Hard Drive Noise and Ethernet Problems

Hello, it's been a long time since I've had to post anything, but I guess that's good.
Anyway I have two problems, the first involves my Ethernet, I've been trying to use it to either access my Xbox Live or FTP items with another computer, however no matter what I seem to do, the light in System Preferences remains red. It does not seem to detect cables attached to it either.
The second problem may not be a problem, but I've installed World Of Warcraft on my computer, which runs fairly well, however I have been getting a weird noise I do not normally hear. The noise does not sound like a normal noise when the computer is accessing data off the hard drive. Is this normal or could there be a problem?
Thanks in advance,
Paul

Hello Paul:
You can check your HD health by opening disk utility and highlighting the HD itself (not your file). You will see something at the bottom called S.M.A.R.T. If that says anything other than "verified," you have a HD problem.
It is hard to diagnose the problem with your Ethernet device. You might run the hardware checker that came with your install DVD/CD. If you have other Ethernet devices, you could try them. Beyond that, the port itself may be bad.
Barry

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