I have had the same problems with a Medion Akoya 1222 on battery power but then I tried the solution written in comment #159 (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/401126/comments/159) reinstalled the driver and now everthing is fine with WLAN
I have had the same problems with a Medion Akoya 1222 on battery power but then I tried the solution written in comment #159 (https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/401126/ comments/ 159) reinstalled the driver and now everthing is fine with WLAN