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Ubuntu wireless network card search signal can not do, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can gain something.

Next, the editor will introduce to you the solution that the wireless network card can not find the signal under Ubuntu.

Type "wifi" in the software center to search and install the WiFi radar software.

Of course, the first thing to do is to make sure that the wireless card is turned on (the light is on).

If you do not first make sure that the hardware switch has been turned on, wireless should also be enabled in the network connection. Execute sudo ifconfig wlan0 up in terminal.

Then execute wifa-radar or open WiFi radar in the menu, and the interface is OK.

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