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Ubuntu Wireless network card search can not find a signal solution

Source: Internet
Author: User
Tags radar
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In the Ubuntu system, there are users reflected in the use of wireless network card can not find the signal of the problem, I believe that many users have encountered such a situation, this How to do? Next small series to introduce under Ubuntu Wireless network card can not search the signal solution.

Enter a "WiFi" search in the software center and install the WiFi radar software.

Of course, first make sure that the wireless card is turned on (the LED is lit).

If you have not determined that the hardware switch is turned on, start wireless in the network connection. Terminal Execute sudo ifconfig wlan0 up.

Then execute the Wifa-radar or the menu to open the WiFi radar, the interface is OK.

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