When you say little yellow triangles, where are you seeing this? In the task bar by the clock? Or in the Network Connections window (right-click My Network Places and select Properties on Windoze XP)?

Have check your drivers in the Device Manager? Are showing that they are working OK?

Changed anything recently on the computer? New software? New hardware? Any major crashes or problems?

What OS are you running?

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[soapbox] Backup = good...No backup = bad!! [/soap box]

This is a strange situation. A yellow triangle generally means a problem, but is also usually accompanied by a balloon that explains the problem. For example if a USB printer is off, you would get a yellow triangle and a balloon saying that the printer was disconnected. Now when a ethernet connection is disconnected, you get a red x, and if the wireless card is unplugged, you may also get a red x.

This may be a driver problem. Go into device manager (Start -> Control Panel -> double click System -> select Hardware Tab -> Device Manager button)

Then click on the "+" in front of Network Adapters and see if there are any message. Double click on each device (you should have the wireless card and ethernet connection). This will open up a dialog box and in the center there should be a box labeled Device Status that may give you a idea of what the problem is. When everything is normal, it will say the device is working properly.

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Thanks to Solar Wings for the special siggy.

The second picture tells a lot. The wireless is disconnected. We will leave this for a moment.

The ethernet is connected to the LAN, but the LAN is disconnected from the broadband connection.

First Broadband is any high speed "always-on" internet connection. It may be DSL, Cable or as in my case Satellite.

The ethernet cable is connected to the router, so the light on the front of the router for your computer should be lit. Unfortunately there is apparently a connection problem between the router and the broadband receiver (some call it a modem, but it is not really a modem).

On a test basis, connect the ethernet cable from your computer directly to this device without going through the router. You should have internet then. If not, it is a problem with your DSL connection. I hope you have anti-virus and anti-spyware with the definitions up to date, because when you do this, you are open to the world. If you do not, once you have the connection to the internet. Turn of the computer, disconnect and then post back the results.

We will have to do this one step at a time because you have a number of variables.

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Thanks to Solar Wings for the special siggy.