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I have dual booted centos 7 with Windows 10. Once centos 7 setup finished, no wifi connection was available. In the "settings > Wifi", I see a message saying "No wifi adapter found".

My wifi adapter is '"roadcom BCM43142 802.11 bgn Wi-Fi Adapter".

How can I solve this problem?

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I had a similar problem. I opened terminal and I ran the following commands which worked in my case:

sudo rfkill unblock all
sudo rfkill list
sudo modprobe -r ideapad_laptop
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Type nmtui on the terminal; it will pop-up a window where you can set SSI and BSSID in the WiFi connection.

  • 2
    How does this help when the OP said "In the "settings > Wifi", I see a message saying "No wifi adapter found"."? – Jeff Schaller Jul 12 at 14:00

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