Some parts are heat sensitive and we either cool them or replace them. Some owners fixate on CPU temperatures but what about the rest of the machine?
Try this test. Leave the cover off, point a house fan at the open case and see if the problem vanishes.
This is the first time I've asked for help here, so bare with me...
I'm running a Windows XP SP2 (build 2600) Pentium 4 (32bit) computer with a 10/100 wired network card.
Within the last few days, I've been having trouble with the network card. At boot, it'll act fine, no trouble... but after an hour (sometimes 5 to 10 hours, it's random) the network would stop functioning. I am unable to enter the Network connections folder either. When I right click the icon in the system tray and click repair, Windows tells me it's "Unable to query TCP/IP settings" or something similar, and I am unable to get network back until I reboot. Needless to say, that for a heavy gamer like myself, it is annoying.
I'm hoping that someone can help me, as I've almost had enough of it.
I have most noticed the problem in heavy network games like Star Wars Galaxies, where in a 2 to 3 hour gaming session, I end up rebooting next to 5 times. (and it's not just gaming either, sometimes it's just web browsing.)
I have confirmed that it is not the windows install as I have reinstalled Windows, to no effect.