win10+ubuntu 16.04 LTS 只能用网线上网，不能用无线上网

[937316645]

系统设置-网络 里只有有线和网络代理，没有无线

[poloshiao]

把下面指令 複製 貼進終端機 執行
0. uname -a
1. sudo lspci -knn
2. sudo lshw -numeric -class network
3. sudo ip addr show
4. sudo ip route show
5. sudo rfkill list all
6. sudo nmcli dev status wlan0
7. sudo dhclient -v
把指令及回應結果全部直接 選取/複製/貼上來

[小巅峰]

hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$ uname -a
Linux hongyang-HP-Pavilion-15-Notebook-PC 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18 18:33:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$ sudo lspci -knn
[sudo] hongyang 的密码：
00:00.0 Host bridge [0600]: Intel Corporation Haswell-ULT DRAM Controller [8086:0a04] (rev 0b)
Subsystem: Hewlett-Packard Company Haswell-ULT DRAM Controller [103c:2281]
Kernel driver in use: hsw_uncore
00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b)
DeviceName: Intel(R) Graphics GT2
Subsystem: Hewlett-Packard Company Haswell-ULT Integrated Graphics Controller [103c:2281]
Kernel driver in use: i915
Kernel modules: i915
00:03.0 Audio device [0403]: Intel Corporation Haswell-ULT HD Audio Controller [8086:0a0c] (rev 0b)
Subsystem: Hewlett-Packard Company Haswell-ULT HD Audio Controller [103c:2281]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:14.0 USB controller [0c03]: Intel Corporation 8 Series USB xHCI HC [8086:9c31] (rev 04)
Subsystem: Hewlett-Packard Company 8 Series USB xHCI HC [103c:2281]
Kernel driver in use: xhci_hcd
00:16.0 Communication controller [0780]: Intel Corporation 8 Series HECI #0 [8086:9c3a] (rev 04)
Subsystem: Hewlett-Packard Company 8 Series HECI [103c:2281]
Kernel driver in use: mei_me
Kernel modules: mei_me
00:1b.0 Audio device [0403]: Intel Corporation 8 Series HD Audio Controller [8086:9c20] (rev 04)
Subsystem: Hewlett-Packard Company 8 Series HD Audio Controller [103c:2281]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 1 [8086:9c10] (rev e4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.1 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 2 [8086:9c12] (rev e4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.2 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 3 [8086:9c14] (rev e4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.3 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 4 [8086:9c16] (rev e4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.4 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 5 [8086:9c18] (rev e4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB controller [0c03]: Intel Corporation 8 Series USB EHCI #1 [8086:9c26] (rev 04)
Subsystem: Hewlett-Packard Company 8 Series USB EHCI [103c:2281]
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge [0601]: Intel Corporation 8 Series LPC Controller [8086:9c43] (rev 04)
Subsystem: Hewlett-Packard Company 8 Series LPC Controller [103c:2281]
Kernel driver in use: lpc_ich
Kernel modules: lpc_ich
00:1f.2 SATA controller [0106]: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] [8086:9c03] (rev 04)
Subsystem: Hewlett-Packard Company 8 Series SATA Controller 1 [AHCI mode] [103c:2281]
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 8 Series SMBus Controller [8086:9c22] (rev 04)
Subsystem: Hewlett-Packard Company 8 Series SMBus Controller [103c:2281]
Kernel modules: i2c_i801
08:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
DeviceName: Broadcom BCM43142 802.11bgn 1x1 WiFi Adapter + BT 4.0 combo adapter
Subsystem: Hewlett-Packard Company BCM43142 802.11b/g/n [103c:2230]
Kernel modules: bcma, wl
09:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 08)
DeviceName: Realtek PCIe FE Family Controller
Subsystem: Hewlett-Packard Company RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [103c:2281]
Kernel driver in use: r8169
Kernel modules: r8169
0a:00.0 3D controller [0302]: NVIDIA Corporation GM108M [GeForce 830M] [10de:1340] (rev a2)
DeviceName: NVIDIA GeForce GM 830M
Subsystem: Hewlett-Packard Company GM108M [GeForce 830M] [103c:2281]
Kernel modules: nvidiafb, nouveau
hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$ sudo lshw -numeric -class network
*-network UNCLAIMED
description: Network controller
product: BCM43142 802.11b/g/n [14E4:4365]
vendor: Broadcom Corporation [14E4]
physical id: 0
bus info: pci@0000:08:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress cap_list
configuration: latency=0
resources: memory:b5500000-b5507fff
*-network
description: Ethernet interface
product: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10EC:8136]
vendor: Realtek Semiconductor Co., Ltd. [10EC]
physical id: 0
bus info: pci@0000:09:00.0
logical name: eno1
version: 08
serial: 8c:dc:d4:7e:71:56
size: 100Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8106e-2_0.0.1 04/23/13 ip=192.168.1.106 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:42 ioport:4000(size=256) memory:b5404000-b5404fff memory:b5400000-b5403fff
hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$ sido ip addr show
未找到 'sido' 命令，您要输入的是否是：
命令 'sudo' 来自于包 'sudo-ldap' (universe)
命令 'sudo' 来自于包 'sudo' (main)
sido：未找到命令
hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$ sudo ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 8c:dc:d4:7e:71:56 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.106/24 brd 192.168.1.255 scope global dynamic eno1
valid_lft 6872sec preferred_lft 6872sec
inet6 fe80::5c6:c062:5ca8:ac6b/64 scope link
valid_lft forever preferred_lft forever
hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$ sudo ip route show
default via 192.168.1.1 dev eno1 proto static metric 100
169.254.0.0/16 dev eno1 scope link metric 1000
192.168.1.0/24 dev eno1 proto kernel scope link src 192.168.1.106 metric 100
hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$ sudo rfkill list all
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$ sudo nmcli dev starus wlan0
Usage: nmcli device { COMMAND | help }

COMMAND := { status | show | connect | reapply | disconnect | delete | monitor | wifi | lldp }

status

show [<ifname>]

set [ifname] <ifname> [autoconnect yes|no] [managed yes|no]

connect <ifname>

reapply <ifname> ...

disconnect <ifname> ...

delete <ifname> ...

monitor <ifname> ...

wifi [list [ifname <ifname>] [bssid <BSSID>]]

wifi connect <(B)SSID> [password <password>] [wep-key-type key|phrase] [ifname <ifname>]
[bssid <BSSID>] [name <name>] [private yes|no] [hidden yes|no]

wifi hotspot [ifname <ifname>] [con-name <name>] [ssid <SSID>] [band a|bg] [channel <channel>] [password <password>]

wifi rescan [ifname <ifname>] [[ssid <SSID to scan>] ...]

lldp [list [ifname <ifname>]]

错误：“dev” 命令 “starus” 无效。
hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$
hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$ sudo dhclient -v
Internet Systems Consortium DHCP Client 4.3.3
Copyright 2004-2015 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

Listening on LPF/eno1/8c:dc:d4:7e:71:56
Sending on LPF/eno1/8c:dc:d4:7e:71:56
Sending on Socket/fallback
DHCPDISCOVER on eno1 to 255.255.255.255 port 67 interval 3 (xid=0xbe577c05)
DHCPREQUEST of 192.168.1.106 on eno1 to 255.255.255.255 port 67 (xid=0x57c57be)
DHCPOFFER of 192.168.1.106 from 192.168.1.1
DHCPACK of 192.168.1.106 from 192.168.1.1
RTNETLINK answers: File exists
bound to 192.168.1.106 -- renewal in 3415 seconds.
hongyang@hongyang-HP-Pavilion-15-Notebook-PC:~$
帮我看看咋回事

[vickycq]

*-network UNCLAIMED
description: Network controller
product: BCM43142 802.11b/g/n [14E4:4365]

连接有线网，打开“附加驱动”工具，安装无线网卡附加驱动

[937316645]

谢谢大家的帮助,我在论坛的其他贴中找到了解决的方法了.

[fantasticMao]

麻烦问一下你这个是怎么解决的呢？我也遇到了这个问题。非常感谢！