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Promicuous driver

I have a laptop with 1 Cisco PCI Wireless LAN Adapter and 1 integrated Intel Pro LAN adapter. How do I find out if the drivers of my LAN cards support promicuous option? The reason I ask is because when I setup the promicuous mode with Wireshark to monitor the traffic via my wireless LAN, it did not capture anything.
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2 questions:
1. How do I find out if the drivers of my LAN cards support the promicuous option.
2. I am sniffing with Wireshark on my laptop via my wireless card and it did not capture any data when the promucuous option is checked. Why?

Thanks
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But how do I check if my LAN drivers for my LAN cards has promicuous option enabled? Thx
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I enabled promicuous mode in Wireshark but it did not capture anything. It worked when I unchecked it. I am using my wireless NIC card.