I have the exact same problem on my Dell.
I won't describe what happens on my pc again because it's just like "Hari Kotcherlakota" described in his comment #8
- Dell Inspiron 14" 7437 - Running Kubuntu 14.04.1 LTS AMD64 - Linux Inspiron-7437 3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux - All updates installed
I have the exact same problem on my Dell.
I won't describe what happens on my pc again because it's just like "Hari Kotcherlakota" described in his comment #8
- Dell Inspiron 14" 7437
- Running Kubuntu 14.04.1 LTS AMD64
- Linux Inspiron-7437 3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
- All updates installed