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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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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Answers
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)
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).
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.
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/new
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by: GazzerHPosted on 2004-10-25 at 05:42:10ID: 12399538
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?