K450 cannot activate the wireless connection

Hello, just received my brand new K450 and there's no way I can make it connect to the wireless router. It should have a wireless lan adapter, as mentioned in the specs, however no such device can be found in DM. Tried installing the BCM 4313 Win8 Driver for Microsoft Windows 8 (64-bit) with no success. The model number is 57316348.
Any clues? Does it actually have a wireless lan?
Thanks,

hi Ciuprecator,
Welcome to Lenovo Community Forums!
I don't think that this model has a pre-built WLAN
According to Lenovo Sales site
http://www.lenovoshop.com/de/prod/Lenovo%C2%AE+IdeaCentre%C2%AE+K450+(57316348)/55014033A1
it only have LAN for data communitcation,
Hope this info helps,
Cheers!
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