Ubuntu 16.04 Wifi 问题。可能缺少驱动程序

Ubuntu 16.04 Wifi 问题。可能缺少驱动程序

我已经在笔记本电脑上运行 Ubuntu 16.04 一段时间了,突然 wifi 停止工作了。WifiSystem Settings > Network界面下没有出现。运行sudo lshw -C network结果如下:

  *-network UNCLAIMED     
       description: Network controller
       product: Wireless 8265 / 8275
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:02:00.0
       version: 78
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress cap_list
       configuration: latency=0
       resources: memory:ed300000-ed301fff
  *-network
       description: Ethernet interface
       product: Ethernet Connection (5) I219-LM
       vendor: Intel Corporation
       physical id: 1f.6
       bus info: pci@0000:00:1f.6
       logical name: enp0s31f6
       version: 31
       serial: 10:65:30:19:49:47
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k duplex=full firmware=0.1-3 ip=10.0.0.198 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
       resources: irq:131 memory:ed400000-ed41ffff

通过谷歌搜索,我了解到这network UNCLAIMED意味着我的 wifi 卡未被任何模块使用?或者可能缺少驱动程序?这是一个截屏以及System Settings > Software and Updates > Additional Drivers

另外可能值得一提的是,我禁用了安全启动(我不太清楚为什么我这样做,只是在搜索时出现了这个问题dkms)。任何帮助都将不胜感激!!

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