airmon-ng start wlan0

that should do the trick. works since bt4rc2 i think.

try:

rm /root/.kde/cache-root/*.kcache

all working fine.

edit:
Wireless Card: Dell Wireless 1397 WLAN Mini-Card

I'm facing similar issues running kde x64 on my Dell Inspiron 1545

Xorg though is not giving back any errors at all as far as I can tell:



....
(**) Option "xkb_rules" "evdev"
(**) Option...