it the coming dys on my G5 machine.
A defective orginal Apple( Sony) DVD drive was the failure.
I replaced it with a new Samsung Duallayer and voila got it installed.

Snow Leopard will not install MacBook 1.83 GHz

Hi,
I have a retail Snow Leopard 10.6.6 installation DVD and I'm trying to install it on a MacBook 1.83 GHz Intel Core Duo:
http://support.apple.com/kb/SP31
The MacBook has 2GB of RAM installed and a HD of 320 GB.
The Snow Leopard installation loads but it states that Mac OS X cannot be installed in the computer.
However, it seems that this machine has all the requirements of Snow Leopard. Any thoughts?
Thanks

Oh, I see. Indeed, what I meant by "retail DVD" was that I have a 10.6.6 that came with my MacBook Pro. I will try to get a Snow Leopard Install DVD 10.6 to see if it solves the issue.
Thank you very much!

Leopard won't install on PPC iMac G5

Hello, I've had my iMac G5 (non-intel) since 2005. I've recently upgraded my iphone to a 4, and I want to install Leopard so I can sync with my computer. After going to all the trouble and expense to get the software, I stick it in and click upgrade. I get the language box on the restart, then preparing install, but then I just get a message that says "Mac OSX cannot be installed on this computer. The software cannot be installed on this computer."
As far as I know, my computer meets the minimum requirements for an upgrade. Any ideas?

The gray discs are machine-specific, meaning that they will only work on the models of Macs they originally shipped with. They do not have drivers and code for other Macs, meaning they are useless unless they are with the original computer or equivalent model.
If you call Apple Phone Sales (800 MY APPLE in the US), you can still order a retail version of Leopard for $129. You may be able to find a retail disc elsewhere online, but make sure it is the black disc with the big X on it, not a gray disc.

Leopard won't install on MacBook

I got a repeated kernal panic on restart after installing Leopard. After calling the Apple Support line they told me that they had had many reports of this and that the solution is to do an "Archive and Install", which I did.
The restart worked this time but when I got to the registration screen I was unable to write anything at all, and consequently could not get past this screen.
I do not have sufficient HD space left to do another "Archive and Install" and am completely stuck. I tried to reach the support line on this but there were an overwhelming number of calls and I was told to call back later. So far, no luck.
I am writing this on my brother's Mac Pro since I no longer have access to my MacBook.
You would think Apple would have ironed out these glitches by now. I am thoroughly disgusted and fed up.

OK I can not believe some tard told you to archive and install for kernel panics. Seriously call back and ask to speak to a specialist because that is beyond rediculous. I hope they gave you a case number. If so give the next person you speak with that case number so they can continue your same case.
If your KP's are OS based (rarely are) it's erase and install time. Hope you thought ahead and made backups. If not, hope you have the $100+ it will cost to have someone else do a data recovery for you.
Usually when a computer gets KP's after a software update or install, it isn't because anything went bad in your software. It usually means there are bad sectors on the hard drive that were just not being accessed until now. Let's say you have kept 16-20GB free space on your hard drive. With the exception of your caches and temporary memory that is literally empty space not being read from or written to on the drive. If the physical hardware is damaged in that area of the drive, you aren't going to know about it until you try to use it.
So you install Leopard, which requires 9 GB of free hard drive space. During the install process, part of your hard drive, which up til now has been sitting untouched, is now getting used to temporarily archive and hold data while the OS installs. Once the computer hits those bad sectors, it's ZOMG *You need to restart your computer in 5 languages* kernel panic time
Not trying to freak you out, just trying to explain you will be very lucky if a reinstall resolves this. Usually when I see a KP on a mac, I am replacing the hard drive.
Editted to add:
Before you proceed with an erase and install, I would check in with an authorized service provider (or apple store if you are lucky enough to be near one that has appointments available) and have them run some diagnostics to determine if this is a hardware or software issue.
Either way, you're looking at total data loss to resolve the issue. Erase and install or a replacement hard drive. I'd ask about data recovery services before they do any repairs or reinstalls.
You can find a provider here:
http://www.apple.com/buy/locator/service/
Message was edited by: Zat

Leopard won't install on Core Duo - "Cannot be installed on this computer"

Hi,
I have a white MacBook 2GHz Intel and took from a friends black Macbook 2.2GHz Leopard DVD's to install since he will use a mac for Vista. When I try to install it I get a message "This software cannot be installed on this computer" !!! I was surfing on the net but this is usualy problem with old mac's but I cannot believe that my NB is not supported ?!?! Can anyone help ? Also, Apple Hardware Test from Leopard DVD's is giving the same message.

No they are not. 10.5 OS/X install disks are universal. They will not mention MacBook on them. You can not use these CD's on another machine for two reasons: first they will not work. second: it was a license violation for them to be given to you.
-Chris

Leopard won't install on 1.07 Ghz machine

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