新装ubuntu 18.04 找不到wifi适配器

包含网卡/无线网的网络问题和ADSL/校园网/宽带拨号支持及代理/共享等网络使用问题
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gz927cool
帖子: 2
注册时间: 2018-08-01 16:37
系统: ubuntu 18.04

新装ubuntu 18.04 找不到wifi适配器

#1

帖子 gz927cool » 2018-08-01 17:04

新安装的Ubuntu 18.04 无法使用无线,显示找不到wifi适配器,百度了很久仍然无法解决。请求指导。。。。。。

附加驱动中只用NVIDIA的显卡选项

下面是一些可能有用的信息:

代码: 全选

uname -a
Linux superman 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

代码: 全选

 sudo lspci -knn
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0104] (rev 09)
Subsystem: Acer Incorporated [ALI] 2nd Generation Core Processor Family DRAM Controller [1025:0506]
00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port [8086:0101] (rev 09)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09)
Subsystem: Acer Incorporated [ALI] 2nd Generation Core Processor Family Integrated Graphics Controller [1025:0507]
Kernel driver in use: i915
Kernel modules: i915
00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
Subsystem: Acer Incorporated [ALI] 6 Series/C200 Series Chipset Family MEI Controller [1025:0506]
Kernel driver in use: mei_me
Kernel modules: mei_me
00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 04)
Subsystem: Acer Incorporated [ALI] 6 Series/C200 Series Chipset Family USB Enhanced Host Controller [1025:0506]
Kernel driver in use: ehci-pci
00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 04)
Subsystem: Acer Incorporated [ALI] 6 Series/C200 Series Chipset Family High Definition Audio Controller [1025:0506]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.1 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 [8086:1c12] (rev b4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.3 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 [8086:1c16] (rev b4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.4 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 [8086:1c18] (rev b4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 04)
Subsystem: Acer Incorporated [ALI] 6 Series/C200 Series Chipset Family USB Enhanced Host Controller [1025:0506]
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge [0601]: Intel Corporation HM65 Express Chipset Family LPC Controller [8086:1c49] (rev 04)
Subsystem: Acer Incorporated [ALI] HM65 Express Chipset Family LPC Controller [1025:0506]
Kernel driver in use: lpc_ich
Kernel modules: lpc_ich
00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 04)
Subsystem: Acer Incorporated [ALI] 6 Series/C200 Series Chipset Family 6 port Mobile SATA AHCI Controller [1025:0506]
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 04)
Subsystem: Acer Incorporated [ALI] 6 Series/C200 Series Chipset Family SMBus Controller [1025:0506]
Kernel modules: i2c_i801
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GF108M [GeForce GT 540M] [10de:0df4] (rev a1)
Subsystem: Acer Incorporated [ALI] GF108M [GeForce GT 540M] [1025:0507]
Kernel driver in use: nouveau
Kernel modules: nvidiafb, nouveau
03:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] [8086:0082] (rev 34)
Subsystem: Intel Corporation Centrino Advanced-N 6205 AGN [8086:1301]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
04:00.0 Ethernet controller [0200]: Broadcom Limited NetLink BCM57785 Gigabit Ethernet PCIe [14e4:16b5] (rev 10)
Subsystem: Acer Incorporated [ALI] NetLink BCM57785 Gigabit Ethernet PCIe [1025:0500]
Kernel driver in use: tg3
Kernel modules: tg3
04:00.1 SD Host controller [0805]: Broadcom Limited BCM57765/57785 SDXC/MMC Card Reader [14e4:16bc] (rev 10)
Subsystem: Acer Incorporated [ALI] BCM57765/57785 SDXC/MMC Card Reader [1025:0500]
Kernel driver in use: sdhci-pci
Kernel modules: sdhci_pci
04:00.2 System peripheral [0880]: Broadcom Limited BCM57765/57785 MS Card Reader [14e4:16be] (rev 10)
Subsystem: Acer Incorporated [ALI] BCM57765/57785 MS Card Reader [1025:0500]
04:00.3 System peripheral [0880]: Broadcom Limited BCM57765/57785 xD-Picture Card Reader [14e4:16bf] (rev 10)
Subsystem: Acer Incorporated [ALI] BCM57765/57785 xD-Picture Card Reader [1025:0500]
05:00.0 USB controller [0c03]: NEC Corporation uPD720200 USB 3.0 Host Controller [1033:0194] (rev 04)
Subsystem: Acer Incorporated [ALI] uPD720200 USB 3.0 Host Controller [1025:0507]
Kernel driver in use: xhci_hcd

代码: 全选

sudo lshw -C network
*-network DISABLED
description: Wireless interface
product: Centrino Advanced-N 6205 [Taylor Peak]
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 34
serial: 08:11:96:b2:b8:88
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-29-generic firmware=18.168.6.1 latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:33 memory:f3a00000-f3a01fff
*-network
description: Ethernet interface
product: NetLink BCM57785 Gigabit Ethernet PCIe
vendor: Broadcom Limited
physical id: 0
bus info: pci@0000:04:00.0
logical name: enp4s0f0
version: 10
serial: 20:6a:8a:64:dc:b1
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi msix pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.137 firmware=sb latency=0 link=no multicast=yes port=twisted pair
resources: irq:19 memory:f3800000-f380ffff memory:f3810000-f381ffff memory:cfa00000-cfa007ff
*-network
description: Ethernet interface
physical id: 3
logical name: enp0s26u1u2
serial: 72:9a:fa:b4:da:a0
capabilities: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.75 link=yes multicast=yes
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astolia
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注册时间: 2008-09-18 13:11

Re: 新装ubuntu 18.04 找不到wifi适配器

#2

帖子 astolia » 2018-08-01 17:20

你的网卡系统已经识别出来了,只是被禁用了,不需要额外驱动。

代码: 全选

sudo ip link set wlp3s0 up
另外也注意下笔记本上是否有硬件无线开关没开

代码: 全选

sudo apt install rfkill
rfkill
看看wlp3s0后面的SOFT和HARD是不是blocked
gz927cool
帖子: 2
注册时间: 2018-08-01 16:37
系统: ubuntu 18.04

Re: 新装ubuntu 18.04 找不到wifi适配器

#3

帖子 gz927cool » 2018-08-01 18:38

谢谢大大的指导。用rfkill查看确实是"'HARD blocked:yes"'。再次百度后解决问题。非常该感谢!!!!
:Smile :Smile :Smile :Smile

根据 https://blog.csdn.net/zouguogufunhua/a ... s/78108685 https://ubuntu-mate.community/t/wifi-i ... ernel/2146进行了操作后重启解决问题。中间可能还进行了其他的操作,原谅我不能确定具体哪个方法解决了问题
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