my laptop is not picking up my wireless network

my laptop will not pickup my wireless network that was just installed, i have other laptops that will recognize it, but just not this one.
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billybaker69Author Commented:
when i run the diagnose network connection it says, I cant connect to the wireless network contact your network administrator. i am the administrator
What model laptop?
What's the OS?
Have you tried moving the laptop closer to the router?
Is the wireless access point 802.11a, b or g etc.?

Have you tried removing all the security encryption from the access point and then connecting? In the past I've also had trouble when using different brands, does everyone use the same hardware?
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billybaker69Author Commented:
it is an aspire 3000, windows xp, my other laptops are next to this one and they work on the network.
billybaker69Author Commented:
we moved it closer to the router and actually plugged it in using a cat cable
Did it connect with the cable?
billybaker69Author Commented:
no it did not connect with the cable
Have you checked the Device Manager to see if there are any problems with the adapters? Also make sure they are not disabled.
Will it pick up any wireless networks? For example at library or wireless cafe?
Is the network functionality of Windows installed on your laptop?
Does your laptop 'see' the wireless network, but will not allow you to connect? If yes, have you checked your encryption and security settings on the wireless network?
Is your wireless network a wireless router connected to your desktop?

I'd be more worried about it not connecting with the cable at this stage. You need to verify if it's a problem with the laptop or the access point. To do this you need to by pass the access point, plug the laptop into a hub or something. Or maybe the access point has MAC address filtering or some other filter set up that won't let your laptop through.
billybaker69Author Commented:
the laptop picks up other wireless networks just fine, however, it does not pick up this network.
If direct connect did not work, verify that there is no issue with the DHCP. If you are using a router with wireless capability, ensure that DHCP is turned on and that you connect to the LAN and not the WAN connection. If you have a large network, with a DHCP server computer you will need to disable the DHCP feature on the router so both DHCP's do not conflict and connect a LAN cable from the main network to the Access point in one of the local connections and not the WAN connection, and that will turn the Access point or router into a switch with wireless capability. And all computers connected directly and the wireless will be able to obtain an IP address and communicate to your network. Also make sure there is no IP conflicts with your access point and anywhere on your network, if there was it would cause major issues.

Also from a wireless point of view. Verify compatibility, is the Access point able to use either A,B,G,N? Also check that the card itself is compatible with the access point. Make sure that the access point turned on and broadcasting, and that you have all your security features correct or turned off.

If all else fails, reset to defaults and start from scratch.
billybaker69Author Commented:
What are ip conflicts and how do you determine if there is a conflict.
billybaker69Author Commented:
I connected to my router with a cable but can not connect through wireless
What steps have you taken to verify that your wireless router is actually sending?

Which one is it? "no it did not connect with the cable" and "I connected to my router with a cable but can not connect through wireless"
 This would have been nice to know. "the laptop picks up other wireless networks just fine, however, it does not pick up this network."
Are you saying that the problem is that your network does not appear in the available networks list?
billybaker69Author Commented:
it connected to the internet with a cable connection to the router. the network does not appear in the available network list.
You can enter it manually. Open the View Available networks. In the left panel select Advanced setting. Select the 2nd tab for Wireless .....
In the bottom section add an entry and enter the ssid etc. manually.

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