Hello guys! My left 4 dead 2 won't start. When i click on play button it says: "preparing to launch left 4 dead 2" . Then it suddenly disappears, and nothing happens. I have the game in processes for about 10-15 seconds and then it disappears. My steam also says that i am in game, but no I am NOT. The game just didnt start up :( I dont know why this issue happens, i was playing the game for You need to be in a listen server to use cheats in this game. To create a listen server, open the console from the main menu and enter "map [mapname]". E.g. to start on Dead Center 1, enter "map c1m1_hotel". (Don't worry about the names, it should give you suggestions when you start typing.) Once you're in, enter "sv_cheats 1" and you're all Once installed, configure Left 4 Bots for singleplayer versus gameplay. Open the file, \Left 4 Dead 2\left4dead2\ems\left4bots\cfg\convars.txt with a text editor and add the following line to it: vs_max_team_switches 999. That console variable allows you to switch between the infected and the survivor teams as many times as needed. Enabling the console: If you haven't done this already open the launch config of the game in the Steam Library Browser and add -console to it. Then start the game. Start the game: Now start the game and in the console type: exec 360controller.cfg (or whatever you have called the file) ss_splitmode 1/2 (1 = horizontal, 2 = vertical) Go back to Steam interface and right click L4D2 in game library and choose launch properties. Write "-console". It will automatically open the console when you start the game, but if you close it you need to restart the game. You can't manually open it in main menu. And there press f1 to open and close the console. This is an easy part. Simply by going to Left 4 Dead 2 listed in your Steam Library, right-clicking it and selecting “Properties…”, you should see a button that says “SET LAUNCH OPTIONS…”. Click it, and another dialogue window will pop up. In the text field, enter, without quotations: “-novid -safe -nosound -autoconfig -console herb burp Dec 31, 2016 @ 9:09am. Hello, this worked for me. Go to your steam library and right click on left for dead 2. Go to properties and then click on launch options. Type in "-autoconfig" without the quotation marks. Close out and start game. #12. la pesadilla Dec 31, 2016 @ 9:10am. kappa. or use "mat_monitorgamma 1.7 (Brighter) - 2.2 (Darker)" in the console This doesn't work outside fullscreen so the closest is using "mat_fullbright 1" but you have to load the map through the console using "map" command The problem is that the brightness option is disabled because you're either playing it on windowed or borderless window 6) Note: when you don't want to cheat, enter nothing in the "Launch Options - Left 4 Dead 2" window IN LEFT 4 DEAD 2 1) At "Left 4 Dead 2 " main menu, the Intro Console Window displays. 2) You must enter in order the following console command to be able to display the console window later (ingame): bind p toggleconsole 3) Press [Enter] key You should first check to see if things functionally conflict in the game before you go messing with files. A lot of things are false positives, or otherwise handled by L4D2's "load order". You can also mess with the addonlist.txt found in the left4dead2 folder to adjust what has priority over the other mods. 8x3O.