![Ubuntu 18.04 无线网络问题](https://linux22.com/image/915311/Ubuntu%2018.04%20%E6%97%A0%E7%BA%BF%E7%BD%91%E7%BB%9C%E9%97%AE%E9%A2%98.png)
自从几个月前安装 Linux 以来,我一直遇到 wifi 问题,但由于我一直使用以太网电缆,所以我没有太在意它。但现在,我无法使用以太网电缆。
我的 wifi 卡无法连接,一直提示“激活网络连接失败”
我买了一个 USB wifi 适配器。现在它工作了一段时间,然后不知什么原因就停止工作了。现在,它不断要求我输入密码。
我今天重新安装了 Ubuntu,但问题仍然存在。目前,我一直在使用手机的 USB 网络共享作为短期解决方案。有什么帮助吗?
**sudo lshw -C network**
*-network
description: Ethernet interface
product: RTL810xE PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:07:00.0
logical name: enp7s0
version: 05
serial: e0:db:55:e3:1f:d8
size: 10Mbit/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 duplex=half firmware=rtl_nic/rtl8105e-1.fw latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:16 ioport:2000(size=256) memory:c1404000-c1404fff memory:c1400000-c1403fff
*-network
description: Wireless interface
product: MT7630e 802.11bgn Wireless Network Adapter
vendor: MEDIATEK Corp.
physical id: 0
bus info: pci@0000:08:00.0
logical name: wlp8s0f0
version: 00
serial: fc:4d:d4:51:c3:48
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=mt76x0e driverversion=5.0.0-25-generic firmware=1.0.07-b370 latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:17 memory:c1500000-c15fffff
*-network:0
description: Wireless interface
physical id: 2
bus info: usb@3:1
logical name: wlx78321b9197f1
serial: 78:32:1b:91:97:f1
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=r8188eu multicast=yes wireless=unassociated
*-network:1
description: Ethernet interface
physical id: 3
logical name: enp0s20u3
serial: 92:03:7d:73:a9:9f
capabilities: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.215 link=yes multicast=yes
**rfkill list all**
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
我已经束手无策了。我尝试了网上列出的许多解决方案,但都没有用。我希望这个问题能得到解决