ubuntu 18.04 LTS安装后，点wifi 提示：未发现wifi适配器.怎么用wifi啊

[black_river_6]

把下面指令 複製 貼進終端機 執行
0. uname -a
1. sudo lspci -knn | grep -A5 Wireless
1-1. sudo lsusb # 如果你的 wifi 是 USB 卡
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
把指令及回應結果全部直接 選取/複製/貼上來

qing@qing-HP-Pavilion-m4-Notebook-PC:~$ uname -a
Linux qing-HP-Pavilion-m4-Notebook-PC 4.4.0-59-generic #80-Ubuntu SMP Fri Jan 6 17:47:47 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
sudo lspci -knn|grep -A5 Wireless
lspci: Unable to load libkmod resources: error -12
07:00.0 Network controller [0280]: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe [1814:3290]
Subsystem: Hewlett-Packard Company Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter [103c:18ec]
07:00.1 Bluetooth [0d11]: Ralink corp. RT3290 Bluetooth [1814:3298]
Subsystem: Hewlett-Packard Company Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter [103c:18ec]
08:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader [10ec:5229] (rev 01)
Subsystem: Hewlett-Packard Company RTS5229 PCI Express Card Reader [103c:193e]
qing@qing-HP-Pavilion-m4-Notebook-PC:~$ sudo lshw -numeric -class network
*-network UNCLAIMED
description: Network controller
product: RT3290 Wireless 802.11n 1T/1R PCIe [1814:3290]
vendor: Ralink corp. [1814]
physical id: 0
bus info: pci@0000:07:00.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: memory:d3610000-d361ffff
*-network DISABLED
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10EC:8168]
vendor: Realtek Semiconductor Co., Ltd. [10EC]
physical id: 0
bus info: pci@0000:0e:00.0
logical name: eno1
version: 0c
serial: c4:34:6b:02:03:87
size: 10Mbit/s
capacity: 1Gbit/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 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168g-2_0.0.1 02/06/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:28 ioport:2000(size=256) memory:d3500000-d3500fff memory:d3400000-d3403fff
qing@qing-HP-Pavilion-m4-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> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
link/ether c4:34:6b:02:03:87 brd ff:ff:ff:ff:ff:ff
qing@qing-HP-Pavilion-m4-Notebook-PC:~$ sudo nmcli dev status
DEVICE TYPE STATE CONNECTION
eno1 ethernet 未托管 --
lo loopback 未托管 --

[nuoyanli]

您好请问您能教我这个小白怎么装Ubuntu 18.04.2 LTS的wifi驱动吗，我的网卡是802的

[art-1038]

y@y-Lenovo-G510:~$ sudo lsusb
[sudo] y 的密码：
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 174c:55aa ASMedia Technology Inc. ASM1051E SATA 6Gb/s bridge, ASM1053E SATA 6Gb/s bridge, ASM1153 SATA 3Gb/s bridge
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 1ea7:0064
Bus 003 Device 003: ID 174f:147b Syntek
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
y@y-Lenovo-G510:~$ sudo lshw -numeric -class network
*-network UNCLAIMED
description: Network controller
product: BCM43142 802.11b/g/n [14E4:4365]
vendor: Broadcom Inc. and subsidiaries [14E4]
physical id: 0
bus info: pci@0000:08:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: memory:b9500000-b9507fff
*-network
description: Ethernet interface
product: QCA8172 Fast Ethernet [1969:10A0]
vendor: Qualcomm Atheros [1969]
physical id: 0
bus info: pci@0000:09:00.0
logical name: enp9s0
version: 10
serial: 20:1a:06:8b:e8:5f
size: 100Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=alx duplex=full ip=192.168.0.107 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:18 memory:b9400000-b943ffff ioport:3000(size=128)
y@y-Lenovo-G510:~$ sudo ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
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: enp9s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 20:1a:06:8b:e8:5f brd ff:ff:ff:ff:ff:ff
inet 192.168.0.107/24 brd 192.168.0.255 scope global dynamic noprefixroute enp9s0
valid_lft 4361sec preferred_lft 4361sec
inet6 fe80::5003:23d7:c59f:1262/64 scope link noprefixroute
valid_lft forever preferred_lft forever
y@y-Lenovo-G510:~$ sudo ip route show
default via 192.168.0.1 dev enp9s0 proto dhcp metric 100
169.254.0.0/16 dev enp9s0 scope link metric 1000
192.168.0.0/24 dev enp9s0 proto kernel scope link src 192.168.0.107 metric 100
y@y-Lenovo-G510:~$ sudo rfkill list all
y@y-Lenovo-G510:~$ sudo nmcli dev status # wlan0
DEVICE TYPE STATE CONNECTION
enp9s0 ethernet 已连接 配置 1
lo loopback 未托管 --
y@y-Lenovo-G510:~$

[qy117121]

product: BCM43142 802.11b/g/n [14E4:4365]

https://www.itread01.com/content/1548577626.html

[tedchina]

华为荣耀MagicBook2019锐龙版直接装Ubuntu18.04.3 LTS没有问题。
但是如果克隆复制其它电脑上的OS镜像过来，也会出现没有Wifi网卡的现象。解决办法是升级内核到5.0以上即可。

原始方法来自：https://askubuntu.com/questions/1155793 ... ion-issues
关键命令是：

代码： 全选

sudo apt install --install-recommends linux-generic-hwe-18.04 xserver-xorg-hwe-18.04

MagicBook的网卡是Realtek的。

[earthadu]

ubuntu16.04中存在高延时的问题，有解决吗？