Can't get my Imac to boot from CD rom

Sorry for posting the same thread. I made a mistake on the last threads title but I marked the last one as answered. Anyways,I'am trying to use the Mac install CD version of disk utility to repair parts of the disk that can't be repaired by the one on the operating system. I tried holding option key. Whenever I click CD rom, it still boots from the hard drive. I also tried using system preferences to boot boot from CD rom, holding c at startup, and holding cmd option shift delete at startup and it still boots from the hard drive. Why is the computer doing this?

Selected the clone from Preferences > Startup, did a reboot and it still appears that the booting is from the internal HD. I mean it appears like 90% of the booting sound comes from the internal HD, there is only a bit of light flicker (LED) at the beginning and the end of the booting process on the external HD. The clone is named 'clone'.
I did booting from an external HD on my old G5 imac a good few times, it took a while longer and I coud hear and see the booting (LED) from external HD, so I have kind of a 'feeling' how it should be like.
The external HD starts up no problem. It appears on the desktop, I can select it under Preferences > Startup and it shows up during startup using option-key.
Having done the booting, selecting the external HD, I can dismount it and still can open programms and documents, so it ought to be the internal HD ?

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Can't get my Imac to boot from external HD

Hello everybody out there in the community,
while preparing my system to update to Lion, I noticed, that my Imac appears not to boot from an external HD, when selected. When I press option-key and select the clone HD, I nevertheless hear the booting from the internal HD. Tried with firewire and with USB connection to no avail. Both ext. HD's are formatted MAC OS extended (journaled), with a GUID partition.
Any tips, hints or ideas will be appreciated!
Thank you!
(Specs: 3,6 GHz Intel Core i5)

Selected the clone from Preferences > Startup, did a reboot and it still appears that the booting is from the internal HD. I mean it appears like 90% of the booting sound comes from the internal HD, there is only a bit of light flicker (LED) at the beginning and the end of the booting process on the external HD. The clone is named 'clone'.
I did booting from an external HD on my old G5 imac a good few times, it took a while longer and I coud hear and see the booting (LED) from external HD, so I have kind of a 'feeling' how it should be like.
The external HD starts up no problem. It appears on the desktop, I can select it under Preferences > Startup and it shows up during startup using option-key.
Having done the booting, selecting the external HD, I can dismount it and still can open programms and documents, so it ought to be the internal HD ?

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sirmark1:
Thanks for the clarification. It helps to get a better grasp of the situation.
If you have not already done so, try this:
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• Start up computer and immediately after chime hold down Option key.
• If CD shows up select it and click the straight arrow.
However, the version of Mail you get from Jaguar will be the earliest version of Mail, whereas the version of Mail in Panther is 1.3.1. You can download 10.3.9 Combo Update and either install the update, or try to extract Mail from the Combo update using Pacifist
Hope one of those work for you.
cornelius

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If you cannot get the ssd to boot, you can move folders to the ssd.
Unix command ln -- The Unix make link command. I have a copy of virtual PC. It insists on using a folder in my documents folder for saving all of the virtual machine information. This folder is rather large. I used the terminal command ln to move the folder to my external hard drive. Virtual PC had no problem with this move. I do not think that Mac applications notice the ln redirects.
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mac harddrive > Applications > Utilities > Terminal
man ln
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example:
let's make like my Christmas card folder is on my desktop and make like the names is cards.
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GREEN/          Macintosh-HD@
mac $ ls /Volumes/GREEN/Christmas\ Cards/
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ChristmasAddressList.xls*       env.odt*
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al.odb*
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This question was solved.
View Solution.

Please verify that the programs (Ubuntu, Mint, Boot-Repair, etc.) you are attempting to use, support the Atheros AR8161L gigabit ethernet controller natively. Not all operating systems and software programs support every network device and/or configuration otut of the box. Many times, specific drivers must be loaded or injected into the OS for a device to function properly.
Please send KUDOs
Frank
{------------ Please click the "White Kudos" Thumbs Up to say THANKS for helping.
Please click the "Accept As Solution" on my post, if my assistance has solved your issue. ------------V
This is a user supported forum. I am a volunteer and I don't work for HP.
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Thank you for the response!
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Can't get my Imac to boot from CD rom

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