Der er mange der oplever fejl med cod4 også den fejl du har. Jeg sender tre måder det MÅSKE kan løses på. Nummer 2 har hjulpet to jeg kender. Håber du får det til at virke da det er et super spil.
How to fix:
1- You can fix it by simply plugging in a microphone or you can just plug anything into the microphone jack.
or
2- In the Activision folder, select Call of Duty 4.
Open your Miles Folder
Look for the Mssmp3.asi file
Rename it to Mssmp3.bak
or
3- Enable Stereo MIX, Vista RealTek
-Start, control panel
-Hardware and Sound
-Sound
-Recording Tab
-Right Click in window, chose "Show Disabled Devices"
-"Setero MIX"appeared, Right Click and choose enable
-OK
These fixes should fixed your problems.