Sorry in advance if this is the wrong forum for this thread, but I am very much an internet novice and I am tearing my hair out at the moment!
I'm living in an apartment complex with wireless technology. I have been using the netgear wireless adapter, and been connected to the internet with no problem for the last 6 months!
Suddenly on Friday night, the internet just dropped the connection and I haven't been able to reconnect since!
The netgear smart wizard is still recognising the signal, the actual adapter is still on green and the amber light switching on and off, suggesting data is being transmitted.
The Windows XP wireless dialogue box recognises the excellent signal as well, but just gets stuck on 'Acquiring network address...' and after trying to acquire it for a while, when I reboot the computer, it just stops and says 'Limited or no connectivity....' and I cant load any webpages.
When I try and use the 'repair' function, it just gets stuck on 'renewing ip address', stating that it is unable to do so, and I should contact the network adminstrator.
Does anyone know what has happened?!!!!!!!!!!!!!! I read somewhere about doing the following (start/run, cmd, type ipconfig/flushdns) but this hasnt worked either!!
It could be that someone has enabled some form of security on the access point. Does your computer show the connection as being 'security-enabled' or show an option such as WEP or WPA?
If not they may have MAC address filtering enabled, which essentially bans all clients unless their unique hardware address is added to a list on the access point.
If I were you I'd speak to the person who is in charge of the internet connection and find out what the story is. If you don't know who that is are you sure you haven't inadvertently connected to someone else's private connection?
basically the flats all have wireless technology enabled. all i had to do was get an adapter for my laptop, which I did, and then type in the SSID and WEP encryption code.
I did all this 6 months ago, and it has been working a treat since...i.e. 'excellent signal' from the netgear smart wizard....
jsut suddenly friday night the connection dropped; ive restarted, uninstalled and re-installed, but it doesnt seem to be a prob with the netgear adapter or software, since it is still recognising the signal, and the adapter LED lights are still blinking normally.
it is just the damn windows XP thing that starts looking for a network address, and gets stuck on 'acquiring a network address' and ends on 'limited or no connectivity' even though the signal strength is excellent!!
The Windows XP error 'Limited or no connectivity' means yous PC cannot obtain an IP address from a DHCP server. This means that DHCP has been disabled on the network (not very likely) or your wireless connection is no longer operating properly.
If the WEP key is incorrect or MAC filtering is set up on the access point, Windows will still report the wireless connection as being connected but no traffic will be able to pass through so this is why I suggested checking with the person administering the network to see if any settings have been changed before making any changes to your PC itself.
Hi there I don't know if you have solved your problem yet, but here are a couple of things to try.
If you have a third party Firewall I would try and disable it for a while and try to reconnect again. I have come across this problem before.
If that does not work I would try and delete the "Profile" your computer has for this wireless connection and create it again. If you use the Windows "Zero configuration Utility" you just need to click on the wireless network icon in the task bar and then go to the view wireless networks and remove from the list. If you are using the software with your card you will just need to find where it has the list of profiles and delete the one for your local network and recreate it.
thanks for the tips guys...
i disabled the firewall too to see if that worked...nothing
but, contacted the people who maintain the network in the development of flats...they are looking into it...might be a fault with the DHCP thingy, because some of the other flats have experienced a similar problem...
fingers crossed. i ordered a new laptop too cos i was so fed up!
Help! My internet won't connect! 
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