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I just removed old kernel version using ubuntu tweak., I wonder why my grub default is Kernel: 3.2.0-34-virtual rather than Kernel: 3.2.0-34-generic, but when I change my grub default to Kernel: 3.2.0-34-generic my network connection lost. Did I missed something?

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Are you running on a virtual machine, a computer with a wifi connection, or a computer with a physical ethernet connection? –  neon_overload Dec 5 '12 at 5:36
I'm not using a virtual machine,I'm using a computer with a wifi connection and broadband, although my computer is running just fine. But the problem is Kernel: 3.2.0-34-generic doesn't work well in default and I think it will not upgrade. –  obetus Dec 5 '12 at 13:51
I think I found the answer with this: –  obetus Dec 7 '12 at 12:22
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