发生了一件奇怪的事情，我在机场使用笔记本电脑时一切正常。第二天到达目的地后，我将其关闭并重新打开，现在它检测不到任何 wifi 网络。
笔记本电脑没有以太网端口，所以我无法通过笔记本电脑运行任何东西。
我把无线信息脚本我在调试答案中找到的。这是输出概括来说或粘贴.ubuntu以及我可以传递的内容而不会超过字符限制
编辑：输出lspci -knn
$ lspci -knn
00:00.0 Host bridge [0600]: Intel Corporation Haswell-ULT DRAM Controller [8086:0a04] (rev 0b)
Subsystem: Lenovo Device [17aa:3978]
Kernel driver in use: hsw_uncore
00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b)
Subsystem: Lenovo Device [17aa:3978]
Kernel driver in use: i915
00:03.0 Audio device [0403]: Intel Corporation Haswell-ULT HD Audio Controller [8086:0a0c] (rev 0b)
Subsystem: Lenovo Device [17aa:3978]
Kernel driver in use: snd_hda_intel
00:04.0 Signal processing controller [1180]: Intel Corporation Device [8086:0a03] (rev 0b)
Subsystem: Lenovo Device [17aa:3978]
Kernel driver in use: proc_thermal
00:14.0 USB controller [0c03]: Intel Corporation 8 Series USB xHCI HC [8086:9c31] (rev 04)
Subsystem: Lenovo Device [17aa:3978]
Kernel driver in use: xhci_hcd
00:16.0 Communication controller [0780]: Intel Corporation 8 Series HECI #0 [8086:9c3a] (rev 04)
Subsystem: Lenovo Device [17aa:3978]
Kernel driver in use: mei_me
00:1b.0 Audio device [0403]: Intel Corporation 8 Series HD Audio Controller [8086:9c20] (rev 04)
Subsystem: Lenovo Device [17aa:3978]
Kernel driver in use: snd_hda_intel
00:1d.0 USB controller [0c03]: Intel Corporation 8 Series USB EHCI #1 [8086:9c26] (rev 04)
Subsystem: Lenovo Device [17aa:3978]
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge [0601]: Intel Corporation 8 Series LPC Controller [8086:9c43] (rev 04)
Subsystem: Lenovo Device [17aa:3978]
Kernel driver in use: lpc_ich
00:1f.2 SATA controller [0106]: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] [8086:9c03] (rev 04)
Subsystem: Lenovo Device [17aa:3978]
Kernel driver in use: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 8 Series SMBus Controller [8086:9c22] (rev 04)
Subsystem: Lenovo Device [17aa:3978]
00:1f.6 Signal processing controller [1180]: Intel Corporation 8 Series Thermal [8086:9c24] (rev 04)
Subsystem: Lenovo Device [17aa:3978]