如何使用 Broadcom 有限的 bcm4313 适配器在戴尔纬度上的 ubuntu 16.04 中启用 wifi？

Question

如何使用 Broadcom 限制的 bcm4313 适配器在戴尔纬度上的 ubuntu 16.04 中启用 wifi？

sudo lshw c -network
 *-network DISABLED        
       description: Wireless interface
       product: BCM4313 802.11bgn Wireless Network Adapter
       vendor: Broadcom Limited
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: wlp2s0
       version: 01
       serial: bc:85:56:a9:14:db
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=wl0 driverversion=6.30.223.248 (r487574) latency=0 multicast=yes wireless=IEEE 802.11
       resources: irq:17 memory:f7d00000-f7d03fff

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.10
Release:    16.10
Codename:   yakkety

lspci -knn | grep Net -A3
00:19.0 Ethernet controller [0200]: Intel Corporation 82579LM Gigabit Network Connection [8086:1502] (rev 04)
    DeviceName:  Onboard LAN
    Subsystem: Dell 82579LM Gigabit Network Connection [1028:0534]
    Kernel driver in use: e1000e
    Kernel modules: e1000e
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
--
02:00.0 Network controller [0280]: Broadcom Limited BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
    Subsystem: Dell BCM4313 802.11bgn Wireless Network Adapter [1028:0015]
    Kernel driver in use: wl
    Kernel modules: bcma, wl
0b:00.0 SD Host controller [0805]: O2 Micro, Inc. OZ600FJ0/OZ900FJ0/OZ600FJS SD/MMC Card Reader Controller [1217:8221] (rev 05)

rfkill list
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: brcmwl-0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
4: dell-wifi: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
5: dell-bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: yes

Answer 1

根据您的rfkill list输出，您的无线适配器被硬件阻止。

据我所知，戴尔计算机的硬件开关已关闭。你需要打开它。根据型号，它可能是 Fn+some Fx 组合键。

您还可以检查 BIOS 以查看那里是否启用了无线。

如果你真的找不到硬件开关，你可以停下dell_wmi来

sudo modprobe -r dell_wmi