自从在我的笔记本电脑（Asus X405U）上安装 Ubuntu 16.04 以来，我就看不到 wifi。我尝试了这里找到的几种方法，但仍然没有 wifi。
rfkill list只显示蓝牙，但没有无线。
我安装了 MT7630E-release，但它不起作用。安装后bcmwl-kernel-source也没有改变任何东西。
此外，除了一个名为“未知”的驱动程序并且选择了“使用来自 intel-microcode（开源）的英特尔 CPU 处理器微码固件”之外，我没有其他附加驱动程序。
这是我的 wireless-info.txt：
########## wireless info START ##########
Report from: 21 Feb 2018 09:09 -05 -0500
Booted last: 21 Feb 2018 00:00 -05 -0500
Script from: 10 Jan 2018 20:04 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 16.04.3 LTS
Release: 16.04
Codename: xenial
##### kernel ############################
Linux 4.10.0-28-generic #32~16.04.2-Ubuntu SMP Thu Jul 20 10:19:48 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
Ubuntu
##### lspci #############################
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: ASUSTeK Computer Inc. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1043:200f]
Kernel driver in use: r8169
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:b822]
Subsystem: AzureWave Device [1a3b:2950]
Kernel modules: wl
##### lsusb #############################
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 13d3:3526 IMC Networks
Bus 001 Device 002: ID 13d3:5a03 IMC Networks
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
##### PCMCIA card info ##################
##### rfkill ############################
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
##### lsmod #############################
wl 6447104 0
cfg80211 602112 1 wl
asus_nb_wmi 28672 0
asus_wmi 28672 1 asus_nb_wmi
sparse_keymap 16384 1 asus_wmi
wmi 16384 1 asus_wmi
video 40960 2 asus_wmi,i915
##### interfaces ########################
[/etc/network/interfaces]
auto lo
iface lo inet loopback
##### ifconfig ##########################
enp2s0 Link encap:Ethernet HWaddr <MAC 'enp2s0' [IF1]>
inet addr:192.168.0.10 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::b99d:f26:a5f5:aea4/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:248463 errors:0 dropped:0 overruns:0 frame:0
TX packets:120873 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:366539970 (366.5 MB) TX bytes:9998060 (9.9 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:4744 errors:0 dropped:0 overruns:0 frame:0
TX packets:4744 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:379676 (379.6 KB) TX bytes:379676 (379.6 KB)
##### iwconfig ##########################
enp2s0 no wireless extensions.
lo no wireless extensions.
##### route #############################
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.0.1 0.0.0.0 UG 100 0 0 enp2s0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp2s0
192.168.0.0 0.0.0.0 255.255.255.0 U 100 0 0 enp2s0
##### resolv.conf #######################
nameserver 192.168.0.1
nameserver fe80::1%enp2s0
##### network managers ##################
Installed:
NetworkManager
Running:
root 4419 1 0 08:56 ? 00:00:00 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: enp2s0
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.VENDOR: Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
GENERAL.DRIVER: r8169
GENERAL.DRIVER-VERSION: 2.3LK-NAPI
GENERAL.FIRMWARE-VERSION: rtl8168h-2_0.0.2 02/26/15
GENERAL.HWADDR: <MAC 'enp2s0' [IF1]>
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.4/0000:02:00.0/net/enp2s0
GENERAL.IP-IFACE: enp2s0
GENERAL.IS-SOFTWARE: no
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.NM-PLUGIN-MISSING: no
GENERAL.PHYS-PORT-ID: --
GENERAL.CONNECTION: Wired connection 1
GENERAL.CON-UUID: 44f5b4d3-272c-3f55-b481-6c58d1270c23
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/1
GENERAL.METERED: no (guessed)
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: 1000 Mb/s
CAPABILITIES.IS-SOFTWARE: no
WIRED-PROPERTIES.CARRIER: on
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{0}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 44f5b4d3-272c-3f55-b481-6c58d1270c23 | Wired connection 1
IP4.ADDRESS[1]: 192.168.0.10/24
IP4.GATEWAY: 192.168.0.1
IP4.ROUTE[1]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]: 192.168.0.1
DHCP4.OPTION[1]: requested_routers = 1
DHCP4.OPTION[2]: requested_domain_search = 1
DHCP4.OPTION[3]: requested_time_offset = 1
DHCP4.OPTION[4]: requested_domain_name = 1
DHCP4.OPTION[5]: requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[6]: requested_broadcast_address = 1
DHCP4.OPTION[7]: requested_netbios_scope = 1
DHCP4.OPTION[8]: requested_wpad = 1
DHCP4.OPTION[9]: next_server = 0.0.0.0
DHCP4.OPTION[10]: expiry = 1519307841
DHCP4.OPTION[11]: requested_interface_mtu = 1
DHCP4.OPTION[12]: requested_subnet_mask = 1
DHCP4.OPTION[13]: routers = 192.168.0.1
DHCP4.OPTION[14]: dhcp_message_type = 5
DHCP4.OPTION[15]: ip_address = 192.168.0.10
DHCP4.OPTION[16]: requested_static_routes = 1
DHCP4.OPTION[17]: requested_domain_name_servers = 1
DHCP4.OPTION[18]: dhcp_lease_time = 86400
DHCP4.OPTION[19]: broadcast_address = 192.168.0.255
DHCP4.OPTION[20]: requested_ntp_servers = 1
DHCP4.OPTION[21]: requested_netbios_name_servers = 1
DHCP4.OPTION[22]: domain_name_servers = 192.168.0.1
DHCP4.OPTION[23]: requested_ms_classless_static_routes = 1
DHCP4.OPTION[24]: subnet_mask = 255.255.255.0
DHCP4.OPTION[25]: network_number = 192.168.0.0
DHCP4.OPTION[26]: requested_host_name = 1
DHCP4.OPTION[27]: dhcp_server_identifier = 192.168.0.1
IP6.ADDRESS[1]: fe80::b99d:f26:a5f5:aea4/64
IP6.GATEWAY: fe80::1
IP6.ROUTE[1]: dst = fe80::1/128, nh = ::, mt = 100
IP6.DNS[1]: fe80::1
##### NetworkManager.state ##############
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
##### NetworkManager.conf ###############
[main]
plugins=ifupdown,keyfile
[ifupdown]
managed=false
[device]
wifi.scan-rand-mac-address=no
##### NetworkManager profiles ###########
##### Netplan config ####################
##### iw reg get ########################
Region: America/Bogota (based on set time zone)
country 00: DFS-UNSET
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(2457 - 2482 @ 40), (N/A, 20), (N/A), NO-IR
(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, NO-IR
(5170 - 5250 @ 80), (N/A, 20), (N/A), NO-IR
(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, NO-IR
(5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, NO-IR
(5735 - 5835 @ 80), (N/A, 20), (N/A), NO-IR
(57240 - 63720 @ 2160), (N/A, 0), (N/A)
##### iwlist channels ###################
enp2s0 no frequency information.
lo no frequency information.
##### iwlist scan #######################
enp2s0 Interface doesn't support scanning.
lo Interface doesn't support scanning.
##### module infos ######################
[wl]
filename: /lib/modules/4.10.0-28-generic/updates/dkms/wl.ko
license: MIXED/Proprietary
srcversion: E179A1F6EAA13B7BC9AF7C6
depends: cfg80211
vermagic: 4.10.0-28-generic SMP mod_unload
parm: passivemode:int
parm: wl_txq_thresh:int
parm: oneonly:int
parm: piomode:int
parm: instance_base:int
parm: nompc:int
parm: intf_name:string
[cfg80211]
filename: /lib/modules/4.10.0-28-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: D77C8F93375950F3BA95B16
depends:
intree: Y
vermagic: 4.10.0-28-generic SMP mod_unload
parm: bss_entries_limit:limit to number of scan BSS entries (per wiphy, default 1000) (int)
parm: ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm: cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)
##### module parameters #################
[cfg80211]
bss_entries_limit: 1000
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00
##### /etc/modules ######################
##### modprobe options ##################
[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci
[/etc/modprobe.d/blacklist-bcm43.conf]
blacklist b43
blacklist b43legacy
blacklist ssb
blacklist bcm43xx
blacklist brcm80211
blacklist brcmfmac
blacklist brcmsmac
blacklist bcma
[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist i2c_i801
blacklist prism54
blacklist bcm43xx
blacklist garmin_gps
blacklist asus_acpi
blacklist snd_pcsp
blacklist pcspkr
blacklist amd76x_edac
[/etc/modprobe.d/blacklist-rare-network.conf]
alias net-pf-3 off
alias net-pf-6 off
alias net-pf-9 off
alias net-pf-11 off
alias net-pf-12 off
alias net-pf-19 off
alias net-pf-21 off
alias net-pf-36 off
[/etc/modprobe.d/intel-microcode-blacklist.conf]
blacklist microcode
[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211
[/etc/modprobe.d/mlx4.conf]
softdep mlx4_core post: mlx4_en
##### rc.local ##########################
exit 0
##### pm-utils ##########################
##### udev rules ########################
##### dmesg #############################
[ 20.438701] IPv6: ADDRCONF(NETDEV_UP): enp2s0: link is not ready
[ 20.517386] r8169 0000:02:00.0 enp2s0: link down
[ 20.517465] IPv6: ADDRCONF(NETDEV_UP): enp2s0: link is not ready (repeated 2 times)
[ 280.917440] r8169 0000:02:00.0 enp2s0: link up
[ 280.917456] IPv6: ADDRCONF(NETDEV_CHANGE): enp2s0: link becomes ready
[ 3436.494029] wl: loading out-of-tree module taints kernel.
[ 3436.494036] wl: module license 'MIXED/Proprietary' taints kernel.
[ 3436.497213] wl: module verification failed: signature and/or required key missing - tainting kernel
[ 3867.419673] r8169 0000:02:00.0 enp2s0: link down
[ 3888.119666] r8169 0000:02:00.0 enp2s0: link up
########## wireless info END ############
请帮忙，谢谢。