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Broadband Speed Depends On More Than A Fast Computer



Paul Watson, PC Technician

Wednesday, June 10th 2009



Broadband Speed Depends On More Than A Fast Computer

Broadband Speed Depends On More Than A Fast Computer

If you connect your computer to the Internet via a broadband connection (DSL, cable modem, etc), you may wonder exactly how fast your computer is. Keep in mind that when you connect your computer to the Internet, you add variables that can change the apparent performance of your computer, but that doesn’t mean your computer has gotten slow.

Troubleshooting A Slow Network Connection

To troubleshoot a “slow” network connection, you’ll first have to isolate the problem. The problem could be in one of several areas. The bad news is that you have real control over just one potential problem spot: your own computer. That makes locating the source of the slow response a critical part of getting the problem resolved.
The easiest way to determine whether a slow connection is on your computer or elsewhere in your setup is to disconnect your computer from the network. This will help you determine whether the problem is with your computer or outside of your control.

If your computer seems to operate normally when it is disconnected from the network, the problem may be with your network configuration. The first thing to do is verify all of your network settings. Even simple things like an error in the DNS server address can cause enormous delays when your computer is connected to the Internet. Once you’re sure your network configuration is correct, look for other, less obvious causes.

If your computer is connected directly to your service provider’s network, verify all network settings with your service provider. If you have a firewall turned on, verify that the traffic you’re sending out and receiving from the Internet can pass. If you have a firewall, but don’t know how to use it, consult the Technical Support group at your network service provider.

Alternately, if you have the time and energy to do so, learn a bit about administering your firewall. Don’t simply disable your firewall; it’s there for a reason. Firewalls can keep your computer safe from malicious users who are looking for an available computer to “borrow” for file storage, malware distribution, identity theft, or hacking practice. With a little effort, you can configure your firewall to reduce your risk on the Internet, and improve the performance of your computer. If you suspect a problem with your firewall, your Internet Service Provider may be able to help with configuration and testing.

In my next post, I’ll show you how to measure your upload and download speeds.

Photo Credit: Kjell Olsen

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