I am unable to start up my iMac running on 10.4.11 - the startup disk is installed and will not start up eben when I hold down the "C" Key. I do get the apple, but then it disappears.

Query by serial number
Apple's warrenty database will identify the type of Mac you have. Your serial number is securely sent, but you get only the name of your machine.
https://selfsolve.apple.com/agreementWarrantyDynamic.do
This site provides more information, but lacks security.
"A serial number is a unique, identifying number or group of numbers and letters assigned to an individual piece of hardware or software. It's used for various things depending on the product / brand but what is your Mac's serial number for and more importantly... what is it hiding and what can it do for you ?"
http://www.appleserialnumberinfo.com/Desktop/index.php
or
This site provides more information, but lacks security too.
"A serial number is a unique, identifying number or group of numbers and letters assigned to an individual piece of hardware or software. It's used for various things depending on the product / brand but what is your Mac's serial number for and more importantly... what is it hiding and what can it do for you ?"
http://www.appleserialnumberinfo.com/Desktop/index.php
http://www.chipmunk.nl/klantenservice/applemodel.html
( hint by K Shaffer )

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Would you check what you have with I've listed in item #31 at
* http://dmcritchie.mvps.org/firefox/firefox-problems.htm#tabslost
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<http://www.versiontracker.com/dyn/moreinfo/macosx/18529>

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Message was edited by: Mike Boreham...added sec on line

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Ciao.

I am unable to start up my iMac running on 10.4.11 - the startup disk is installed and will not start up eben when I hold down the "C" Key. I do get the apple, but then it disappears.

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