Can the two machines ping each other? Firewalls turned off? And is one of your computers sharing a folder for the other to see?

http://en.wikipedia.org/wiki/Power_over_Ethernet

You are asking about the wrong technology.

Are you connected via wireless or wired (cable)?

Have you tried httpS?

Is Type 4 a company?

Typically, a DSL or Cable *modem* is not capable of WiFi. For that, you will need an appliance that is. Select the proper hardware and read the manual.

You want something...

Your old USB port - on the side - can you plug other devices in there and have them work? Or is that port unable to support even a mouse or keyboard?

USB ports do malfunction and USB network...

Internet Setup:
Internet Connection Type: DHCP

Network Setup:
Router IP: 10.10.1.1
Subnet Mask: 255.255.255.0

DHCP: Enable

I assume your current pc in its current set-up plugs into a...

And double check that wireless clients have access to wired file sharing on the Router level. Some models provide a mechanism to block Windows file-sharing broadcasts from wired to wireless.

Just some basic steps..

Ping your local IP (192.168.1.105). Ping your Gateway (192.168.1.1). Ping each DNS server (68.87.73.242, etc).

Things ok? Let's try a look-up. Open a DOS prompt (Start...

I noticed you said Wireless.

Can you plug the laptop in via a cable? If so, you may be able to log in via the web console and change the wireless password.

If you have a problem with the web...

modem -> pc -> router [WAN]

Is this pc Windows or Linux? Windows calls it "Internet Sharing", while Linux will refer to this as "IP forwarding" or "IP masquerading".

You will also want to make...

Is it a real broadcast? (sent to 255.255.255.255 or equiv for your subnet) If so, my guess is your server is not the only one getting squished.

Or do you mean continuous traffic from two servers...

1) Static IP for what? Your internal network or your router? You can set static IPs on your computers without the aide of Comcast.
2) Port forwarding is basic. It may be that you are forwarding the...

Does it drop connection while being actively used? Or does it lose connection when going into idle (power saving optoins?)

Does it require a restart afterwards? I have a pc which can be overloaded...

A page with some reviews:
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3350605&CatId=35

Sounds like the adapter itself may have problems. Do those responses echo...

There are a lot of points of failure.

The top on my list:
- WiFi USB dongle
- Bad HD
- Bad RAM

I would really want to eliminate the WiFi portion first. Either take it to a friends house and...

This.

Sounds like a missing Gateway or missing DNS servers when manually configured.

Most wireless routers have the management web-page disabled for wireless clients. Did you try actually connecting with a wire?

Once you have accessed it from a wired computer, you can enable...

PC B connects to the internet through PC A. To do this, PC A has two IP addresses (LAN and WAN).

You have verified that the LAN addresses work. Now, try to ping the WAN IP from PC B.

If this...

Does the Router have wired ports? If so, try one of those. Are you experiencing the same problems?

It sounds like you might be on a busy channel. You can configure this via the admin page.

The hosts file is just one possibility.

It could have damaged the tcp/ip stack. It could have messed with DNS or IP settings (dhcp vs static).

Did it install a rootkit? (I have no idea what...

What kind of router? If it's your typical store bought Linksys/Netgear/D-Link/etc, then you do not have to do anything related to "internet connection wizard".

What do 2 pcs do that the 3rd...

Where to start..

Can PC 1 ping PC2? And vice versa?

If so, can the client ping a numerical IP address? (if so, then DNS is having issues)

.. hmmm, not too sure what else right now.

Factory reset!

Just be careful - any awesome, super cool, custom changes you made will be lost.

IF the AOL Modem is really a cable or DSL modem, then you would do the following:

1. Buy a router (Linksys is pretty reliable, stable, and cheap)
2. Plug AOL Modem into WAN port on Router (check...

Let's get one thing straight before this conversation explodes.

NAS = Network Attached Storage. It is a division/group/classification of network devices. This can include network enclosures, but...

A router is useless if they are using a 56k modem. In this situation a crossover is by far the simplest solution, with a switch second in line.

If they are using a DSL modem, then a router becomes...

Actually, I forgot to take into account your mention of the firewire. The enclosures are for internal drives to make them external.

My apologies for the confusion.

Sounds like your solution is...

I was writing up a response when I caught "aol lan modem". Please provide more info on this device. I am unable to find anything worthwhile in my searches. (there is a "56k lan modem" by 3com)
...

The enclosures I linked are wired. You would plug them in, via Ethernet, to your router/gateway/switch/hub. If you are merely networking off of a wireless access point (AP), then things are a tad...

Doh. I had a response and then hit the wrong button.

The question is whether the issue is on the client side (web browser) or server side (web server). The symptoms suggest client, however, since...

Two ways.

1) Plug it into PC A and have it share the drive.
2) Buy a network enclosure.

Here are two such network enclosures:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817145385...