針對不同的人/筆記型電腦發布了解決方案，即
sudo apt purge bcmwl-kernel-source
sudo apt install firmware-b43-installer
不適合我。我有一台 HP 250-G3。我有以下資訊可能會有所幫助（如下）。有誰知道我是否安裝了錯誤的驅動程式以及如何安裝它？
configuration: driver=pcieport
resources: irq:17 ioport:4000(size=4096) memory:90700000-907fffff
*-network
description: Wireless interface
product: RT3290 Wireless 802.11n 1T/1R PCIe
vendor: Ralink corp.
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0f0
version: 00
serial: c0:38:96:87:65:33
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rt2800pci driverversion=4.4.0-21-generic firmware=0.37 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn