Lenovo g500 WLAN HELP (whitelist?)

Hello,
have now bought a Lenovo G500 Model 20236.
Also wanted to replace the same wireless card.
Oh, how does it not that simple?
Just thought out and the new card the old card inside.
i want to instal Intel Dual Band Wireless-AC 7260

Now I need your help.

but sorry for my english is a translator.


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