我知道 Broadcom 与 Fedora 的配合不太好，我已经处理这个问题好几年了，也处理了多个版本。过去，安装 kmod-wl 或 akmod-wl 通常足以让一切正常运行（在很久以前将 b43 和 b43 旧版列入黑名单之后）。
细节：
联想 Thinkpad Twist s230u
uname -r
4.9.5-200.fc25.x86_64
lspci -vnn -d 14e4：
03:00.0 Network controller [0280]: Broadcom Limited BCM43228 802.11a/b/g/n [14e4:4359]
Subsystem: Broadcom Limited Device [14e4:0607]
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at f1d00000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel modules: bcma
rpm-qa| grep -e 内核 -e Broadcom-wl -e kmod-wl |种类
abrt-addon-kerneloops-2.9.0-1.fc25.x86_64
akmod-wl-6.30.223.271-7.fc25.x86_64
broadcom-wl-6.30.223.271-1.fc24.noarch
kernel-4.8.6-300.fc25.x86_64
kernel-4.9.5-200.fc25.x86_64
kernel-core-4.8.6-300.fc25.x86_64
kernel-core-4.9.5-200.fc25.x86_64
kernel-debug-devel-4.9.5-200.fc25.x86_64
kernel-headers-4.9.5-200.fc25.x86_64
kernel-modules-4.8.6-300.fc25.x86_64
kernel-modules-4.9.5-200.fc25.x86_64
kernel-modules-extra-4.8.6-300.fc25.x86_64
kernel-modules-extra-4.9.5-200.fc25.x86_64
kmod-wl-6.30.223.271-7.fc25.x86_64
libreport-plugin-kerneloops-2.8.0-1.fc25.x86_64
我重新启动了网络管理器，但没有效果。重启了，没有变化。
如果配置
enp4s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.170 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::dbf:6e57:4c52:2a14 prefixlen 64 scopeid 0x20<link>
ether 20:89:84:d2:7b:2c txqueuelen 1000 (Ethernet)
RX packets 274564 bytes 389721772 (371.6 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 73269 bytes 6440437 (6.1 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1 (Local Loopback)
RX packets 192 bytes 14760 (14.4 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 192 bytes 14760 (14.4 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 52:54:00:e1:8a:4d txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
但是 iwconfig
virbr0-nic no wireless extensions.
virbr0 no wireless extensions.
lo no wireless extensions.
enp4s0 no wireless extensions.
modprobe 与我在返回之前使用过的任何 wl（akmod-wl；kmod-wl；broadcom-wl）：
modprobe: FATAL: Module ______ not found in directory /lib/modules/4.9.5-200.fc25.x86_64`
当我安装时，dnf模块是否位于错误的位置？我们正在更深入地研究这个问题以及我以前研究过的 Linux 实际工作原理。 Broadcom-wl 以 fc24.noarch 而不是 fc25.something 结尾是否有问题？有什么事，拜托。
编辑添加
须藤 akmods --force
Checking kmods exist for 4.9.5-200.fc25.x86_64 [ OK ]
Files needed for building modules against kernel
4.9.5-200.fc25.x86_64 could not be found as the following directories are missing:
/usr/src/kernels/4.9.5-200.fc25.x86_64/
/usr/lib/modules/4.9.5-200.fc25.x86_64/build/Is the correct kernel-devel package installed?
编辑添加（2）： sudo dnf install kernel devel 导致：
[Kennedy@Shield_Generator ~]$ sudo dnf install kernel-devel
[sudo] password for Kennedy:
google-chrome 26 kB/s | 3.7 kB 00:00
Fedora 25 - x86_64 - Updates 18 MB/s | 17 MB 00:00
Last metadata expiration check: 0:00:11 ago on Tue Jan 31 19:43:34 2017.
Package kernel-debug-devel-4.9.5-200.fc25.x86_64 is already installed, skipping.
Dependencies resolved.
================================================================================
Package Arch Version Repository Size
================================================================================
Skipping packages with conflicts:
(add '--best --allowerasing' to command line to force their upgrade):
kernel-devel x86_64 4.9.6-200.fc25 updates 11 M
Transaction Summary
================================================================================
Skip 1 Package
Nothing to do.
Complete!
须藤 akmods --force
[Kennedy@Shield_Generator ~]$ sudo akmods --force
Checking kmods exist for 4.9.5-200.fc25.x86_64 [ OK ]
Files needed for building modules against kernel
4.9.5-200.fc25.x86_64 could not be found as the following
directories are missing:
/usr/src/kernels/4.9.5-200.fc25.x86_64/
/usr/lib/modules/4.9.5-200.fc25.x86_64/build/Is the correct kernel-devel package installed? [FAILED]
sudo dnf install -y broadcom-wl 内核开发
[Kennedy@Shield_Generator ~]$ sudo dnf install -y broadcom-wl kernel-devel
Last metadata expiration check: 0:44:34 ago on Tue Jan 31 19:43:34 2017.
Package broadcom-wl-6.30.223.271-1.fc24.noarch is already installed, skipping.
Package kernel-debug-devel-4.9.5-200.fc25.x86_64 is already installed, skipping.
Package kernel-debug-devel-4.9.6-200.fc25.x86_64 is already installed, skipping.
Dependencies resolved.
Nothing to do.
Complete!
那么它们已安装，但在正确的目录中找不到？威士忌探戈狐步舞，结束。
预计到达时间 (3)
$ rpm -qa | rpm grep -e 内核调试
[Kennedy@Shield_Generator ~]$ rpm -qa | grep -e kernel-debug
kernel-debug-devel-4.9.5-200.fc25.x86_64
kernel-debug-devel-4.9.6-200.fc25.x86_64
rpm-qa| grep -e 内核开发
[Kennedy@Shield_Generator ~]$ rpm -qa | grep -e kernel-devel
[Kennedy@Shield_Generator ~]$
[Kennedy@Shield_Generator ~]$
答案1
确保安装了正确的内核开发。如果没有，请先安装 kernel-devel 包。请注意，kernel-devel 与 kernel-debug-devel 不同。
我猜您已经安装了 akmods 并收到错误“在目录 /lib/modules/4.9.5-200.fc25.x86_64 中找不到模块 wl”。跑步，
# akmods --force
# depmod -a
# modprobe wl
作为 root 或使用 sudo。
我遇到了和你一样的问题，上面的方法解决了我的问题。
答案2
我有完全相同的问题，我安装了 kernel-devel
sudo dnf install kernel-devel-4.9.6-200.fc25.x86_64
然后我按照 Xenox 在他的回答中提到的相同步骤操作，现在 wifi 工作正常
答案3
我正在处理同样的问题，我是这样解决的：
sudo dnf install -y https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-25.noarch.rpm https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-25.noarch.rpm
sudo dnf install -y broadcom-wl kernel-devel
sudo akmods --force --kernel `uname -r` --akmod wl
sudo modprobe -a wl
将“uname -r”更改为您的。
答案4
对我来说，在 fedora 29 中使用 rpmfusion repo 安装 bcm43228 驱动器。
# view info
lspci | grep -i broadcom
# installing
dnf install "kernel-devel-uname-r == $(uname -r)"
dnf install akmods
dnf install kmod-wl # dependences including akmod-wl and broadcom-wl
# reboot
reboot