WiFi on Lenovo Ideapad B450 with Fedora 14

I recently installed Fedora 14 on a Lenovo Ideapad B450 for PDRC and I have had problems with getting the Wi-Fi to work. I am posting this so Google search engines can find it.

The Lenovo Ideapad B450 has an Atheros Gigabit ethernet card and an Atheros AR5001 wifi card. I had installed Fedora 12 on it previously and it worked with no problems. After upgrading it to Fedora 14, the wireless card stopped working. Network Manager in GNOME will have "wireless disabled" and no amount of clicking will enable wifi. After some digging and trial and error I blacklisted the acer-wmi kernel module and wifi was working again.

  1. Go to /etc/modprobe.d/
  2. Edit blacklist.conf and add the following line: blacklist acer-wmi
  3. Reboot!