Connection very low or no network
Below is a tips of how to solve your network trouble under windows XP sp2
Network problem
This may be a problem with the Dynamic Allocation of IP address (DHCP)
Solution
Check whether the DHCP service is enabled on your router and the DHCP client is enabled under Windows Services.
To access Windows Services, go to menu
Start and select
Run, then type services.msc
Check your firewall
Finally if you have not been able with the above, manually assign the IP address and see if it works!
Network assign but no connectivity
In Windows XP SP2, if the local network shows "
limited or no connectivity" when it works, follow these steps:
Start / Control Panel / Network Connections, then right-click on the connection and choose
Properties.
In the configuration window open then, uncheck “Indicate me when this connection has limited or no connectivity”.
Problem on the network layer
Sometimes, a limited or no connectivity is caused by a problem on the network layer of Windows.
Solution
Go to menu start and select
Run, then type
cmd and press
ok.
For windows 2000/ XP SP1: type"
netsh int ip reset all" to reset the IP.
For Windows XP SP2/Vista: type "netsh int ip reset all" and then "
netsh winsock reset catalog".
Restart your computer and it will be ok.
Problem with WiFi
A limited or no connectivity with WiFi may be a misconfiguration of the security key WEP / WPA. If the key is incorrect, the connection will still settle against by encryption is different between the modem and your computer, electronic data can cause a limited or connectivity nonexistent.