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Ubuntu 12.04 cloud: virtualbox startup Problems

Source: Internet
Author: User
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Ubuntu 12.04 cloud: virtualbox startup problem Ubuntu 12.04 has been released. install it in a virtual machine and a startup error is prompted. This kernel requires the following features not present on the CPU: pae www.2cto.com Unable to boot-please use a kernel appropriate for your CPU. after searching, we found that pae is a physical address extension. Maybe Because Ubuntu found that many PCs have more than 4 GB of memory, right? Therefore, you need to enable this option in the virtual machine.
The method is to select the virtual Machine, Machine -- Setting -- System -- Processor -- Extended Features: Enable PAE/NX. Then you can start it to enter Ubuntu.
Author: fishyych

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