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Lenovo T61 Wireless connection drops

I have a lenovo T61 laptop that keeps dropping the wireless connection. I have searched the web and tried different things like using a different wireless card than the internal one and I still have the problem. My Dlink DI-624 wireless router is in the same room as my laptop about 8 feet from it. When it works the signal is excellent. I have tried changing the power management scheme to max performance from balanced or max battery. This did not help. What else can I try?  I called lenovo and they did not help. Sometimes it drops 3 or 4 times a day sometimes it goes a few days before dropping.
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jpetell
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jpetell
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4 Solutions
 
FirstDownMageCommented:
In many cases, when you have intermittent wireless signal, the drop out is caused by interference.  The biggest concern for interference is the distance from the wireless router.  Since you are 8 feet away, this is probably not the case.  In my experience, in the jobs I have had, the biggest items to cause you lose the signal are cordless phones, cell phones, microwaves, and space heaters.  Do you have any of these in the room.  Here is what I would suggest.

IF you have any of those items within the room, turn them all off.  Then jump on your laptop, get your connection, browse the internet for a little while, make sure everything is working ok. Then, try each one, one at a time.  Make a cell call, see if you lose the signal.  Make a tv dinner, see if you lose the signal, etc.  If activating one of the items coincides with the loss of the internet, that may be your problem.  You can test the results a few times for greater certainty.  IF it is one of these items, you can trying changing the router's wireless channel; although in all honesty, even though thats what they recommend, in my experience, it has yielded little in the way of positive results.  It would be easier to remove the device causing the problem, or if you are 8 feet away, to get a cable to the laptop.

IF you do not have any of those items within the room, if you have already tried changing the reciever, your next bet would be to change the router.  I would go to STAPLES, or any other type store with a good return policy, no restocking fee on open items.  Bring the new router home, test it out.

I know your brand isn't linksys, but you can check out this page, for a little confirmation and/or details about what I've been saying.  Its not a big page, but it has nice graphics :)
http://www3.nohold.net/noHoldCust56/Prod_6/KnowledgePortal/KPScripts/amsviewer.asp?docid=c7c7829f77a0468ca4939f31e69c23c1_KB4029_EN_070329_v1.xml&amsstatsid=5593275
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jpetellAuthor Commented:
I have a Panasonic Dec6.0 cordless phone in the same room. I have reied changing the channel. Still same problem. My cellphone is not in the same room and this room is 40 feet from my kitchen. The problem sometimes occurs at night after I go to bed. I leave my computers on and when i tried to connect in the morning my wireless connection is lost. I could and might try a different router. Any other suggestions?
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manav08Commented:
Hii ipetell,

I recently commented on this article.
http://www.experts-exchange.com/Hardware/Networking_Hardware/Wireless/Q_24136140.html

Please have a thorough read of all my comments. I strongly recommend placing your AP atleast 5 channels apart from your neighbour. Hence a site survey is required. Do a site survey and only then will you know the result.
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manav08Commented:
What I am trying to say is do a SITE SURVEY by tuning in different channels and see where you get the best reception. remember to read the link as above
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jpetellAuthor Commented:
I was setup for auto select channel. I changed that to channel 6. I will let you know in a few days if that worked. If not I will try channel 11. If that doesn't work I will try channel 1. I don't see any other wireless networks from my home here in Raleigh NC.

Thanks,
John
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manav08Commented:
Hi Ipetell, The logic is that you have to set your AP as far apart from your neighbours (5 channels apart) to avoid overlapping.. NETSTUMBLER will tell you exactly what is in the vicinity.
Also on a side note if you download NETSTUMBLER and go around the house you will be able to see which channel gives you the best signal strength. I suggest you try that.
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jpetellAuthor Commented:
It has been a few days since I have had a failure so it is possible that changing from channel 1 to channel 6 may have solved my problem. A few of the experts suggested this as a solution. I have decided to cancel my account as I don't experience that many problems that are loking for a solution.

Thanks,
John
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jpetellAuthor Commented:
All of the recommendations given were excellent. At this time I think moving to a different channel, in my case from 1 to 6 may have solved my problem.
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