-1
votes
2answers
30 views

32-bit OS on a 64 bit processor [duplicate]

I have a laptop with a 64-bit processor, but by accident i installed the 32-bit version of Ubuntu 14.04. i can always back my data up, and re-install Ubuntu, but i want to know if using 32-bit will be ...
0
votes
1answer
251 views

Ubuntu 13.04 detects only 2 out of 4 cores

I have just installed and updated ubuntu desktop 13.04 64-bit (3.8.0-19-generic ). I have AMD Phenom(tm) II X4 945 Processor with 4 cores, but the cpuinfo shows only 2 cores avaible. How can I enable ...
3
votes
2answers
3k views

Why does Ubuntu 12.04 recognize only one processor?

I installed Ubuntu 12.04 LTS in a machine that has an Intel i3 processor. As far as I know, i3 processor is a multicore one and the OS should recognize 2 processors, just as Windows 7 does. Ubuntu ...
5
votes
6answers
29k views

Intel Core i3 CPU is not 64 bit?

According to this page: https://help.ubuntu.com/community/32bit_and_64bit the following Intel CPU's are 64bit: Intel F and 5x1 series Pentium 4 using the "Prescott" core Pentium D Core 2 (Solo, Duo ...