Question [SOLVED] Wifi deactivated for CarbonRom (CARBON-KK-NIGHTLY-20140602-0102)

I just installed CarbonRom:
factory reset with ClockworkMod Recovery (wipe data/factory reset), wiped the cache,
installed both and

Everything went well, but wifi can not be activated. It is grayed out.

Do I have to use another kernel to get wifi to work?

If yes, how do I flash the kernel?