I have 2 Windows XP Pro SP2 computers in a home network connected to a DSL gateway. Both have been working fine up until two weeks ago. Now one of them will go into a state of very low to no internet connectivity. The other is still fine. I have tried different ports on my gateway, a different network card, scanned for viruses and spyware multiple times, rebooting ( even into safe mode ). I'm deleting my cookies and temporary internet files on a daily basis.
I am now doing all of this on a daily basis because that is the only way I can get a good internet connection ( sometimes ). It will then work for fine for anywhere between a few hours to a few minutes and then it goes right back to very slow or no internet connectivity.
During these periods of no interenet connectivity I have booted into safe mode with network support to see if that makes a difference, it has not. I have restarted my gateway to no avail. I have tried enabling and disabling my antivirus program and the Windows XP Firewall to no avail. I have switched from DHCP to status IP's to no avail. It seems like my computer is simply not sending the packets out onto the network.
I am pretty certain it isn't my gateway because my one computer is just fine with no problems at all. Any suggestions because I am at my wits end. Thank you.
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