Help...Can't find HD on Disk Utility

I was using my macbook this morning when it suddenly stopped working so I held the power button down and then when I tried turning it back on it wouldn't boot. It goes to a screen with a folder with a question mark on it. I can't access single user mode, but I can start up my leopard dvd and run disk utility. However, disk utility doesn't show any drives? it can find my HD. What should I do? My macbook is still under warranty and I bought it directly off the apple site. Do I need to contact apple directly or can I take my macbook to an apple store? Any way that I can fix this myself? thanks

You probably have a Seagate hard drive in there. Read this and pull the drive out to check the numbers on it.
http://www.macsimumnews.com/index.php/archive/macosgmacbook_seagate_hard_drives_catastrophicallyfailing
-Bmer
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MEGARAID CLI version 1.0.12
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http://www.macfixitforums.com/showflat.php?Cat=&Board=Forum38&Number=770243
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Freeing space on your Mac OS X startup disk
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http://www.pinkmutant.com/articles/TigerMisc.html
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http://macosx.com/forums/howto-faqs/275191-how-easily-increase-hd-free-space-lap top.html
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http://www.macmaps.com/diskfull.html
 Cheers, Tom

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