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The error message is

This kernel requires an x86-64 CPU,but only detected an i686 CPU. Unable to boot - please use a kernel appropriate for your CPU.

How can I overcome this?

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What kind of computer do you have?. Is it 64bits?. – Javier Rivera May 11 '11 at 15:27
It is a Compaq Presario C300. How can I find out if it is 64bit? – Jeffrywith1e May 11 '11 at 15:32
related question ->… – hhlp May 2 '12 at 11:25
up vote 6 down vote accepted

You appear to have a 32 bit only cpu. Use the i386 cd instead.

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