Acer TravelMate 290 - How to install acerhk to make the wlan switch working in ubuntu? lets try this with 10.04/10.10: # install ubuntu 10.04, then follow these steps: add-apt-repository ppa:gruenertee/acerhk apt-get install --reinstall linux-headers-$(uname -r) build-essential acerhk-source tar -xvjf acerhk.tar.bz2 vim /usr/src/linux-headers-$(uname -r)/Makefile # look for this near line 564: ifdef CONFIG_FUNCTION_TRACER # KBUILD_CFLAGS += -pg <------ comment this line endif cd /usr/src/modules/acerhk make cp -v acerhk.ko /lib/modules/$(uname -r)/kernel/ubuntu/ depmod -a # a good idea is to look at the log files in a second terminal during next step: find /var/log -type f | grep -v -e ".gz$" -e ".[0-9]*$" | xargs tail -fqn # enable wifi module modprobe acerhk force_series=290 usedritek=1 verbose=1 echo 1 > /proc/driver/acerhk/wirelessled