Windows 7: Wireless haywire!

I have several computers using XP and 3 using 7. On my XP drive I can view all computers on my home group but in Windows 7 I see my computer and one other.

In the "Network and Sharing Center" I click see full map to the far right. It shows my computer connected to the router and then to the Internet. Until earlier today I saw two other computers on my home network but nest to each of these computers an arrow was pointing to a big ?. I tried selecting fix problem on each of the other computers i goes through the motions and says there is a problem w/ the network???

OK so how do I start from scratch and also see the XP computers all in one group? We all want to be able to share files. I also want to be able to control the other desktops.

I have worked on this for several days and seem to get further and further away from a solution. I think I need to start from the beginning all over again, but I want to do it right and see everything.

Thanks in advance

Do you have XP SP3? Is it XP Home or Pro? Did you install LLTD on your XP machines? Are all computers part of the same workgroup? Do you have any third party firewalls installed on any of the computers?

Before you start changing anything, first disable all firewalls on all computers.
In 99% of the cases it is the culprit for not showing all computers.

When after doing that, it works ok, examine the firewall rules closely to find out which rule is blocking the view.

Work with one enabled firewall at a time.

Good luck

I recommend removing firewall applications instead of merely disabling them. I've run into quite a few situations where the disabled firewall still caused network problems, and the problems disappeared only after the applications were removed.

True, that would be second step if disabling doesn't work.

Thanks for the addition.

Greetz

"Do you have XP SP3? Is it XP Home or Pro? Did you install LLTD on your XP machines? Are all of the same workgroup? Do you have any third party firewalls installed on any of the computers?"

No to sp3. XP Home. No LLTD. All computers are on same workgroupe and all are ciewable when using XP On my first boot disk. All have the same firewall installed and all have been configured.

What firewall is that?

And have you tried disabling them all?
Or even uninstalling them?

I just solved a guys problem who's wireless card seemed to be broken.

Turned out it was Zonealarm.

After uninstall of ZA, all was fine.

So it goes to show that with network problems the first thing to take out of the equation is the firewalls.

In order for the network map to function with XP and Vista/7, you need to install LLTD. I always recommend installing it when mixing XP and Vista/7 machines. If you can't see XP machines from Vista/7 machines, install LLTD. You should also install SP3.

Remove your third party firewall software. If things start working, your firewall software is the culprit.

Sorry but all of the above is nonsense.

Really? You can get the network map to function without LLTD on XP machines? I've never seen that before. You also don't recommend installing SP3 on XP machines? Why is that? Please post your reasons - your reply of "that's nonsense" doesn't really help.