I tend to agree with Ivo, this bug report is a duplicate of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1245819 (though it is a slightly different computer model)
I tend to agree with Ivo, this bug report is a duplicate of https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1245819 (though it is a slightly different computer model)