How To Fix Lag Spikes And Crashes Guide

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How To Fix Lag Spikes, And Crashes
The Normal and most common of Left 4 Dead Game, runs fine for a couple weeks, then for a couple days, its lag of death. Well there are couple ways to fix this. So here's a few of my ways, and some things i learned from may sites.

ONE: Graphic Settings.

Although L4D Graphics are pretty good, But playing the game is rather fun, but some people like  play on high graphics, Shader Detail the main graphics enhancement, but its highly recommended to keep it at medium.

Go To Options >Video > Advanced Settings







1: Anti-Aliasing "Set it to None"

2:  Shader Details "set it to medium"

3: Wait for Vertical Sync "Disable it"

4: Multi-Core Rendering "Disable It"







5: Affinity (Optional, but still recommended), Open task manager, go to Processes, right click L4D, go to properties, and click set Affinity, and uncheck CPU 1, and leave the CPU 0, checked, and click OK.

And there, you game will run much smoother.

TWO:  Programs/Things that can make you lag.

1: Torrent "MUST" be closed, never play left 4 dead while you still have torrent open, it will lag you.

2: Music Also must be closed.

3: Router/Distant Countries Depending on what conenction you are using, Router is half the connect speed and will be laggy least 6/10 times weekly, and Wireless, in case countries dont have Broadband Ethernet, well, its best to have every program closed. And only L4D and Garena open.

THREE: Some ways to help make your PC faster, than can make you L4D faster.

1: msconfig by start menu and typing msconfig and press enter. Go to Boot Tab and then click Advanced Options.  Check Number Of Processors, and set it to the highest you have. and then this will make your processors run, and make your PC faster, will multi- programs at once. "Will help for Left 4 Dead"

2: also with msconfig, go to Services Tab, check Hide all Microsoft Services, and then uncheck the programs you dont even know of, or dont use, and uncheck them will help make your PC run faster.

3: Download GameBooster http://www.iobit.com/gamebooster.html  and this will help make you Left 4 Dead run much better.







Detailed Breakdown of Advanced Settings in Left 4 Dead Video Options




  • Anti-Aliasing:
    • What is it?
      AA was created to counter the rendering of rough, jagged looking lines.  They are quite noticeable in lower resolutions, especially on any diagonal lines.
    • What should I set it to?
      • If you play at a higher resolution like 1680×1050, you may want to set this option to below 4x or even off.  AA can create a huge performance hit depending on the power of your video card(s). If you’re having performance problems or are using video hardware that is a few years old, I recommend turning this setting completely off.
        Note: On certain N-vidia cards you will actually get better FPS if you leave this option on at around 2x. Experiment between on/off and determine what’s best for you.
  • Filtering Mode:
    • What is it?
      This option forces a specific method to render textures, each varying in quality and performance. The range starts from simple bi-linear passes (2x).. to the advanced anisotropic filter which re-samples each texture up to 16x in real-time preventing the occurrence of artifacts and improving the quality of textures.
    • What should I set it to?
      • Try setting it to “Tri-linear” or AF 2x or 4x. Generally the lower you go, the more frames per second you’ll gain.

  • Vertical Sync:
    • What is it?
      This option allows your monitor to sync each frame with your video card preventing visual artifacts or “screen tearing” to occur.
    • What should I set it to?
      • The problem Vertical Sync is that the second your video FPS (frames per second) dips below your monitor’s refresh rate, your FPS will be cut nearly in half! This setting is a “must” disable unless your system is an absolute powerhouse, and is the most critical option for improving performance in Left 4 Dead.

  • Multicore Rendering:
    • What is it?
      This setting allows users with multicore computer processors (dualcore, quadcore etc) to force Left 4 Dead to use any/all processors available in the system to increase performance and FPS.
    • What should I set it to?
      • Well if you have a multi processor system, “On” of course. In retrospect, if you don’t, definitely leave this option off.

  • Shader Detail:
    • What is it?
      This option is specific to your graphic card’s performance. Shaders control various texture details of Left 4 Dead such as specular surfaces (glossy wet look) or advanced per pixel lighting information that may be stored.
    • What should I set it to?
      • High “Shader Detail” can be a huge performance hit if your system is unable to handle it. If you’re looking to optimize Left 4 Dead for maximum performance, set this option to “Low”.

 

  • Effect Detail:
    • What is it?
      Effect detail controls the amount of detail to be displayed during advanced physic effects such as explosions.
    • What should I set it to?
      • This option is a major performance hog. Unless you have a powerful CPU, if you’re lagging during combat, this setting may be to blame. Set it to “Low” first and work up from there.

 

  • Model/Texture Detail:
    • What is it?
      This setting does exactly what it says. It controls the amount of texture detail on game models, like “Zoey” or “Bill”.
    • What should I set it to?
      • Left 4 Dead was well coded, and even on “Low”, models still look pretty nice. Unless you can handle it, “Low” for now.

 

  • Page Pool Memory Available:
    • What is it?
      This option allocates a certain level of RAM or Page memory (Swap File) to be used during Left 4 Dead to store game information.
    • What should I set it to?
      • If you can, “High”. The more memory you have available, the better. Make sure to disable any unnecessary programs that may be running in the background before starting Left 4 Dead. If you’re experiencing lockups due to memory problems.