Ubuntu – Defining and activating the wifi for lenovo b5400 for noob

12.04lenovonetworkingwireless

i'm really new to ubuntu and really excited about it.
i've bought a lenovo b5400 and installed 12.04 version of ubuntu.
checked several forums and could not find the answer for:

how to activate my wifi card?

all answers will be appreciated,

Joe

Update1: running lspci | grep Network command got:

horim@horim:~$ lspci | grep Network
04:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device b723

Best Answer

Just go to the drivers section and activate the driver. But as far as I'm concerned you'll need an Internet connection to install it (i.e. LAN). At least that worked for me, but I use Ubuntu GNOME 13.10

Why do you want to install Ubuntu 12.04?

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