I reinstalled Ubutu 15.10 from a iso on DVD. Problem fixed. Linux toshibaS75 4.2.0-27-generic #32-Ubuntu SMP Fri Jan 22 04:49:08 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
I reinstalled Ubutu 15.10 from a iso on DVD. Problem fixed.
Linux toshibaS75 4.2.0-27-generic #32-Ubuntu SMP Fri Jan 22 04:49:08 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux