Fixing slow laptop wifi on linux

I’ve got a nice shiny Samsung Series 7 laptop with Broadcom based 802.11n wifi in it. I’m using xubuntu on it and it was working very well, but every so often I noticed that the wireless connection was running very slowly.

Eventually I realised it was only happening when it was running on battery.

I delved into the power settings and found that the wireless card was being put into a power saving mode. After a lot of searching I found out how to turn this off.
Continue reading “Fixing slow laptop wifi on linux” »