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Thread: [Wifi problem] Can scan networks but fail to connect

  1. #1
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    [Wifi problem] Can scan networks but fail to connect

    I am having a problem with wifi. I can scan the networks around me but I usually can not connect to them, I have already connect successfully to my home wifi but usually I can not, it seams a little random. However I have no problem connecting to the hotspot I create with my smartphone.

    I use an Asus K56 and this is my network device:
    Code:
    03:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01)
    Here is the logs my wifi card produces:

    Code:
    [  818.637873] wlp3s0: send auth to 0c:98:38:17:9f:5b (try 1/3)
    [  818.641257] wlp3s0: authenticated
    [  818.647546] wlp3s0: associate with 0c:98:38:17:9f:5b (try 1/3)
    [  818.661172] wlp3s0: RX AssocResp from 0c:98:38:17:9f:5b (capab=0x431 status=0 aid=3)
    [  818.661323] wlp3s0: associated
    [  967.552655] wlp3s0: deauthenticating from 0c:98:38:17:9f:5b by local choice (Reason: 3=DEAUTH_LEAVING)
    Is there a known solution for this problem or a way to debug it?

  2. #2
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    Re: [Wifi problem] Can scan networks but fail to connect

    Please see the wireless script link in my signature and pist results

  3. #3
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    Re: [Wifi problem] Can scan networks but fail to connect

    Quote Originally Posted by jeremy31 View Post
    Please see the wireless script link in my signature and pist results
    Thanks for your answer, as I said this problem seems a little bit random, today I could connect the wireless, but it can probably fail in future. I did the steps that are told in wireless scripts and I already ran it to see the wireless-info.txt, I will posted here if the problem persists.

  4. #4
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    Re: [Wifi problem] Can scan networks but fail to connect

    I would bet it is because of channel restrictions because of the EEPROM on the wifi card and if your router is on auto channel it can change to a legal channel that isn't allowed on the AR9485

  5. #5
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    Re: [Wifi problem] Can scan networks but fail to connect

    Well I will check that, but for now the wifi is working. In the case that this is the problem what should I change? Wifi card or router settings?

  6. #6
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    Re: [Wifi problem] Can scan networks but fail to connect

    I could give more options if you post script results, but setting to channel between 1-11 should be fine

  7. #7
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    Re: [Wifi problem] Can scan networks but fail to connect

    Here it is the wireless-info.txt: https://pastebin.com/Ep8ZgT6U

  8. #8
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    Re: [Wifi problem] Can scan networks but fail to connect

    Lets set the country code
    Code:
    sudo iw reg set ES
    If you can change the wifi router settings, change encryption to WPA2 only with no WEP or TKIP as those old encryption methods cause some issues and change the channel to channel 1
    And run these 2 commands to keep Network Manager from trying to enable wifi power management
    Code:
    sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
    systemctl restart network-manager.service

  9. #9
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    Re: [Wifi problem] Can scan networks but fail to connect

    Quote Originally Posted by jeremy31 View Post
    Lets set the country code
    Code:
    sudo iw reg set ES
    If you can change the wifi router settings, change encryption to WPA2 only with no WEP or TKIP as those old encryption methods cause some issues and change the channel to channel 1
    And run these 2 commands to keep Network Manager from trying to enable wifi power management
    Code:
    sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
    systemctl restart network-manager.service
    Already did that, but I am from portugal should I put "PT" for the code country, "ES" or it does not really matter?

  10. #10
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    Re: [Wifi problem] Can scan networks but fail to connect

    Use PT, not sure what differences there might be

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