Left click Change advanced settings
Left click Wireless Networks tab
Make sure that there is a tick against Use Windows to configure my wireless network settings

Left click the Advanced button (not the Advanced tab)
Select Computer to Computer (Ad Hoc) networks only
Make sure that there is no tick against Automatically connect to non-preferred networks
Left click Close

Left click the Add button
Type a Network name (SSID)
Network Authentication should be set to Open
Set Data encryption should be set to Disabled
Make sure that there is no tick against The key is provided for me automatically.
Make sure there is a tick against This is a computer-to-computer (Ad Hoc) network; wireless access points are not used (this should be grayed out)

Left click the Connection tab
Make sure that there is a tick against Connect when this network is in range
Left click OK
Left click OK

You need to repeat the above procedure for each PC, ensuring that you type exactly the same Network name for each one.

And don’t worry that you still have the red cross on the Wireless icon in the notification area - you haven’t finished yet.

Once you have setup each PC as above, shut them all down except for the main PC - the one that is probably connected to the internet. I will call this the Host PC.

Labels: PC Tips N Tricks and Tweaks