![安装 Ubuntu 18.04 后,wifi 速度非常非常慢](https://linux22.com/image/1157326/%E5%AE%89%E8%A3%85%20Ubuntu%2018.04%20%E5%90%8E%EF%BC%8Cwifi%20%E9%80%9F%E5%BA%A6%E9%9D%9E%E5%B8%B8%E9%9D%9E%E5%B8%B8%E6%85%A2.png)
我使用搭载有 Ubuntu 18.04 的联想 G550 笔记本电脑。
升级到 18.04 后,WiFi 变得非常非常慢。
我能做些什么?
~$ lspci -knn | grep Net -A3:
04:00.0 Network controller [0280]: Broadcom Limited BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
Subsystem: Broadcom Limited BCM4312 802.11b/g LP-PHY [14e4:04b5]
Kernel driver in use: wl
Kernel modules: ssb, wl
07:00.0 Ethernet controller [0200]: Broadcom Limited NetLink BCM5906M Fast Ethernet PCI Express [14e4:1713] (rev 02)
Subsystem: Lenovo IdeaPad S10e [17aa:3a23]
Kernel driver in use: tg3
Kernel modules: tg3