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Ubuntu 20.04.03 上的网络无人认领

tag-icon • tag-icon networking 20.04 wireless
Ubuntu 20.04.03 上的网络无人认领

我无法使用无线网络（WiFi）。我无法安装 WiFi 驱动程序

lspci -v | grep -i network
03:00.0 Network controller: MEDIATEK Corp. Device 7961

sudo lshw -C network
  *-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: 7c:8a:e1:a4:bf:ea
       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 driverversion=5.11.0-27-generic firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=twisted pair
       resources: irq:42 ioport:2000(size=256) memory:d1704000-d1704fff memory:d1700000-d1703fff
  *-network UNCLAIMED
       description: Network controller
       product: MEDIATEK Corp.
       vendor: MEDIATEK Corp.
       physical id: 0
       bus info: pci@0000:03:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm cap_list
       configuration: latency=0
       resources: iomemory:fc0-fbf iomemory:fc0-fbf iomemory:fc0-fbf memory:fc02000000-fc020fffff memory:fc02100000-fc02103fff memory:fc02104000-fc02104fff
  *-network
       description: Ethernet interface
       physical id: 2
       bus info: usb@1:2
       logical name: enx00a0c6000000
       serial: 00:a0:c6:00:00:00
       capabilities: ethernet physical
       configuration: broadcast=yes driver=rndis_host driverversion=5.11.0-27-generic firmware=RNDIS device ip=10.0.0.100 link=yes multicast=yes

我不明白我必须安装哪些驱动程序。RTL8111 或 MEDIATEK 7961 用于 wifi。或者将内核升级到 15 可能会解决这个问题。

uname -r
5.11.0-27-generic

答案1

经过长时间的搜索，更新内核解决了我的问题。从 5.11 到 5.13。说明在这里。此外，通过连接以太网下载第三方选项和下载更新（安装 ubuntu 时）也帮助我安装 WiFi。

sudo apt-get update
sudo apt-get dist-upgrade

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