Call of Duty 4 Multiplayer Issues
Call of Duty 4: Modern Warfare -- COD4 -- is the fourth edition of the Call of Duty game franchise. This release comes with new weaponry and graphics settings. COD4 gamers can compete in multiplayer missions with other human players over the Internet. Players who make use of COD4's multiplayer mode will find that there are some technical issues with the game that manifest themselves during multiplayer games.
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PunkBuster Error
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PunkBuster is an anti-cheat application that prevents hacking within online games. Although PunkBuster supports COD4, older editions had bugs that prevented the game from loading or connecting. This problem can be rectified by downloading the latest edition of PunkBuster from the PunkBuster website.
Connection Issues
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When you connect to the COD4 game list, also known as the "Master Server," there can be network errors that prevent a list of games from displaying. Common issues include "No Servers Listed in the Lobby," "Connection to Server Timed Out" or "COD4 Cannot Connect to the Master Server." These problems can often be addressed by verifying your Internet connection is working and that the game is allowed Internet access in your firewall program.
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Sluggish Game
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COD4's multiplayer mode is less controlled than its single player mode. If large numbers of users connect and perform graphically intensive actions, the system's framerate will usually slow to a crawl for a moment because it cannot keep up with the amount of information displayed on the screen. Upgrading video card drivers, playing games with fewer players, overclocking your video card and buying a new video card are all acceptable remedies to this problem.
Latency Issues
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Call of Duty 4 expects users to have high-speed Internet connections. If you are playing on Dial-Up, ISDN or 3G in a limited service area, you will have difficulty keeping up. These technical issues cannot be avoided because the game requires more bandwidth than you have, so your best solution is to upgrade your connection to a dedicated high-speed Internet link.
Sound Cards
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Some sound cards like Realtek or Sigmatel cause problems while playing COD4. If the system has a Realtek onboard sound card and Windows Vista, removing Realtek and allowing Windows Vista to install its own sound drivers will solve the issue. If the system has a Sigmatel onboard sound card and Windows Vista, installing all Windows Vista updates and downloading the latest Sigmatel drivers will solve the issue.
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