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I installed Ubuntu 12.04 LTS 64-bit on my Dell 8500-XPS. This was a side-by-side install with Windows 7 64-bit. My system has 16 gig RAM. When I check my Ubuntu system settings - details, it says my OS type is 32-bit. What happened?

Output of uname -a:

3.11.0-18-generic #32~precise1-Ubuntu SMP Thu Feb 20 17:54:21 UTC 2014 i686 i686 i386 GNU/Linux

Output of uname -m is i686

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    could you paste the output of uname -a or uname -m? Mar 25, 2014 at 6:43
  • Output of uname -a: 3.11.0-18-generic #32~precise1-Ubuntu SMP Thu Feb 20 17:54:21 UTC 2014 i686 i686 i386 GNU/Linux
    – user261815
    Mar 28, 2014 at 3:35
  • Output of uname -m: i686
    – user261815
    Mar 28, 2014 at 3:35
  • How did you infer you installed 64-bit Ubuntu?
    – jobin
    Mar 28, 2014 at 3:51

1 Answer 1

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From the output of uname -a, it was clearly shown that you had installed Ubuntu 32 bit.

3.11.0-18-generic #32~precise1-Ubuntu SMP Thu Feb 20 17:54:21 UTC 2014 i686 i686 i386 GNU/Linux
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  • Yes, checking the install CD that is clear as well. I'm quite certain I selected the 64-bit version when I burned the CD. I will try again.
    – user261815
    Mar 28, 2014 at 3:53
  • Please open the files in that installation cd.If there is any EFI folder on that, it's sure that the cd contains 64 bit Ubuntu.If not, then it is 32 bit. Mar 28, 2014 at 3:55

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