Connection fails

Hi guys,
just put up a new pc with the modem I had my older laptop, where it worked fine. Now this is what happens: The connection starts normally, lasts about 1 hour, and then fails. This has happened many times. Anyone knows why this could be happening?
Best regards,
:)

my modem is an old baudtec, and I have Vista. The modem connects with usb. I also get an error message, but I do not remember now the exact number...
 
Try and get the error number for us if you can, it can be extrememly helpful in helping you solve your problem.
 
Have you tried resetting the router/modem back to factory settings, and then turning on security (if its WIFI)
 
You might want to check the DHCP lease time. If it's consistently an hour & then you get disconnected perhaps your pc is not renewing the DHCP address properly - or the router is not handing out ips correctly. Either way, as alexe3831 said, maybe resetting your router will do the trick!
 
DHCP would be reset if the router was restarted/reset so that is the first place to start. Second if the router is as old as you say, is it possible that it is not recieving DHCP tables from the internet correctly? the format has been updated a few times in the previous years...
 
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