Ok I got a really weird problem.

I can play Call of duty 4 Singleplayer on max screen resolution and on max graphic option whit a really good FPS, but when I change to multiplayer I get some serious LAG issue even if I change to the LOWEST of the lowest graphic option whit the lowest screen resolution.

And I have 8Mb/s and my friend whit a even worse computer whit 2Mb/s can play just fine whit medium graphic settings.

So what is the problem whit multiplayer?

(the game is not downloaded it's a valid CD key, and it's on a real server, and no stuff abut it)

Edit:
Fixed spellingWhat do you MEAN by multilayer? At first I thought spelling mistake but you have said it twice.... hehe... I didn't see I forgot the P but now it says Multiplayer No, now it says multilpayer.


Only think I can think of is your connection is crap somewhere down the line. Ethernet card, router... etc.I got 8Mb/s Down and I got 5Mb/s up and it DOSE not lag like if it where the internet connection, more like my graphic card could not handle it...

Gaming Rig

Manufacturer: System manufacturer
Processor: Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz (2 CPUs)
Memory: 2496MB RAM
Hard Drive: 1550 GB
Video Card: NVIDIA GeForce 9800 GTX/9800 GTX+
Monitor: 1680 x 1050
Sound Card: SoundMAX HD Audio