Wifi connection lost when power adapter is connected


  1. Posts : 4
    win 10 pro
       #1

    Wifi connection lost when power adapter is connected


    Hello everybody and thank you in advance for your time.
    My name is Katia. It's been a while, my beloved laptop Lenovo Y50 running Windows 10 pro, keeps losing wifi connectivity a couple of minutes after I plug it in. It works normally once I disconnect the power adapter.
    I believe this problem started after some update but, for some reason, I can not roll back time to reverse it.
    By now, enough time has gone by (a few months) that I don't even know it would make sense to try rolling back. .
    Any help and ideas on how to solve it would be much appreciated. (My computer expertise is at medium - regular user - levels, so please, take this into account if you try to explain how to go about solving this.
    Thanks again!!
      My Computer

  2. Samuria's Avatar
    Posts : 6,288
    windows 10
       #2

    Welcome to the forum,
    When its looses connection open a cmd prompt then type

    ipconfig /all

    post results
      My Computer


  3. Posts : 4
    win 10 pro
    Thread Starter
       #3

    Samuria, thank u, hello, here it goes:

    C:\Users\Katia>ipconfig/allWindows IP Configuration Host Name . . . . . . . . . . . . : KP-Laptop Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : zte.com.cnEthernet adapter Ethernet: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : zte.com.cn Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller Physical Address. . . . . . . . . : F0-76-1C-50-FE-E8 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : YesWireless LAN adapter Local Area Connection* 2: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter Physical Address. . . . . . . . . : 28-B2-BD-00-F1-64 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : YesWireless LAN adapter Wi-Fi: Connection-specific DNS Suffix . : zte.com.cn Description . . . . . . . . . . . : Intel(R) Dual Band Wireless-AC 7260 Physical Address. . . . . . . . . : 28-B2-BD-00-F1-63 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IPv6 Address. . . . . . . . . . . : 2a02:214d:8024:ea00:3cba:86c1:fa66:e388(Preferred) Temporary IPv6 Address. . . . . . : 2a02:214d:8024:ea00:843d:90df:55d2:5d67(Preferred) Link-local IPv6 Address . . . . . : fe80::3cba:86c1:fa66:e388%10(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.1.7(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : Παρασκευή, 30 Ιουνίου 2017 9:59:25 μμ Lease Expires . . . . . . . . . . : Σάββατο, 1 Ιουλίου 2017 9:59:25 μμ Default Gateway . . . . . . . . . : fe80::1%10 192.168.1.1 DHCP Server . . . . . . . . . . . : 192.168.1.1 DHCPv6 IAID . . . . . . . . . . . : 354988733 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1F-7F-EB-70-F0-76-1C-50-FE-E8 DNS Servers . . . . . . . . . . . : 2a02:2148:81:8053::53 2a02:2148:82:8053::8053 fe80::1%10 192.168.1.1 NetBIOS over Tcpip. . . . . . . . : EnabledTunnel adapter Teredo Tunneling Pseudo-Interface: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes
      My Computer

  4. Superfly's Avatar
    Posts : 3,372
       #4

    I had a similar issue with my Lenovo...

    Wi-Fi got screwed, and after trying every conceivable fix - from changing drivers to router settings - it turned out to be the docking station (which has a built-in PSU)

    After changing to a dock without the built-in stuff and using the standard power adapter - problem solved.

    I suggest try a different power adapter...
      My Computer

  5. Samuria's Avatar
    Posts : 6,288
    windows 10
       #5

    If the ipconfig was done when it's not working it shows you have the correct IP so it's not dropped the connection
      My Computer


  6. Posts : 4
    win 10 pro
    Thread Starter
       #6

    @Superfly - before I buy a new adapter, is there anything else I might try, in case this isn't the problem?

    @Samuria - yes, it's not losing the connection, it's losing the internet - so it says "connected, no internet" ... what should I do?
      My Computer

  7. Superfly's Avatar
    Posts : 3,372
       #7

    katia said:
    @Superfly - before I buy a new adapter, is there anything else I might try, in case this isn't the problem?

    @Samuria - yes, it's not losing the connection, it's losing the internet - so it says "connected, no internet" ... what should I do?
    Can't be sure - my situation was slightly different to yours - I'm not clued up enough on networking to offer an alternative...

    ..it's just weird that the power should affect the WiFi signal?
      My Computer


  8. Posts : 4
    win 10 pro
    Thread Starter
       #8

    Superfly said:
    ...it's just weird that the power should affect the WiFi signal?
    Yes, I know, I was thinking the same thing. Do you think, if
    I try and reinstall windows and everything else, is it possible the problem might just as strangely disappear?
      My Computer


 

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