Left 4 Dead 2 Crash
The 1st Left 4 Dead version faces game crash issue. And the next release Left 4 Dead 2 also facing the same crashing issue. After searching online for crash fix solution, I found some that might help you all.
Start LAN game citation needed. Open the developer console and type in: svlan 1. After that, type in: map%mapname%,%mapname% is the name of the map (for example, to play on 'No Mercy', write 'map l4dhospital01apartment')Maplist:.
Enjoy the new song, 'I Was Made For Sunny Days' by The Weepies. The track is the first single from new album, Be My Thrill, out now. Sunny day song lyrics.
No Mercy: l4dhospital01apartment. Crash Course: l4dgarage01alleys. Death Toll: l4dsmalltown01caves. Dead Air: l4dairport01greenhouse.
Blood Harvest: l4dfarm01hilltop. The Sacrifice: l4driver01docksTo clients to join a server, use: connect: (for example, connect 192.168.1.1).Notes.

Users without a US keyboard could experience some.Creating your own CFG (to run multiple console commands together) A CFG is a file that contains a list of commands that when run will attempt to execute them allOpen a text editor such as Notepad and type in all the commands you want separating each with a;When done save the file as filename.cfg in left4deadcfg. To run the cfg file, open the console during the game and type in exec filename.cfgIf you want the CFG file to run automatically, name it autoexec.cfg.Useful split-screen commands Since Split-screen mode in Left 4 Dead isn't officially supported, there are multiple important key settings which aren't immediately available.CommandDescriptionconnectsplitscreen localhost ip-address 2Join a LAN or Internet server in splitscreen mode.cmd/cmd2 jointeam 2/3Assign selected player (cmd) to either survivor or infected teammpgamemode coop/survival/versusChange gamemode. If adjusted while in-game it's advised to changelevelsssplitmode 0/1/2Toggle horizontal and vertical screen split (0 is auto selection)zdifficulty Easy/Normal/Hard/ImpossibleChange game difficultysetinfo name MaxChange player 1 namename2 TonyChange player 2 nameCommand line arguments. ParameterDescription-w X -h YSets screen resolution (or window resolution if using -window). Example: -w 1920 -h 1080.-refresh XSets your screen refresh-rate (Hz). Example: -refresh 60.-noborder -windowLaunches the game in a borderless fullscreen window (i.e. Very Alt+ Tab ↹ friendly).

Left 4 Dead 2 Crash Course
This may result in a minor performance loss. If you experience stuttering, disable Windows Aero. citation needed-novidSkip intro videos-autoconfigRestores video and performance settings to default for the current hardware detected. Ignores settings inside any.cfg files until this parameter is removed.System requirements WindowsmacOS (OS X).
If it's only and only L4D2 the one causing the issue, try reinstalling it, see if some redistributable directx is also installed with the games, as these files are bundled with most games and sometimes could cause interference among them (though I must admit that causing a total power failure is really strange indeed.)Also just to make sure, go ahead and stress test your GPU with Furmark or your gpu stress program of your choice (let it run for at least one hour, monitor temps and voltage levels from CPU, GPU and PSU while on it). First thing to do is Verify the Integrity of your Game Cache. RMB@L4D2 - Properties - Local Files - VerifyIf your PC is outright powering off, its usually your CPU overheating and shutting off to protect it from damage. Clean out your fans, make sure the thing is properly seated and make sure there is enough airflow behind your pc and around to the back of your desk.

Left 4 Dead 2 Crashes After Loading Map
This happened to me playing Borderlands 2 with SplitTool. I moved my PC forward one inch and it was fine as airflow was improved.If your GPU/CPU temps are reported as very low at full load the likelihood is that your heatsinks are not properly mounted and are not removing the heat properly.Go to:Control Panel - Administrative Tools - Event ViewerAnd have a look. All crashes and errors are documented here and if you can't pin it down at least you'll have a start at finding the error.@RaDiKaL I think you need a bigger PSU dude. It may work but get something bigger and watch your performance fly!