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Speaking of home routers, occasionally my linksys router (not wireless) goes into a state where the red diag light is on and I have to unplug it. I never had to do that before. The only difference now is that I don't have it plugged into a Monster Power Home Theater power strip since I moved the TV. It doesn't do it as much now either since Consumers fixed the loose Neutral I discovered I had at my house, but it does still do it. Those Monster Power Home Theater power strips, while they have the hefty price tag, actually filter the power. It gets rid of various interference and filters the electrical power. A UPS would also filter the electrical power. I was amazed at the amount of hum I would get when I would plug in the VCR to my capture card on the computer. I'd also get video interference with small bright strips moving slowly through the video. I could also get rid of all of this hum, and video lines by eliminating the ground on the equipment with one of those 2 prong adapters, but that is the wrong and unsafe way to do that. As for laser printers, we have actually fixed some of the strange problems we had with them by simply plugging them into the outlet directly, and not with a surge surpressor/power strip. I can imagine that even the newer ones still do a big power draw, especially considering how hot the fusers get. All in all I wouldn't doubt that interference in the electrical power would cause any of these Wireless problems, based on the problems that I have had. Tim -----Original Message----- From: MSU Network Administrators Group [mailto:[log in to unmask]] On Behalf Of Richard Wiggins Sent: Friday, July 09, 2004 5:52 PM To: [log in to unmask] Subject: Re: [MSUNAG] Laptops, Wi-Fi, Problems, Troy Murry I thought about the laser printer possibility but I couldn't imagine how it'd put out enough RF to nuke the Wi-Fi signal. But I do know from tormenting the guy in the next office that when the heating element on my laser printer goes off, it causes his flourescent lights to flicker. We put a meter on it and saw a tremendous spike when it does the re-heat. Maybe if a laser printer is on the same circuit as the access point the power draw is causing the problem? The energy conservation folks on campus say that older laser printers left on 24/7 are a huge component of MSU's electric bill. /rich On Fri, 9 Jul 2004 16:26:50 -0400, Clifford Beckett <[log in to unmask]> wrote: > Hi Troy, > That is a very interesting problem. From your description, I would say the > problem has to be with one of the pieces of equipment that was moved with > the office from the old building to the new one. I would look at the > copy machines and faxes etc. These devices have heater bars and thermal > controllers which cycle on and off on a regular basis. Turn every > electronic device you can off except the wireless laptops and see if the > problem goes away. > Let us know what happens? > Cliff > > Clifford L. Beckett > Electronic Systems Designer > Michigan State University > A411 E. Fee Hall > E. Lansing, MI 48824 > office 517-355-4659 > cell 517-749-4308 >