tp-link tl-wn727n wireless usb 沒法使用

[chungyiyi]

用的是 ubuntu Kylin 14.04,但是買了 tp-link tl-wn727n 的 wireless usb 沒法使用,請教大大們要怎樣做,謝謝!
Bus 002 Device 004: ID 148f:7601 Ralink Technology, Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 002: ID 046d:c505 Logitech, Inc. Cordless Mouse+Keyboard Receiver
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

[poloshiao]

把下面指令 複製 貼進終端機 執行
1. sudo lshw -numeric -class network
2. sudo ifconfig -a
3. sudo route -nv
4. sudo dhclient -v
5. sudo iwlist scan
把結果直接複製 貼上來

[chungyiyi]

chungyiyi@chungyiyi-P5QL-PRO:~$ sudo lshw -numeric -class network
[sudo] password for chungyiyi:
*-network
description: Ethernet interface
product: AR8121/AR8113/AR8114 Gigabit or Fast Ethernet [1969:1026]
vendor: Qualcomm Atheros [1969]
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: b0
serial: 90:e6:ba:9d:5b:2a
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=ATL1E driverversion=1.0.0.7-NAPI firmware=L1e latency=0 link=no multicast=yes port=twisted pair
resources: irq:17 memory:feac0000-feafffff ioport:dc00(size=128)
chungyiyi@chungyiyi-P5QL-PRO:~$ sudo ifconfig -a
eth0 Link encap:以太网 硬件地址 90:e6:ba:9d:5b:2a
UP BROADCAST MULTICAST MTU:1500 跃点数:1
接收数据包:0 错误:0 丢弃:0 过载:0 帧数:0
发送数据包:0 错误:0 丢弃:0 过载:0 载波:1
碰撞:0 发送队列长度:1000
接收字节:0 (0.0 B) 发送字节:0 (0.0 B)

lo Link encap:本地环回
inet 地址:127.0.0.1 掩码:255.0.0.0
inet6 地址: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 跃点数:1
接收数据包:30041 错误:0 丢弃:0 过载:0 帧数:0
发送数据包:30041 错误:0 丢弃:0 过载:0 载波:0
碰撞:0 发送队列长度:0
接收字节:1942312 (1.9 MB) 发送字节:1942312 (1.9 MB)

chungyiyi@chungyiyi-P5QL-PRO:~$ sudo route -nv
内核 IP 路由表
目标 网关 子网掩码 标志 跃点 引用 使用 接口
chungyiyi@chungyiyi-P5QL-PRO:~$ sudo dhclient -v
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

No broadcast interfaces found - exiting.
chungyiyi@chungyiyi-P5QL-PRO:~$ sudo iwlist scan
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.