Why can't left 4 dead 2 run on windows 7?

By pcwizard96
Feb 23, 2010
  1. i just got left 4 dead 2 from my friend and guest what i can only run the multiplayer mode. it worked perfectly fine on my friends computer.
  2. Slux773

    Slux773 TS Rookie Posts: 32

    If it successfully installed to your computer and you can play part of it but not all, I'm guessing it's a driver issue. Go to your computer's manufacturer's website and run a system driver update. Also something I always bring up when giving computer advice is be sure to faithfully run disk clean-ups and de-frags. Not doing so can affect performance in many different ways.
  3. EXCellR8

    EXCellR8 The Conservative Posts: 1,835

    Validate the game files from Steam and if necessary download all of the updates for the game as well. Valve is always releasing updates, especially for the new OS, so if it doesn't run initially chances are it needs to be updated to work. Also make sure you have the correct DirectX installed or you may run into compatibility issues.
  4. pcwizard96

    pcwizard96 TS Rookie Topic Starter Posts: 22

    thanks for the quick reply. i think i left out something. oh ya, the game did not need to be installed. i just extracted the files on the disk and it could already run but just the multiplayer part.
  5. KoolMan

    KoolMan TS Rookie

    steam has to let you get on the multilayer.
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