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probs w/wired network - switch to wireless?

I have 2 relatively new computers running XP that I have networked with an ethernet router. they share cable internet, a printer and files. my problem is at least twice a week I can't connect to the internet on the primary computer. when I go searching for the problem, it is always unable to "see" the second computer and I have to run a network setup on windows. after I do that all is good, but it is getting beyond annoying. what could the problem be?

also, I have been looking lately at getting a wireless setup, instead of what I have now...so that I can hook up other components to the network (DVR now, laptop and other in the future). will that solve this dropping problem...and how good do those wireless routers really work between walls? I have one computer upstairs, one downstairs (about 15 ft away, underneath), and one network compatible DVR in the room over from upstairs computer. I've done all kinds of research online and I would have to get the "a" type to prevent interference from my phones but the reviews are mixed and confusing about going through walls and floors.
TIA very much for any help!!

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802.11a was never very popular....

In reply to: probs w/wired network - switch to wireless?

for a variety of reasons. Pre-N and the soon to be ratified N standard will be the norm in the not too distant future.

As far as your existing problem, the first thing I would do is update the firmware for the router. This cures many out-of-the-box issues.

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Maybe................................Maybe Not

In reply to: probs w/wired network - switch to wireless?

As already suggested you can almost certainly fix the exisiting network. Firmware update would be a good idea, as would be checking the settings in the router and the PC's. It may be as simple as a dodgy cable!!

If you want to go wireless for other reasons, may be a good time to do it. However, avoid anything called Pre-N. Pre-N is not a proper standard for networking, but rather a guess by manufactures at ewhat the N standard will be. Give it a year before considering this.
The interference problem only happens if you have a cordless phone. Find out what frquency it works on. 802.11a runs on 5ghz. b and g run on 2.4ghz. Choose the one your phone isn't on. Make sure any equipment has a WiFi Certifed logo on it to avoid any problems. Any of the three standards will be more than able to cover the area you describe, even if the walls/ floor are solid concrete.

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