Very slow internet

R

ribbit

Registered
I have a G5 iMac, v10.4.11, that is connected via ethernet cable to the internet and my workplace's server. Trying to browse webpages is very slow, taking 10+ seconds in Firefox for the page to even do anything, ex. searching on Google. The same internet connection works very quickly on my PC.

I've tried switching ethernet cables with the PC and Mac - no change; PC internet is quick, Mac is slow.

Tried repairing disk permissions - no change.

I've unchecked "Automatic Proxy Configuration" in the Network settings - no change.

I've released and renewed the IP address - no change.

I've traced the route on Mac and PC - the route is the same.

I've turned off the Airport in case it might be interfering with the cable connection - no change.

I've run out of ideas! What could be the problem, and how can I fix it? An IT person suggested reformatting it - I'd really rather not format the whole computer. Thanks
 
Nope, didn't work =( Thanks, though.

I turned off the IPv6, and restarted the computer, and the internet is no faster than it was before.

Also noticed: After taking a long time to do anything after clicking a link, once the page partially loads, the pinwheel spins for about 15-20 secs. before becoming an arrow that will click on anything.
 
I have no idea what my DNS settings are, I have no idea what DNS settings do...

As for the ethernet cable, I know it definately works: I've got a PC next to the Mac and I switched their cables, and then switched the ports, and the internet on the PC works fine. Thanks for the suggestion.
 
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