1.    28 Jun 2017 #1
    Join Date : Jun 2017
    Posts : 4
    win 10 pro

    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 ComputerSystem Spec
  2.    28 Jun 2017 #2
    Join Date : Jul 2016
    Crewe Cheshire
    Posts : 1,452
    windows 10

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

    ipconfig /all

    post results
      My ComputerSystem Spec
  3.    30 Jun 2017 #3
    Join Date : Jun 2017
    Posts : 4
    win 10 pro
    Thread Starter

    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 ComputerSystem Spec
  4.    30 Jun 2017 #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 ComputerSystem Spec
  5.    30 Jun 2017 #5
    Join Date : Jul 2016
    Crewe Cheshire
    Posts : 1,452
    windows 10

    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 ComputerSystem Spec
  6.    01 Jul 2017 #6
    Join Date : Jun 2017
    Posts : 4
    win 10 pro
    Thread Starter

    @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 ComputerSystem Spec
  7.    02 Jul 2017 #7

    Quote Originally Posted by katia View Post
    @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 ComputerSystem Spec
  8.    02 Jul 2017 #8
    Join Date : Jun 2017
    Posts : 4
    win 10 pro
    Thread Starter

    Quote Originally Posted by Superfly View Post
    ...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 ComputerSystem Spec

 


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