Second computer not detecting network

Hi!
This week I bought a new WRT54G v8.1. After updating the firmware, I was able to set up the network using LELA. However, I've tried adding the second computer to the network and haven't been able to get it to work.
The second computer has a wireless USB adaptor (also Linksys) to receive the signal. It detects other networks in the general vicinity (such as my neighbors'), but not my router. The WLAN light on the router connected to computer #1 flashes rapidly when computer #1 wakes up or is restarted. It then slows until it blinks only once every 10 seconds or so. I've copied the "LinksysConnectPC" setup program to a flash drive, per the LELA directions, and transferred it to computer #2. However, when I run this program, there is a "Checking the computer..." message displayed for several minutes. At first, this message was displayed for only 1 or 2 minutes. After subsequent tries, this message was displayed for closer to ten minutes. After this period of waiting, the message, "EasyLink Advisor could not establish a wireless connection to the router", is displayed.
Computer #1 uses Windows XP. Computer #2 uses Windows Vista. The router is set to channel 1. The USB adaptor is set to channels 1-11 in Device Manager. SSID broadcast is set to "enabled". The security mode is set to WEP.
What should I do?
Message Edited by SharkD on 03-09-2008 09:05 PM
Message Edited by SharkD on 03-09-2008 09:12 PM

First of all, give your network a unique SSID. Do not use "linksys". If you are using "linksys" you may be trying to connect to your neighbor's router.   Verify that "SSID Broadcast" is set to "enabled".
Also, in the computer, go to your wireless software, and go to "Preferred Networks" (sometimes called "Profiles" ). There are probably a few networks listed. Delete any network named "linksys". Also delete any network that you do not recognize, or that you no longer use.  Delete your current network (this will delete any old settings).  Reboot computer.  Return to "Preferred Networks" and re-enter your current network info (SSID, encryption (if any), and key (if any) ). Then select your current network and make it your default network, and set it to automatic login. You may need to go to "settings" to do this, or you may need to right click on your network and select "Properties" or "settings".  Reboot computer.  You should connect automatically.  If you still have a problem, temporarily turn off your computer's software firewall.
If the above does not fix your problem, download and install the latest driver for your wireless card.
Some users have reported improved wireless performance by switching from WEP to WPA encryption.   Ideally, you should be using WPA2, or at least WPA encryption with a strong password.  WEP is no longer recommended.
If you decide to go with WPA2 ( = WPA with AES ), note that Windows XP requires a patch to run WPA2. Go to Microsoft Knowledge base, article ID=917021 and it will direct you to the patch.
Sadly, the patch is not part of the automatic Windows XP updates, so lots of people are missing the patch.

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