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#31
Turn off any firewalls to rule that issue out.
If you changed the cable, did you use a crossover cable? Since you have no hub or switch in the wiring you described the cable must be a crossover cable. Put the old cable back that used to work.
Since your real purpose is to share Internet you have to use ICS on your ad hoc network.
To use ICS, make sure the local area network (LAN) connection on each network computer is configured to get an IP address automatically. To do this:
- Open Network Connections by clicking the Start button , clicking Control Panel, clicking Network and Internet, clicking Network and Sharing Center, and then clicking Manage network connections.
- Right-click the LAN connection, and then click Properties. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
- Click Internet Protocol Version 4 (TCP/IPv4) and then click Properties.
- Click Obtain an IP address automatically.
ICS will be disabled if:
To use Internet Connection Sharing (ICS) with computers on your network that are running Internet Explorer, you need to make the following changes on all but the host computer. Do not make these changes until you've set up ICS on the host computer.
- You disconnect from the ad hoc network.
- You create a new ad hoc network without disconnecting from the ad hoc network for which you enabled ICS.
- You log off and then log back on (without disconnecting from the ad hoc network).
- Open Internet Options by clicking the Start button , clicking Control Panel, clicking Network and Internet, and then clicking Internet Options.
- Click the Connections tab, and then click Never dial a connection.
- Click LAN Settings.
- Under Automatic configuration, clear the Automatically detect settings and Use automatic configuration script check boxes.
- Under Proxy server, clear the Use a proxy server for your LAN check box.