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WiFi Issue

Configuration :
 Lucent PC24E-H-FC card  ( 172.16.224.x/24 ,DHCP enabled)
 Windows XP / SP1 en P3/1Ghz, 512 Mb RAM
 Ethernet 3COM905 TX Card ( private LAN 192.168.15.x/24 , no DHCP)

From time to time (30 – 120 sec.) I receive “Disconnected” and then “Connected” message from the WiFi card . This can be very annoying  when I transfer something without using FTP-Restart ( i.e. Cut/Paste in File sharing ) .
Some ideas ? Thank you !
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gnegrota
Asked:
gnegrota
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5 Solutions
 
GazzerHCommented:
This is proberly a result of a bad connection. Some WiFi cards have powersaving features. This reduces the range they can operate at. Try looking at the properties of card in Device Manager. Also if any software installs with the card look at the settings there as well. Disable anything that looks like it may reduce power to the card.

If this doesn't work then what is the make of the wireless card and your computers spec?
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UNS-TechCommented:
Hi

there is a setting in Device Manager to 'turn off power to this device', if the device is pcmcia or usb, also check this setting on the controllers

regards
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alshahnazCommented:
suggest to install windows xp sp2.it might solve the problem

Shahnaz
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alshahnazCommented:
also scan ur pc for virus.

Shahnaz
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GazzerHCommented:
Installing SP2 might introduce a whole load of new problems though. Get it working without SP2 first. When it is working THEN install SP2.
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lrmooreCommented:
XP SP2 adds a whole host of improvements to handling wireless connections. It has not introduced any problems on any of my systems..
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GazzerHCommented:
Handling a wireless connection - yes. Fixing issues with connections dropping out - no.

SP2 will not fix this problem. You are proberly too far away from the access point or something is interfering with the signal.
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gnegrotaAuthor Commented:
I don't whant to upgrade to SP2... yet ;-) Anyway, I check again if I have around something that disturbing the communication. Some ideea how I can detect that ?!

No power-save on card , Gazzer , tnkx !
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RLGSCCommented:
gnegrota,

Random dropouts are often a "line of sight" problem. If objects (e.g., people) walk though the signal path, you will get problems of the type that you describe.

Often, a good solution is two fold:

 - Mount the antenna(s) in or adjacent to the ceiling, not on a desktop of file cabinet top, the difference is significant.
 - Use a WAP with employs a detachable antenna in conjunction with a high gain antenna, not the mini-sticks that the
   access points typically come with as standard equipment. The difference is also significant.

In my experience, the "line of sight" problems are the most common cause of problems such as you described.

I hope that the above is helpful.

- Bob (aka RLGSC)
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Ben-HigginsCommented:
If you are experiencing interferance changing the broadcast channel on the access point can help. Try and move it to a non overlapping channel e.g if you are using 7 now, change to 1.
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DragonmenCommented:
Check what signal level you have and if you get the drops check what is causing it.
Try to access each other using different card.
Better external antenna will help improve the signal strength (you can also make one pretty easy).
If you can try to increase strength of the signal of your card (don't try too much - you may burn your card).
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tmcguinessCommented:
If your NIC didn't come with a utility to measure signal quality, you can find them to download free. I'd go to your nic manufacturer and see what utilities they have.

What kind of wap you using? I've seen nics and waps that don't seem to get along very well, especially in low signal situations. I'd do a couple of things to break up the problem.

Put your NIC in a machine close by.
Put a different NIC in yours
Put your machine closer to the wap or bring the wap closer to the machine.

Another thing to try is to see if you have the latest firmware and drivers for your NIC.
I'm with DragonMen. My money is on signal strength... hopefully a new nic can take care of that.
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col_forbin13Commented:
You might want to check out this article.  I have had no problems with dropped connections since I disabled the Windows Zero Config Service, and use the software that came with my card.

http://arstechnica.com/news/posts/1080251780.html
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yurokgalaCommented:
First, upgrade the firmware on the router/access point.
Make sure the router and the card is set on the same channel (best to use 11).
Enable and configure WEP and MAC access to make sure no one's piggybacking.
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fadiramadaCommented:
Hi it's Fadi,

It's an issue, that's it (lol)

Thanks
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gnegrotaAuthor Commented:
Hi Fadi !
I don't understand .. what solution or something like this you have ...
:-?
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