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Cant play CoD4 Multiplayer! ( Singleplayer works fine )

help!!
i cant play CoD4 on multiplayer for some reason. i just got a Radion 3650, and it plays singleplayer at max settings.
but when i start multiplayer, my screen goes black and then i get a message saying

"iw3mp.exe has stopped working"
Check for a solution Online
Close program

and thats it!
please help.
heres my specs:

eMachines T5088
1.5 gigs of ram
Intel Pentium 4 3.2 GHZ
ati radion hd 3650

heres my computer:
http://www.emachines.com/products/products.html?prod=T5088
but i upgraded to 1.5 gigs of ram, and a ATI Radion HD 3650
14 answers Last reply
More about cant play cod4 multiplayer singleplayer works fine
  1. if u need more links lemmie know
  2. Ok, you have Vista right? I just installed Vista on my secondary computer and ran into the exact same problem. It's actually an easy fix:

    -Control Panel
    -Sound
    -Recording tab
    -Right click in the box and select "show disabled devices"
    -"Stereo Mix" should then appear
    -Right click it
    -Enable
    -Apply
    -OK

    Don't know why that works, but it does. By the way, my control panel is set to classic view so it may be a little different on yours. But you get the idea.
  3. ty worx
  4. I'm having the same problem too. Single player works fine, everything on high. Then i try to go to multiplayer and i get the same error. Vista x64 sp1. q6600 4800x2.

    Ill try the above solution tonight also.
  5. nuke3ae said:
    I'm having the same problem too. Single player works fine, everything on high. Then i try to go to multiplayer and i get the same error. Vista x64 sp1. q6600 4800x2.

    Ill try the above solution tonight also.


    Please post back and tell if it works...
  6. physx7 said:
    Please post back and tell if it works...


    ok
  7. did the fix from above. I thought it was going to work, but instead the error is now: creat2dtexture(bunch of number/letters)invalid call
  8. crud.....
  9. i read on another post to try plugging in passive speakers to the microphone port but i dont think that that will fix the 2d error i am getting
  10. ok, reinstalled windows, installed cod4

    followed the above tip and it does work perfectly now
  11. Thanks for posting!
  12. It works 100% now, thankyou. It's just i need to install punk buster now. Bye
  13. how do i get cod 6 multiplayer to work
  14. This topic has been closed by Mousemonkey
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