我电脑上的无线网突然停止工作了，尽管有线网可以连接。我找不到可以解决我问题的答案，所以我提出了这个问题。我希望它可以修复。以下是一些我认为可能有帮助的信息：
sudo lshw -c network
*-network
description: Wireless interface
product: BCM4313 802.11bgn Wireless Network Adapter
vendor: Broadcom Limited
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0b1
version: 01
serial: 32:c2:79:cb:89:6e
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=brcmsmac driverversion=4.10.0-42-generic firmware=610.812 latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:17 memory:d4000000-d4003fff
lspci -v | grep -iA 7 network
03:00.0 Network controller: Broadcom Limited BCM4313 802.11bgn Wireless Network Adapter (rev 01)
Subsystem: Askey Computer Corp. BCM4313 802.11bgn Wireless Network Adapter
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at d4000000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: bcma-pci-bridge
Kernel modules: bcma
iw dev
phy#0
Interface wlp3s0b1
ifindex 3
wdev 0x1
addr 32:c2:79:cb:89:6e
type managed
txpower 30.00 dBm
memo@poc:~$ dmesg | grep bcma
[ 1.334379] bcma: bus0: Found chip with id 0x4313, rev 0x01 and package 0x08
[ 1.334414] bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x24, class 0x0)
[ 1.334439] bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x18, class 0x0)
[ 1.334666] bcma: bus0: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x11, class 0x0)
[ 1.347583] bcma: bus0: Bus registered
[ 21.079275] b43: probe of bcma0:1 failed with error -524
[ 21.432623] brcmsmac bcma0:1: mfg 4bf core 812 rev 24 class 0 irq 17
[ 23.298932] brcmsmac bcma0:1 wlp3s0b1: renamed from wlan0
[ 26.736881] brcmsmac bcma0:1: brcms_ops_bss_info_changed: qos enabled: false (implement)
所以基本上扫描返回的是空的（但它应该是因为我可以在我的手机上访问它）。
memo@poc:~$ sudo iw dev wlp3s0b1 scan
memo@poc:~$
谢谢大家的帮助，如果我需要做其他事情，请告诉我