![Ubuntu 20.04.1 LTS 无法访问 Wifi](https://linux22.com/image/1175261/Ubuntu%2020.04.1%20LTS%20%E6%97%A0%E6%B3%95%E8%AE%BF%E9%97%AE%20Wifi.png)
我最近在笔记本电脑上安装了 Ubuntu 20.04.1 LTS,每次打开笔记本电脑时,Wifi 选项都被禁用。
为了启用它,我不得不运行以下命令并重新启动笔记本电脑(每次都是这样)。
sudo service network-manager restart
有什么办法,可以让 Ubuntu 自动检测 Wifi,而无需重新启动network-manager
?
我已禁用安全启动,
安装 Ubuntu 时无法连接到 Wifi。
我正在双启动 Ubuntu 和 Windows 10
如果你们知道这个问题的永久解决办法,请告诉我,
cat /etc/network/interfaces
输出:
cat: /etc/network/interfaces: No such file or directory
cat /etc/netplan/*.yaml
输出:
network:
renderer: NetworkManager
# Let NetworkManager manage all devices on this system
network:
version: 2
renderer: NetworkManage
sudo lshw -C network
输出:
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: enp2s0
version: 15
serial: b0:6e:bf:ab:d5:4e
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII
resources: irq:16 ioport:d000(size=256) memory:df304000-df304fff memory:df300000-df303fff
*-network
description: Wireless interface
product: Wireless 8265 / 8275
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:04:00.0
logical name: wlp4s0
version: 78
serial: 00:e1:8c:42:0f:18
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=5.4.0-42-generic firmware=36.77d01142.0 ip=192.168.1.4 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:132 memory:df100000-df101fff
lshw
输出:
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: enp2s0
version: 15
serial: b0:6e:bf:ab:d5:4e
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII
resources: irq:16 ioport:d000(size=256) memory:df304000-df304fff memory:df300000-df303fff
*-network UNCLAIMED
description: Network controller
product: Wireless 8265 / 8275
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:04:00.0
version: 78
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress cap_list
configuration: latency=0
resources: memory:df100000-df101fff
答案1
编辑您的 /etc/netplan/*.yaml... 保持完全相同的缩进、间距和无制表符...
sudo -H gedit /etc/netplan/*.yaml
# 使用正确的 .yaml 文件名
# Let NetworkManager manage all devices on this system
#
network:
version: 2
renderer: NetworkManager
sudo netplan generate
sudo netplan apply
reboot
然后转到顶部面板右侧的 NetworkManager 小程序并选择您的 wifi 网络。
更新#1:
- 启动进入 Windows
- 打开电源控制面板
- 选择
change what the power buttons do
- 选择
change options that are unavailable
- 取消选中
fast startup
- 关闭电源控制面板
- 打开管理命令提示符窗口
- 类型
powercfg /h off
- 类型
chkdsk /f c:
- 同意在下次重启时运行 chkdsk
- 类型
chkdsk /f x:
(将“x”替换为其他驱动器号可见的NTFS 分区) - 重新启动 Windows 以让 chkdsk 在驱动器 C 上运行: