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I can't enable my wireless connection after i upgraded my ubuntu 10.04 LTS into ubuntu 11.10. my WiFi works just fine on ubuntu 10.04. I have an Atheros AR9285 Wireless Network Adapter from Atheros Communications Inc.

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Edit the file


and add this

blacklist acer-wmi

or you might have to do the following:

sudo modprobe -rfv ath9k
sudo modprobe -v ath9k nohwcrypt=1

If that works you can make it permanent:


Add the following line:

options ath9k nohwcrypt=1


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