Wireless all- In-One for Dummies- P6

Wireless all- In-One for Dummies- P6:I still remember when I got my first cordless phone. Suddenly, I didn’thave to run to the kitchen when the phone rang, I just carried the phonewith me. I could make a phone call from wherever I was. Wireless meantfreedom, and this is just a phone that I’m talking about!
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Wireless all- In-One for Dummies- P6 Looking at Your Router 129 Book II Chapter 8Figure 8-5:Vista IPv4 Network Hardware Troubleshootingproperties.Looking at Your Router You should be able to connect over the wireless network to your router. If not, make sure of the following: ✦ Do you have DHCP enabled on the router? ✦ Is the computer able to associate with the wireless network? ✦ Can you connect to the wireless router’s Web interface using its address (such as 192.168.1.1) over the wireless network? The “Looking at Your PC” section covers these three items in detail. If you’ve got through the previous section and still can’t connect to the router, then skip ahead to the end and look at updating drivers. Look back at the network diagram. Because you can connect to the router, you know that your computer is all right and the wireless network works. So, the problem is either the router or the router’s connection to the Internet. Rebooting the router and ISP equipment Reboots fix a lot of things, and your Internet connection is no exception. Pull the power from your cable or ADSL modem and your wireless router, count to five, and then plug them back in.130 Looking at Your Router While you’re at it, make sure that all the cables are plugged in properly. Ethernet cables have a tab on the connector that prevents the cable from falling out, so a gentle tug on the connector verifies that everything is locked in. Also verify that the devices have power. All devices differ, but they all have some sort of light to indicate that they’re on. If, after all this work, you real- ized that you forgot to plug something in, don’t worry; it happens to the best of us! Give things a few minutes to settle and check again. Bypassing the router By now, you’ve checked all the common problems with the router and you’re getting close to the point where you’re going to have to call someone for help. Take your router out of the loop by plugging your computer directly into your Internet connection. For cable modems, this is fairly straightforward, but for ADSL connections you sometimes need some special software. If you’re able to connect to the Internet with your computer directly plugged in to your cable or ADSL modem, then your ISP is off the hook. The problem must be with your router. (I go over this in the next section.) If you still can’t browse the Web with your computer plugged in to the Internet connection, then your provider’s probably at fault. You might want to skip down to the “Before Calling for Support” section. If you’ve successfully connected to the Internet with the router before, and it just stopped working, then it’s probably a problem with your provider. Make sure that you’ve rebooted everything, and then jump down to the “Before Calling for Support” section. Setting the connection type If you remember way back to when you set up the router, you were asked if your Internet Service Provider requires a username and password to log in. This information is required to authenticate to the provider and get your service. If this information is wrong, then you won’t be able to log in. Similarly, if the router is configured to log in, but your provider isn’t expect- ing it, then you have problems. First, check to see if you’re getting an IP address from your provider. On the NETGEAR router, click on the Router Status link, which is in the Maintenance section and is shown in Figure 8-6. Looking at Your Router 131 Book II Chapter 8 Network Hardware TroubleshootingFigure 8-6:The routerstatusscreen. The section of the router status screen headed Internet Port contains the information pertaining to your Internet connection. You can see that an IP address of 24.79.141.14 has been assigned, and that DNS servers have also been given (it is all right that the IP address and the DNS servers look noth- ing like each other). If you have an Internet address of 0.0.0.0, then it means that you’re not con- nected to your provider, or your provider is having a problem. In this event, check the cable between your router and the modem, and between the modem and the provider, to make sure they’re attached and in the right port. Go back to Chapter 3 and make sure your router is set up correctly. If every- thing seems fine on yo ...