Using Wired Connection on a Laptop with an adapter

Hello,
I have a Linksys Router WRT54GX2 connected wired to a Toshiba Laptop. I have a Dell Laptop with a WPC54GX4 notebook adapter. The wired connection has worked perfectly since the beginning, but I have had terrible problems with the wireless connection. It will connect fine, but after 5 minutes or so, it will start to degrade and finally die. I have other people bring their notebooks to my place and I have been able to duplicate the problem on their machines, so I know it is not the adapter. I tried everything that technical support has told me, but nothing has worked and basically I have given up. My question though is if I am using the dell laptop wirelessly and the connection dies in the middle of a download or something and I just want to disconnect the wired connection from the Toshiba and put it in the Dell, do I have to disable the adapter first or can I just plug it in as it is?
- Paul

Hai,
   I will tell you some of the steps you can try..
  If you are having a cable ISP provider means,
  1. Hard reset the router. (But not for all the time.. it will let the router to gone bad)
   2. logon to the router setup page .personalize your wireless settings.
       change the wireless ssid , channel -11
   3. secure your wireless network.. so that you can avoid frequent disconnection.
  4. upgrade the firmware 1.01.14
  i am sure it will work..

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