我有一台 Ubuntu 17.04 机器。并且 Wifi 选项不可见。它以前有效。我尝试了以下命令。
sudo service networking restart
sudo service network-manager restart
命令ifconfig输出如下。
运行无线信息脚本得到以下结果。
########## wireless info START ##########
Report from: 22 Sep 2017 02:19 +0530 +0530
Booted last: 22 Sep 2017 00:00 +0530 +0530
Script from: 25 Mar 2017 07:04 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 17.04
Release: 17.04
Codename: zesty
##### kernel ############################
Linux 4.10.0-35-generic #39-Ubuntu SMP Wed Sep 13 07:46:59 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
Ubuntu
##### lspci #############################
01:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188EE Wireless Network Adapter [10ec:8179] (rev 01)
DeviceName: Realtek 802.11 b/g/n w/ *2 antennas
Subsystem: Hewlett-Packard Company RTL8188EE mini-PCIe card [103c:197d]
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
DeviceName: Realtek PCIe FE Family Controller
Subsystem: Hewlett-Packard Company RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [103c:2186]
##### lsusb #############################
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 046d:c534 Logitech, Inc. Unifying Receiver
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
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 04f2:b40d Chicony Electronics Co., Ltd
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
##### PCMCIA card info ##################
##### rfkill ############################
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
##### lsmod #############################
hp_wmi 16384 0
sparse_keymap 16384 1 hp_wmi
rtl8188ee 90112 0
rtl_pci 28672 1 rtl8188ee
rtlwifi 73728 2 rtl_pci,rtl8188ee
mac80211 782336 3 rtl_pci,rtl8188ee,rtlwifi
cfg80211 602112 2 mac80211,rtlwifi
wmi 16384 1 hp_wmi
##### interfaces ########################
auto lo
iface lo inet loopback
##### ifconfig ##########################
eth0: flags=4098<BROADCAST,MULTICAST> mtu 1500
ether <MAC address> txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 340 bytes 25040 (25.0 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 340 bytes 25040 (25.0 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.9 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fd9c:c172:9a22:da00:d2c9:2393:6511:b63c prefixlen 64 scopeid 0x0<global>
inet6 fe80::2169:42ad:60bd:96c3 prefixlen 64 scopeid 0x20<link>
inet6 fd9c:c172:9a22:da00:dc56:8d9e:e455:32d0 prefixlen 64 scopeid 0x0<global>
ether <MAC address> txqueuelen 1000 (Ethernet)
RX packets 4010 bytes 4105414 (4.1 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3872 bytes 482924 (482.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
##### iwconfig ##########################
eth0 no wireless extensions.
lo no wireless extensions.
wlan0 IEEE 802.11 ESSID:"BELL4G"
Mode:Managed Frequency:2.412 GHz Access Point: <MAC 'BELL4G' [AC1]>
Bit Rate=135 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-20 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
##### route #############################
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 600 0 0 wlan0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan0
192.168.1.0 0.0.0.0 255.255.255.0 U 600 0 0 wlan0
##### resolv.conf #######################
nameserver 127.0.0.53
##### network managers ##################
Installed:
NetworkManager
Running:
root 818 1 0 02:16 ? 00:00:01 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: wlan0
GENERAL.TYPE: wifi
GENERAL.NM-TYPE: NMDeviceWifi
GENERAL.VENDOR: Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT: RTL8188EE Wireless Network Adapter (RTL8188EE mini-PCIe card)
GENERAL.DRIVER: rtl8188ee
GENERAL.DRIVER-VERSION: 4.10.0-35-generic
GENERAL.FIRMWARE-VERSION: N/A
GENERAL.HWADDR: <MAC address>
GENERAL.MTU: 0
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/net/wlan0
GENERAL.IP-IFACE: wlan0
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: BELL4G
GENERAL.CON-UUID: 02b9fe29-6c23-4701-98a7-14961e16ef44
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/0
GENERAL.METERED: no (guessed)
CAPABILITIES.CARRIER-DETECT: no
CAPABILITIES.SPEED: 135 Mb/s
CAPABILITIES.IS-SOFTWARE: no
WIFI-PROPERTIES.WEP: yes
WIFI-PROPERTIES.WPA: yes
WIFI-PROPERTIES.WPA2: yes
WIFI-PROPERTIES.TKIP: yes
WIFI-PROPERTIES.CCMP: yes
WIFI-PROPERTIES.AP: yes
WIFI-PROPERTIES.ADHOC: yes
WIFI-PROPERTIES.2GHZ: yes
WIFI-PROPERTIES.5GHZ: no
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{0}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 02b9fe29-6c23-4701-98a7-14961e16ef44 | BELL4G
IP4.ADDRESS[1]: 192.168.1.9/24
IP4.GATEWAY: 192.168.1.1
IP4.ROUTE[1]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]: 119.235.0.4
IP4.DNS[2]: 8.8.8.8
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_wpad = 1
DHCP4.OPTION[8]: requested_netbios_scope = 1
DHCP4.OPTION[9]: next_server = 0.0.0.0
DHCP4.OPTION[10]: expiry = 1506113172
DHCP4.OPTION[11]: requested_interface_mtu = 1
DHCP4.OPTION[12]: requested_subnet_mask = 1
DHCP4.OPTION[13]: dhcp_lease_time = 86400
DHCP4.OPTION[14]: dhcp_message_type = 5
DHCP4.OPTION[15]: ip_address = 192.168.1.9
DHCP4.OPTION[16]: requested_static_routes = 1
DHCP4.OPTION[17]: requested_domain_name_servers = 1
DHCP4.OPTION[18]: dhcp_renewal_time = 43200
DHCP4.OPTION[19]: routers = 192.168.1.1
DHCP4.OPTION[20]: broadcast_address = 192.168.1.255
DHCP4.OPTION[21]: domain_name_servers = 119.235.0.4 8.8.8.8
DHCP4.OPTION[22]: requested_ntp_servers = 1
DHCP4.OPTION[23]: requested_netbios_name_servers = 1
DHCP4.OPTION[24]: dhcp_rebinding_time = 75600
DHCP4.OPTION[25]: requested_ms_classless_static_routes = 1
DHCP4.OPTION[26]: subnet_mask = 255.255.255.0
DHCP4.OPTION[27]: network_number = 192.168.1.0
DHCP4.OPTION[28]: requested_host_name = 1
DHCP4.OPTION[29]: dhcp_server_identifier = 192.168.1.1
IP6.ADDRESS[1]: fd9c:c172:9a22:da00:dc56:8d9e:e455:32d0/64
IP6.ADDRESS[2]: fd9c:c172:9a22:da00:d2c9:2393:6511:b63c/64
IP6.ADDRESS[3]: fe80::2169:42ad:60bd:96c3/64
IP6.GATEWAY:
IP6.ROUTE[1]: dst = fd9c:c172:9a22:da00::/64, nh = ::, mt = 600
IP6.DNS[1]: fe80::1
DHCP6.OPTION[1]: requested_dhcp6_domain_search = 1
DHCP6.OPTION[2]: dhcp6_name_servers = fe80::1
DHCP6.OPTION[3]: dhcp6_server_id = 0:1:0:1:17:c2:8c:85:9c:c1:72:9a:22:da
DHCP6.OPTION[4]: requested_dhcp6_client_id = 1
DHCP6.OPTION[5]: requested_dhcp6_name_servers = 1
DHCP6.OPTION[6]: dhcp6_client_id = 0:4:c2:95:f3:15:e1:77:c7:37:bb:a0:b1:90:3e:a9:fb:ec
GENERAL.DEVICE: eth0
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.VENDOR: Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
GENERAL.DRIVER: r8169
GENERAL.DRIVER-VERSION: 2.3LK-NAPI
GENERAL.FIRMWARE-VERSION:
GENERAL.HWADDR: <MAC address>
GENERAL.MTU: 1500
GENERAL.STATE: 10 (unmanaged)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /virtual/device/placeholder/1
GENERAL.IP-IFACE: eth0
GENERAL.IS-SOFTWARE: no
GENERAL.NM-MANAGED: no
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.NM-PLUGIN-MISSING: no
GENERAL.PHYS-PORT-ID: --
GENERAL.CONNECTION: --
GENERAL.CON-UUID: --
GENERAL.CON-PATH: --
GENERAL.METERED: unknown
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: unknown
CAPABILITIES.IS-SOFTWARE: no
WIRED-PROPERTIES.CARRIER: off
CONNECTIONS.AVAILABLE-CONNECTION-PATHS:
IP4.GATEWAY:
IP6.GATEWAY:
SSID BSSID MODE CHAN FREQ RATE SIGNAL BARS SECURITY ACTIVE *
BELL4G <MAC 'BELL4G' [AC1]> Infra 1 2412 MHz 54 Mbit/s 96 ▂▄▆█ WPA1 WPA2 yes *
##### NetworkManager.state ##############
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
##### NetworkManager.conf ###############
[main]
plugins=ifupdown,keyfile
[ifupdown]
managed=false
##### NetworkManager profiles ###########
[[/etc/NetworkManager/system-connections/BELL4G]] (600 root)
[connection] id=BELL4G | type=wifi | permissions=user:isuru:;
[wifi] mac-address=<MAC address> | mac-address-blacklist= | ssid=BELL4G
[ipv4] method=auto
[ipv6] method=auto
##### iw reg get ########################
Region: Asia/Colombo (based on set time zone)
global
country US: DFS-FCC
(2402 - 2472 @ 40), (N/A, 30), (N/A)
(5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
(5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW
(5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS
(5735 - 5835 @ 80), (N/A, 30), (N/A)
(57240 - 63720 @ 2160), (N/A, 40), (N/A)
##### iwlist channels ###################
eth0 no frequency information.
lo no frequency information.
wlan0 11 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Current Frequency:2.412 GHz (Channel 1)
##### iwlist scan #######################
eth0 Interface doesn't support scanning.
lo Interface doesn't support scanning.
Channel occupancy:
1 APs on Frequency:2.412 GHz (Channel 1)
1 APs on Frequency:2.437 GHz (Channel 6)
wlan0 Scan completed :
Cell 01 - Address: <MAC 'BELL4G' [AC1]>
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=70/70 Signal level=-22 dBm
Encryption key:on
ESSID:"BELL4G"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=0000000c7f0d295d
Extra: Last beacon: 40ms ago
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
Cell 02 - Address: <MAC 'SLT-4G_10CDEF' [AC2]>
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=28/70 Signal level=-82 dBm
Encryption key:on
ESSID:"SLT-4G_10CDEF"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000000ba78ea187
Extra: Last beacon: 1192ms ago
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
##### module infos ######################
[rtl8188ee]
filename: /lib/modules/4.10.0-35-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rtl8188ee.ko
firmware: rtlwifi/rtl8188efw.bin
description: Realtek 8188E 802.11n PCI wireless
license: GPL
author: Larry Finger <[email protected]>
author: Realtek WlanFAE <[email protected]>
author: zhiyuan_yang <[email protected]>
srcversion: CEF47E154DF31A67353AC40
depends: rtlwifi,rtl_pci,mac80211
intree: Y
vermagic: 4.10.0-35-generic SMP mod_unload
parm: swenc:Set to 1 for software crypto (default 0)
(bool)
parm: ips:Set to 0 to not use link power save (default 1)
(bool)
parm: swlps:Set to 1 to use SW control power save (default 0)
(bool)
parm: fwlps:Set to 1 to use FW control power save (default 1)
(bool)
parm: msi:Set to 1 to use MSI interrupts mode (default 1)
(bool)
parm: debug:Set debug level (0-5) (default 0) (int)
parm: disable_watchdog:Set to 1 to disable the watchdog (default 0)
(bool)
[rtl_pci]
filename: /lib/modules/4.10.0-35-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl_pci.ko
description: PCI basic driver for rtlwifi
license: GPL
author: Larry Finger <[email protected]>
author: Realtek WlanFAE <[email protected]>
author: lizhaoming <[email protected]>
srcversion: B93F82B28F7945C22514E4D
depends: mac80211,rtlwifi
intree: Y
vermagic: 4.10.0-35-generic SMP mod_unload
[rtlwifi]
filename: /lib/modules/4.10.0-35-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtlwifi.ko
description: Realtek 802.11n PCI wireless core
license: GPL
author: Larry Finger <[email protected]>
author: Realtek WlanFAE <[email protected]>
author: lizhaoming <[email protected]>
srcversion: 884DE3F31278351A45DA409
depends: mac80211,cfg80211
intree: Y
vermagic: 4.10.0-35-generic SMP mod_unload
[mac80211]
filename: /lib/modules/4.10.0-35-generic/kernel/net/mac80211/mac80211.ko
license: GPL
description: IEEE 802.11 subsystem
srcversion: 309C9ACED540FCAA1DE7422
depends: cfg80211
intree: Y
vermagic: 4.10.0-35-generic SMP mod_unload
parm: minstrel_vht_only:Use only VHT rates when VHT is supported by sta. (bool)
parm: max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
parm: max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
parm: beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
parm: probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
parm: ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)
[cfg80211]
filename: /lib/modules/4.10.0-35-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: D77C8F93375950F3BA95B16
depends:
intree: Y
vermagic: 4.10.0-35-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 #################
[rtl8188ee]
debug: 0
disable_watchdog: N
fwlps: N
ips: N
msi: Y
swenc: N
swlps: N
[mac80211]
beacon_loss_count: 7
ieee80211_default_rc_algo: minstrel_ht
max_nullfunc_tries: 2
max_probe_tries: 5
minstrel_vht_only: Y
probe_wait_ms: 500
[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.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/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
[/etc/modprobe.d/modesetting.conf]
options cirrus modeset=1
options mgag200 modeset=1
##### rc.local ##########################
exit 0
##### pm-utils ##########################
##### udev rules ########################
[/etc/udev/rules.d/70-persistent-net.rules]
# PCI device 0x10ec:0x8136 (r8169)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC address>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
# PCI device 0x10ec:0x8179 (rtl8188ee)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC address>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
##### dmesg #############################
[ 23.337682] rtl8188ee: rtl8188ee: Power Save off (module option)
[ 23.337684] rtl8188ee: rtl8188ee: FW Power Save off (module option)
[ 23.338436] rtl8188ee: Using firmware rtlwifi/rtl8188efw.bin
[ 23.391465] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
[ 23.392199] rtlwifi: rtlwifi: wireless switch is on
[ 31.180585] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready (repeated 5 times)
[ 36.608213] wlan0: authenticate with <MAC 'BELL4G' [AC1]>
[ 36.618421] wlan0: send auth to <MAC 'BELL4G' [AC1]> (try 1/3)
[ 36.620004] wlan0: authenticated
[ 36.620484] wlan0: associate with <MAC 'BELL4G' [AC1]> (try 1/3)
[ 36.624316] wlan0: RX AssocResp from <MAC 'BELL4G' [AC1]> (capab=0x411 status=0 aid=2)
[ 36.624622] wlan0: associated
[ 36.624744] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
########## wireless info END ############
答案1
从终端开始运行命令的最佳方式dmesg。如果您查找红线，您将能够轻松找到错误，尝试查找与您的无线网卡相关的任何内容，例如缺少固件。Realtek Wireless 通常需要固件，尝试找到文件名，如果您无法安装该文件，请编辑您的帖子。