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Ubuntu 16.04 - Wi-Fi 无法打开

tag-icon • tag-icon 16.04 wireless wifi-hardware-switch
Ubuntu 16.04 - Wi-Fi 无法打开

我的 Wi-Fi 出了问题。我无法打开它。我查看了网络设置，发现飞行模式已打开。我尝试将其关闭，但每次我关闭窗口时，飞行模式都会再次打开，而且无论如何我的 Wi-Fi 按钮都无法打开。

以下是我尝试过的事情的列表：

  1. 重新启动系统。
  2. sudo rfkill unblock all。
  3. sudo service network-manager restart。
  4. 我尝试在 BIOS 中寻找 Wi-Fi 选项，但没有找到。

这是来自我的系统的报告。顺便说一句，我是 Ubuntu 新手。

```

########## wireless info START ##########

Report from: 11 Jul 2017 12:52 IRDT +0430

Booted last: 11 Jul 2017 00:00 IRDT +0430

Script from: 25 Mar 2017 07:04 UTC +0000

##### release ###########################

Distributor ID: Ubuntu
Description:    Ubuntu 16.04.2 LTS
Release:    16.04
Codename:   xenial

##### kernel ############################

Linux 4.8.0-58-generic #63~16.04.1-Ubuntu SMP Mon Jun 26 18:08:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

Parameters: ro, quiet, splash, vt.handoff=7

##### desktop ###########################

Ubuntu

##### lspci #############################

02:00.0 Network controller [0280]: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
    Subsystem: Foxconn International, Inc. T77H126.00 802.11bgn Wireless Half-size Mini PCIe Card [105b:e017]
    Kernel driver in use: ath9k

09:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
    Subsystem: Sony Corporation AR8151 v2.0 Gigabit Ethernet [104d:908a]
    Kernel driver in use: atl1c

##### lsusb #############################

 - Bus 002 Device 004: ID 046d:c52f Logitech, Inc. Unifying Receiver Bus
  - 002 Device 003: ID 0900:1001 Pinnacle Systems, Inc.  Bus 002 Device
  - 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002
  - Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device
  - 003: ID 064e:a21b Suyin Corp.  Bus 001 Device 002: ID 8087:0024 Intel
  - Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002
  - Linux Foundation 2.0 root hub

##### PCMCIA card info ##################

##### rfkill ############################

0: sony-wifi: Wireless LAN
    Soft blocked: no
    Hard blocked: yes

1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes

##### lsmod #############################

 - acer_wmi               20480  0 sparse_keymap          16384  1
 -  acer_wmi ath9k                 147456  0 ath9k_common           36864
 -  1 ath9k ath9k_hw              475136  2 ath9k,ath9k_common ath       
 -  32768  3 ath9k_hw,ath9k,ath9k_common mac80211              761856  1
 -  ath9k cfg80211              581632  4 mac80211,ath9k,ath,ath9k_common
 -  mxm_wmi                16384  1 nouveau video                  40960 
 -  3 sony_laptop,acer_wmi,nouveau wmi                    16384  3
 -  acer_wmi,mxm_wmi,nouveau

##### interfaces ########################

auto lo
iface lo inet loopback

##### ifconfig ##########################

enp9s0    

 - Link encap:Ethernet  HWaddr <MAC 'enp9s0' [IF1]>  
 -            inet addr:192.168.1.10  Bcast:192.168.1.255  Mask:255.255.255.0
 -            inet6 addr: fe80::5be9:42aa:e206:1e3e/64 Scope:Link
 -            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
 -            RX packets:27646 errors:0 dropped:0 overruns:0 frame:0
 -            TX packets:17012 errors:0 dropped:0 overruns:0 carrier:5
 -            collisions:0 txqueuelen:1000 
 -            RX bytes:38851631 (38.8 MB)  TX bytes:1442279 (1.4 MB)

lo        

 - Link encap:Local Loopback  
 -            inet addr:127.0.0.1  Mask:255.0.0.0
 -            inet6 addr: ::1/128 Scope:Host
 -            UP LOOPBACK RUNNING  MTU:65536  Metric:1
 -            RX packets:1379 errors:0 dropped:0 overruns:0 frame:0
 -            TX packets:1379 errors:0 dropped:0 overruns:0 carrier:0
 -            collisions:0 txqueuelen:1 
 -            RX bytes:110965 (110.9 KB)  TX bytes:110965 (110.9 KB)

wlp2s0    

 - Link encap:Ethernet  HWaddr <MAC 'wlp2s0' [IF2]>  
 -            BROADCAST MULTICAST  MTU:1500  Metric:1
 -            RX packets:0 errors:0 dropped:0 overruns:0 frame:0
 -            TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
 -            collisions:0 txqueuelen:1000 
 -            RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

>##### iwconfig ##########################

 - lo        no wireless extensions.

 -  enp9s0    no wireless extensions.

 -  wlp2s0    IEEE 802.11  ESSID:off/any  
             Mode:Managed  Access Point: Not-Associated   Tx-Power=off   
             Retry short limit:7   RTS thr:off   Fragment thr:off
             Power Management:off

```

答案1

我们在您加载的模块中看到了这一点：

    acer_wmi               20480  0 sparse_keymap          16384  1
 -  acer_wmi ath9k                 147456  0 ath9k_common           36864
 -  1 ath9k ath9k_hw              475136  2 ath9k,ath9k_common ath       
 -  32768  3 ath9k_hw,ath9k,ath9k_common mac80211              761856  1
 -  ath9k cfg80211              581632  4 mac80211,ath9k,ath,ath9k_common
 -  mxm_wmi                16384  1 nouveau video                  40960 
 -  3 sony_laptop,acer_wmi,nouveau wmi                    16384  3
 -  acer_wmi,mxm_wmi,nouveau

我不相信你的笔记本电脑两个都一台宏碁和一台索尼。让我们把索尼笔记本电脑看看现在是否可以打开无线：

sudo -i
echo "blacklist sony_laptop"  >>  /etc/modprobe.d/blacklist.conf
exit

重新启动并让我们听到结果。

编辑：既然你发现黑名单没用，那我们就把它反一下：

sudo gedit /etc/modprobe.d/blaclist.conf

如果您没有文本编辑器 gedit，请使用 nano 或 Kate 或 Leafpad。将最后一行从：

blacklist sony_laptop

改为：

blacklist acer_wmi

仔细校对，保存并关闭文本编辑器。

重启。有什么改善吗？

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