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Windows 7: Sharing wifi internet via ethernet

20 Dec 2009   #1

Windows 7
Sharing wifi internet via ethernet

Hi all,
I've got two computers in my room: a Toshiba laptop and a desktop computer (both running W7) I built a few months ago. The laptop gets great wifi reception, 4/5 bars, while the desktop struggles to get one bar. I want to connect the laptop to the PC via ethernet and use the laptop's internet connection. I'm having troubles doing this.

Here's what I've done thus far:
  • Disabled the desktop's wifi.
  • Enabled "Allow other network users to connect through this computer's Internet connection" on the laptop's ethernet card.
  • Plugged in the cable.

This is where I hit the brick wall. On both computers, it comes up as "unidentified network". I try creating a homegroup on the desktop, but I encounter an error "Windows could not set the network settings" and "You can try to change this setting later in the Network and Sharing Center." I look in the Network and Sharing Center, and it says "Homegroup: Joined" as if no error occurred at all. So I try to join the homegroup on the laptop. It says "Larry from LARRY-PC has created a homegroup" so it recognises it, but then it says "Windows could not setup a homegroup on this computer" when I try to put in the password.

I start the HomeGroup Troubleshooter, and it troubleshoots network problems. After that, it says "Local Area Connection" doesn't have a valid IP configuration: Fixed" So then I try joining it again, and get the same issue. I go through the HomeGroup Troubleshooter again, and I click "the problem is not fixed" and get a list of problems I don't have.

What can I do?

Sorry for the long thread, tried to be as specific as possible.

Thanks in advance,

My System SpecsSystem Spec
21 Dec 2009   #2

Windows 7 & 8 64-bit, Mac OSX 10.8.2

Enabled "Allow other network users to connect through this computer's Internet connection" on the laptop's ethernet card.
No, it is the Laptop's wireless connection that you're sharing (the Laptop's actual connection to the internet). When you do this, Windows will give the Laptop's Local Area Connection the IP address and the "Client" PC gets its IP address automatically by DHCP from the Laptop.

Because "Internet Connection Sharing" uses the Subnet (the Host PC has the address and allocates addresses to Client computers in the range to, your router needs to be operating in a different Subnet to avoid an IP addressing conflict. If the third 'octet' (number) of your router's own IP address is "0", change it to 1 or 2 etc.
My System SpecsSystem Spec
22 Dec 2009   #3

Windows 7

I've made the wireless connected shared, and now both computers are on the homegroup.

One thing:

How do I set the location or identify this ethernet connection?
My System SpecsSystem Spec

26 Dec 2009   #4

Windows 7

My System SpecsSystem Spec
26 Dec 2009   #5

W7 Ultimate 64bit W7 Premium 64bit W7 Premium 32bit WXP Home 32bit

On both machines try opening up a Command Prompt window and run the following command: "ipconfig /all". Then let's see the output for each and we'll take it from there.
My System SpecsSystem Spec
11 Jul 2011   #6

7 Ultimate 64 bit

Oops nvm
My System SpecsSystem Spec

 Sharing wifi internet via ethernet

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