CentOS 6.5 live CD ISO downloaded from http://archive.kernel.org/centos-vault/6.5/isos/x86_64/CentOS-6.5-x86_64-LiveCD.iso fails to boot in my IBM x240 server.

Boot Failed. IMM1:CD/DVD

I tried Optimized boot options enable/disable but it did not work. Do i need to configure anything in the BIOS.

1 Answer 1


The solution for this problem is to change two things on the BIOS configuration

Boot Mode to "Legacy Mode"
Optimized Boot set to Enabled

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