我已经在 Google 上搜索了几个小时，但没有任何内容能够帮助我。
我在全新安装的 Ubuntu 20.04 上。我的 wifi 适配器被检测到，但无法找到任何网络。有时来自邻居的随机网络会短暂出现，但片刻之后就会消失。
我已经尝试过sudo service network-manager restart卸载驱动程序、安装新驱动程序，以及我能找到的所有方法，但没有任何变化。
lshw -C network：
*-network
description: Wireless interface
product: BCM4360 802.11ac Wireless Network Adapter
vendor: Broadcom Inc. and subsidiaries
physical id: 0
bus info: pci@0000:0a:00.0
logical name: wlp10s0
version: 03
serial: c0:25:e9:cc:06:51
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=wl0 driverversion=6.30.223.271 (r587334) latency=0 multicast=yes wireless=IEEE 802.11
resources: irq:19 memory:ef400000-ef407fff memory:ef200000-ef3fffff
*-network
description: Ethernet interface
product: Ethernet Connection (2) I219-V
vendor: Intel Corporation
physical id: 1f.6
bus info: pci@0000:00:1f.6
logical name: enp0s31f6
version: 00
serial: e0:d5:5e:29:b5:12
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=0.2-4 latency=0 link=no multicast=yes port=twisted pair
resources: irq:141 memory:ef600000-ef61ffff
rfkill list all：
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
2: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: no
dmesg | grep wl：
[ 11.894798] wl: loading out-of-tree module taints kernel.
[ 11.894801] wl: module license 'MIXED/Proprietary' taints kernel.
[ 11.895961] wl: module verification failed: signature and/or required key missing - tainting kernel
[ 11.961398] wlan0: Broadcom BCM43a0 802.11 Hybrid Wireless Controller 6.30.223.271 (r587334)
[ 12.218254] wl 0000:0a:00.0 wlp10s0: renamed from wlan0
[ 271.002236] IPv6: ADDRCONF(NETDEV_CHANGE): wlp10s0: link becomes ready
[ 417.453575] ERROR @wl_dev_intvar_get :
[ 417.453583] ERROR @wl_cfg80211_get_tx_power :
lspci -knn | grep Net -A3：
0a:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4360 802.11ac Wireless Network Adapter [14e4:43a0] (rev 03)
Subsystem: Broadcom Inc. and subsidiaries BCM4360 802.11ac Wireless Network Adapter [14e4:0619]
Kernel driver in use: wl
Kernel modules: bcma, wl