2 laptops 1 internet problem


  1. Posts : 1
    windows 7 64bit
       #1

    2 laptops 1 internet problem


    hello i have a problem. i live in a house with another person. we both have two laptops one is a new windows 8 pc who i got 3 weeks ago and one theres 2 year old win 7 . both lenovos. but the problem is that when one of the laptops goes on the internet the other loses the internet connection. we tryede reinstalling windows in the win 7. and even reset the router and put ther other to lan but it dosent help. any ideas?that might help our internet problem ?
      My Computer


  2. Posts : 457
    Microsoft Windows 10 Home Build 15036
       #2

    Sounds like a possible IP conflict. Does it matter which is online first? Does the same one fall offline every time? Are you using DHCP?
      My Computer


  3. Posts : 73
    Windows 7 Professional 64bit
       #3

    I think you got public ip addresses from the DHCP server and your ISP only allow you using 1 at the same time.

    If this is the problem you can easy fix this by using NAT and then set private ip addresses on your laptops.
      My Computer


  4. Posts : 102
    Windows 7 Profession x64
       #4

    tomerello said:
    I think you got public ip addresses from the DHCP server and your ISP only allow you using 1 at the same time.

    If this is the problem you can easy fix this by using NAT and then set private ip addresses on your laptops.
    This sounds like what's probably happening. You can verify your IP configuration by opening a command prompt on either computer (start menu > cmd, search cmd on windows 8) and type "ipconfig" into the command prompt. Instead of posting what could be your public IP address, you could give us your subnet mask and the first half of your IPv4 address so we can see what's going on. Also, can we assume you're on wireless or are you plugging into something?
      My Computer


  5. Posts : 2,298
    Windows 7 Professional x64 SP1 ; Windows Server 2012 R2 Standard
       #5

    ninaslittlebox said:
    hello i have a problem. i live in a house with another person. we both have two laptops one is a new windows 8 pc who i got 3 weeks ago and one theres 2 year old win 7 . both lenovos. but the problem is that when one of the laptops goes on the internet the other loses the internet connection. we tryede reinstalling windows in the win 7. and even reset the router and put ther other to lan but it dosent help. any ideas?that might help our internet problem ?
    As previously mentioned above can you please list your IP configuration details so that we can see if your computer is configured correctly. For further steps and information please follow this tutorial - Network Posting Tips

    Also, what is the make/model of your router? Unless you are using enterprise equipment such as a cisco router, your router should already have NAT(PAT as well) configured and active.

    Many Thanks,
    Josh! :)
      My Computer


 

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