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Unable to boot Ubuntu 64-bit in Virtualbox on Mac OS X

Fresh3 days ago
Mar 15, 20266623 views
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Problem

I have latest generation Macbook Pro 7.1 (Intel Core 2 Duo) running Mac OS X 10.6.6. I installed Virtuabox 4.0.2 and tried to boot Ubuntu 10.10 64-bit iso. The boot options screen from the live CD came up: However when I continued to load the live session, or installer for that matter, I encountere…

Error Output

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

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1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Fix for: Unable to boot Ubuntu 64-bit in Virtualbox on Mac OS X

Low Risk

You should go back to your virtualbox "new machine wizard" (it's the thing that opens when you hit "new") then when selecting your OS Type, select "Ubuntu" and switch the Version to "Ubuntu (64 bit)". This makes sure it enables the 64bit processor e…

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Environment