我是 linux 系统的新手，我尝试了一些相关的解决方案，我可以跟进，但还没有。请帮我解决这个问题。
无线信息开始
Report from: 24 Sep 2015 22:40 EDT -0400
Booted last: 24 Sep 2015 22:21 EDT -0400
Script from: 14 Jul 2015 17:04 UTC +0000
释放
Distributor ID: Ubuntu
Description: Ubuntu 14.04.3 LTS
Release: 14.04
Codename: trusty
核心
Linux 3.19.0-30-generic #33~14.04.1-Ubuntu SMP Tue Sep 22 09:27:00 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
参数：ro, quiet, splash,vt.handoff=7
桌面
Ubuntu
lspci
02:00.0 Network controller [0280]: Qualcomm Atheros Device [168c:0041] (rev 20)
Subsystem: Lenovo Device [17aa:3545] …