Wireless networking trouble

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I have a wireless network at home where the desktop pc is plugged directly into the router with an ethernet cable while the laptop connects to the router wirelessly. I notice for some reason that when the desktop computer is running something that's processor intensive, the laptop internet speed becomes slow as mud. Can anyone tell me why this is? I'd assumed that the laptop gets its internet feed straight from the router, which gets the signal from the modem, which gets the signal from the ISP. Why should the desktop CPU effect it?

I can see this happening if the desktop was also jamming up the bandwidth, but it happens no matter what the computer is doing. My son was playing a single-player offline game and my daughter started yelling at him to shut it off because he was making the laptop slow. It's not just her. I've notice it too. It doesn't make sense to me.

Posted 6-Oct-11 10:00am

Kevnar

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Ed Nutting 6-Oct-11 16:19pm

Are you running any form of server that your PC accesses? If so that may be your problem! I have a couple of suggestions - check that your computer isn't running as a DNS server, that should be router, you will need to change this if its not the router as the DNS server as this will probably be your problem. However, if this doesn't help, try running a program called WireShark on your desktop PC - it lets you view all the raw data packets that go in and out of your machine. By looking at what's actually being transferred you can see why your PC may be causing a problem. Hope this helps,
Ed :)

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