Same problem here with brand new ASUS 750NV.
Dump is here :
https://skydrive.live.com/redir?resid=3F5B1EEF880E8F5A!1253&authkey=!ADaVuqYhChssjM4
New Atheros wifi driver updated (251).
No change. Do have I to unsinstall first completely le original driver then re-install the new one ?
Any advice ?
Thanks