脚本数据：wget -N -t 5 -T 10https://github.com/UbuntuForums/wireless-info/raw/master/wireless-info&& chmod +x 无线信息 && ./无线信息
########## wireless info START ##########
Report from: 01 Jun 2017 12:05 PDT -0700
Booted last: 01 Jun 2017 00:00 PDT -0700
Script from: 25 Mar 2017 07:04 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 17.04
Release: 17.04
Codename: zesty
##### kernel ############################
Linux 4.10.0-21-generic #23-Ubuntu SMP Fri Apr 28 16:13:17 UTC 2017 i686 i686 i686 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
Lubuntu
##### lspci #############################
10:00.0 Network controller [0280]: Broadcom Limited BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
Subsystem: Hewlett-Packard Company BCM4312 802.11b/g LP-PHY [103c:1508]
Kernel driver in use: b43-pci-bridge
30:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8042 PCI-E Fast Ethernet Controller [11ab:4357] (rev 10)
Subsystem: Hewlett-Packard Company 88E8042 PCI-E Fast Ethernet Controller [103c:308a]
Kernel driver in use: sky2
##### lsusb #############################
Bus 002 Device 002: ID 04f2:b159 Chicony Electronics Co., Ltd
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 03f0:231d Hewlett-Packard Broadcom 2070 Bluetooth Combo
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
##### PCMCIA card info ##################
##### rfkill ############################
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: hp-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no
2: hp-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
##### lsmod #############################
hp_wmi 16384 0
sparse_keymap 16384 1 hp_wmi
b43 397312 0
bcma 53248 1 b43
mac80211 700416 1 b43
cfg80211 532480 2 b43,mac80211
ssb 57344 1 b43
wmi 16384 1 hp_wmi
##### interfaces ########################
auto lo
iface lo inet loopback
##### ifconfig ##########################
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback <MAC address> brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp48s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether <MAC 'enp48s0' [IF1]> brd <MAC address>
inet 10.28.34.9/24 brd 10.28.34.255 scope global dynamic enp48s0
valid_lft 691190sec preferred_lft 691190sec
inet6 fe80::af79:ab54:7c4d:5f38/64 scope link
valid_lft forever preferred_lft forever
##### iwconfig ##########################
lo no wireless extensions.
enp48s0 no wireless extensions.
##### route #############################
default via 10.28.34.254 dev enp48s0 proto static metric 100
10.7.0.4 via 10.28.34.254 dev enp48s0 proto dhcp metric 100
10.28.34.0/24 dev enp48s0 proto kernel scope link src 10.28.34.9 metric 100
##### resolv.conf #######################
nameserver 127.0.0.53
##### network managers ##################
Installed:
NetworkManager
Running:
root 490 1 0 12:00 ? 00:00:00 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: enp48s0
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.VENDOR: Marvell Technology Group Ltd.
GENERAL.PRODUCT: 88E8042 PCI-E Fast Ethernet Controller
GENERAL.DRIVER: sky2
GENERAL.DRIVER-VERSION: 1.30
GENERAL.FIRMWARE-VERSION:
GENERAL.HWADDR: <MAC 'enp48s0' [IF1]>
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.5/0000:30:00.0/net/enp48s0
GENERAL.IP-IFACE: enp48s0
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: 4defba7a-a98b-388f-b095-37b180cc3877
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/0
GENERAL.METERED: no (guessed)
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: 100 Mb/s
CAPABILITIES.IS-SOFTWARE: no
WIRED-PROPERTIES.CARRIER: on
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{0}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 4defba7a-a98b-388f-b095-37b180cc3877 | Wired connection 1
IP4.ADDRESS[1]: 10.28.34.9/24
IP4.GATEWAY: 10.28.34.254
IP4.ROUTE[1]: dst = 10.7.0.4/32, nh = 10.28.34.254, mt = 100
IP4.DNS[1]: 10.1.1.7
IP4.DNS[2]: 10.7.0.4
IP4.DNS[3]: 10.21.40.181
IP4.DOMAIN[1]: whitworth.edu
IP4.WINS[1]: 10.1.1.7
IP4.WINS[2]: 10.7.0.4
DHCP4.OPTION[1]: requested_subnet_mask = 1
DHCP4.OPTION[2]: requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[3]: subnet_mask = 255.255.255.0
DHCP4.OPTION[4]: domain_name_servers = 10.1.1.7 10.7.0.4 10.21.40.181
DHCP4.OPTION[5]: ip_address = 10.28.34.9
DHCP4.OPTION[6]: requested_static_routes = 1
DHCP4.OPTION[7]: dhcp_server_identifier = 10.7.0.4
DHCP4.OPTION[8]: netbios_name_servers = 10.1.1.7 10.7.0.4
DHCP4.OPTION[9]: requested_time_offset = 1
DHCP4.OPTION[10]: broadcast_address = 10.28.34.255
DHCP4.OPTION[11]: requested_interface_mtu = 1
DHCP4.OPTION[12]: dhcp_rebinding_time = 604800
DHCP4.OPTION[13]: requested_domain_name_servers = 1
DHCP4.OPTION[14]: dhcp_message_type = 5
DHCP4.OPTION[15]: requested_broadcast_address = 1
DHCP4.OPTION[16]: routers = 10.28.34.254
DHCP4.OPTION[17]: dhcp_renewal_time = 345600
DHCP4.OPTION[18]: requested_domain_name = 1
DHCP4.OPTION[19]: domain_name = whitworth.edu
DHCP4.OPTION[20]: requested_routers = 1
DHCP4.OPTION[21]: expiry = 1497035112
DHCP4.OPTION[22]: requested_wpad = 1
DHCP4.OPTION[23]: requested_netbios_scope = 1
DHCP4.OPTION[24]: requested_ms_classless_static_routes = 1
DHCP4.OPTION[25]: requested_netbios_name_servers = 1
DHCP4.OPTION[26]: network_number = 10.28.34.0
DHCP4.OPTION[27]: requested_domain_search = 1
DHCP4.OPTION[28]: next_server = 0.0.0.0
DHCP4.OPTION[29]: requested_ntp_servers = 1
DHCP4.OPTION[30]: requested_host_name = 1
DHCP4.OPTION[31]: dhcp_lease_time = 691200
IP6.ADDRESS[1]: fe80::af79:ab54:7c4d:5f38/64
IP6.GATEWAY:
##### NetworkManager.state ##############
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
##### NetworkManager.conf ###############
[main]
plugins=ifupdown,keyfile
[ifupdown]
managed=false
##### NetworkManager profiles ###########
##### iw reg get ########################
Region: America/Los_Angeles (based on set time zone)
global
country 00: DFS-UNSET
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(2457 - 2482 @ 20), (N/A, 20), (N/A), AUTO-BW, NO-IR
(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, NO-IR
(5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW, NO-IR
(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW, 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 ###################
lo no frequency information.
enp48s0 no frequency information.
##### iwlist scan #######################
lo Interface doesn't support scanning.
enp48s0 Interface doesn't support scanning.
##### module infos ######################
[b43]
filename: /lib/modules/4.10.0-21-generic/kernel/drivers/net/wireless/broadcom/b43/b43.ko
firmware: b43/ucode9.fw
firmware: b43/ucode5.fw
firmware: b43/ucode16_mimo.fw
firmware: b43/ucode15.fw
firmware: b43/ucode14.fw
firmware: b43/ucode13.fw
firmware: b43/ucode11.fw
license: GPL
author: Rafał Miłecki
author: Gábor Stefanik
author: Michael Buesch
author: Stefano Brivio
author: Martin Langer
description: Broadcom B43 wireless driver
srcversion: 5F955FFEA61C80144A2B433
depends: mac80211,ssb,bcma,cfg80211
intree: Y
vermagic: 4.10.0-21-generic SMP mod_unload 686
parm: bad_frames_preempt:enable(1) / disable(0) Bad Frames Preemption (int)
parm: fwpostfix:Postfix for the .fw files to load. (string)
parm: hwpctl:Enable hardware-side power control (default off) (int)
parm: nohwcrypt:Disable hardware encryption. (int)
parm: hwtkip:Enable hardware tkip. (int)
parm: qos:Enable QOS support (default on) (int)
parm: btcoex:Enable Bluetooth coexistence (default on) (int)
parm: verbose:Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug (int)
parm: pio:Use PIO accesses by default: 0=DMA, 1=PIO (int)
parm: allhwsupport:Enable support for all hardware (even it if overlaps with the brcmsmac driver) (int)
[bcma]
filename: /lib/modules/4.10.0-21-generic/kernel/drivers/bcma/bcma.ko
license: GPL
description: Broadcom's specific AMBA driver
srcversion: C645ADA4C8790A787B7C8E9
depends:
intree: Y
vermagic: 4.10.0-21-generic SMP mod_unload 686
[mac80211]
filename: /lib/modules/4.10.0-21-generic/kernel/net/mac80211/mac80211.ko
license: GPL
description: IEEE 802.11 subsystem
srcversion: 25AD08C8BBFD528CC9B45E2
depends: cfg80211
intree: Y
vermagic: 4.10.0-21-generic SMP mod_unload 686
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/4.10.0-21-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: D77C8F93375950F3BA95B16
depends:
intree: Y
vermagic: 4.10.0-21-generic SMP mod_unload 686
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)
[ssb]
filename: /lib/modules/4.10.0-21-generic/kernel/drivers/ssb/ssb.ko
license: GPL
description: Sonics Silicon Backplane driver
srcversion: 38B7A1BE5CF467C3CF164D5
depends:
intree: Y
vermagic: 4.10.0-21-generic SMP mod_unload 686
##### module parameters #################
[b43]
allhwsupport: 0
bad_frames_preempt: 0
btcoex: 1
hwpctl: 0
hwtkip: 0
nohwcrypt: 0
pio: 0
qos: 1
verbose: 2
[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/libpisock9.conf]
blacklist visor
[/etc/modprobe.d/mlx4.conf]
softdep mlx4_core post: mlx4_en
##### rc.local ##########################
grep: /etc/rc.local: No such file or directory
##### pm-utils ##########################
##### udev rules ########################
##### dmesg #############################
[ 315.989205] sky2 0000:30:00.0 enp48s0: Link is up at 100 Mbps, full duplex, flow control rx
[ 315.989235] IPv6: ADDRCONF(NETDEV_CHANGE): enp48s0: link becomes ready
########## wireless info END ############
答案1
我认为您可能需要卸载然后重新安装该bcmwl-kernel-source软件包。
首先打开终端并输入：
sudo apt-get remove bcmwl-kernel-source
然后输入：
sudo apt-get install bcmwl-kernel-source
然后重新启动笔记本电脑。