Okay, you have Linux Mint Debian Edition, which has no version numbers
Moved your topic to the LMDE section of the forum.
Indeed, your CPU has two cores and with hyperthreading will present itself as having 4 cores to the operating system: http://ark.intel.com/products/43544/Int ... e-2_53-GHz
. However, you have installed the 32 bit version of Linux Mint which by default comes with the legacy compatibility kernel that will only use one core (as shared in the release notes: http://www.linuxmint.com/rel_debian.php
). To use multiple cores, replace your kernel with the PAE one. You can do so with the following two commands:
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sudo apt-get update
sudo apt-get install linux-image-686-pae linux-headers-686-pae
Or use your favorite package manager to install linux-image-686-pae and linux-headers-686-pae.