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Left 4 Dead 2 Crashing, FPS Drop, Shuttering Issue – Fix It

Left 4 Dead 2 Crashing

Do you want to fix the Left 4 Dead 2 Crashing, Shuttering, & FPS drop issue? Valve Corporation launched a multiplayer video game named Left 4 Dead 2. As it is a sequel to the Left 4 Dead. Initially, the game was launched back in 2009 only for Xbox 360 platforms or MS Windows. Later it became available for Mac OS, Linux platforms. However, some Windows users claiming that after receiving the new patch updates, lots of errors or bugs occurring in the Left 4 Dead 2 game. Here we’ve shared the possible methods to resolve Left 4 Dead 2 Game Shuttering, Crashing, FPS drop problem, etc.

Well, it is not new for Windows users as some games and especially multiplayer games are displaying various bugs and issues that most PC players can’t expect. However, all of these common issues can be resolved easily by following some of the possible methods below by yourself. Just make sure of a couple of simplest and most common things before moving to the troubleshooting guide.

Initially, keep in mind that graphics drivers and Windows OS are updated to their new version. Also, you can check for the installed game files and disable the anti-virus program as well. Additionally, try to check whether the system configuration supports the Left 4 Dead 2 game requirements or not.

Also See: Internet Privacy Issues: Tracking, Hacking, Trading

Left 4 Dead 2 Keep Crashing – Why?

It looks that there may be a few reasons behind the game crashing that you should know first. Such as:

  • Outdated Windows OS or graphics drivers
  •  An antivirus program or Windows Firewall is blocking the game to run.
  • An outdated game variant or the client variant.
  • Outdated DirectX version.
  • Damaged, missing, or corrupted game files.
  • Any overlay app is executing in the background.
System Requirements:
  • OS: Windows 7 32/64-bit / Vista 32/64 / XP
  • Processor: Pentium 4 3.0GHz
  • Memory: 2 GB RAM
  • Graphics: Video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
  • DirectX: Version 9.0c
  • Storage: 13 GB available space
  • Sound Card: DirectX 9.0c compatible sound card
Recommended System Requirements:
  • OS: Windows 7 32/64-bit / Vista 32/64 / XP
  • Processor: Intel core 2 duo 2.4GHz
  • Memory: 2 GB RAM
  • Graphics: Video Card Shader model 3.0. NVidia 7600, ATI X1600, or better
  • DirectX: Version 9.0c
  • Storage: 13 GB available space
  • Sound Card: DirectX 9.0c compatible sound card

Also See: How to Access the Local Settings Folder in Windows 7

How To Resolve Left 4 Dead 2 Game Shuttering, Crashing, FPS Drop Problem

How To Fix It

Now, without wasting your time, let’s move into the below steps. Remember that both AMD graphics drivers and Nvidia are well optimized for the Left 4 Dead 2 game. So, if in case, you haven’t updated your graphics driver yet, then try to do this first.

Update Graphics Drivers

After using the Nvidia graphics card then try to update the GeForce Experience app on your system from the Nvidia official site. But while using an AMD graphics card on your PC, then update the new AMD Drivers

Turn off Steam Overlay

  • Head over to the Steam on your Windows.
  • The jump over to the Settings > Tap on the In-Game option.
  • Tap on the checkbox to turn off “Enable the Steam Overlay while in-game“.
  • When the checkbox mark is erased, tap on OK.

If you still face Left 4 Dead 2 Crashing, Shuttering, & FPS drop issues then dive down to the next solution!

Set Discord Settings

  • Initially, launch Discord > Tap on User Settings.
  • Choose Voice & Video from the left sidebar.
  • Dive down a bit and then tap on the Advanced.
  • Then, turn off OpenH264 Video Codec provided by Cisco System, Inc.
  • Also, turn off Enable Quality of Service High Packet Priority.
  • Now, head over to Overlay.
  • You can also disable the in-game overlay.
  • Then, navigate to Appearance.
  • Move to Advanced.
  • Turn off Hardware Acceleration.
  • Once done, restart your PC.

Set up Nvidia Control Panel Settings

  • Tap on Adjust image settings with preview at the bottom of 3D settings.
  • Choose the ‘Use the advanced 3D image settings’ tab.
  • Then, launch the Nvidia Control Panel.
  • Tap on Manage 3D settings > Move to Global Settings.
  • You can also set some of the other options:
    • Turn off Image Sharpening
    • Turn on Threaded Optimization
    • Use or set up Maximum Performance for Power Management
    • Disable Low Latency Mode
    • You can now set Texture Filtering Quality to Performance mode
If you still face Left 4 Dead 2 Crashing, Shuttering, & FPS drop issues then dive down to the next solution!

Configure AMD Control Panel Settings

  • Head over to Global Graphics.
    • Disable Radeon Anti-Lag
    • Then turn off Radeon Boost
    • Use or set up Application settings for Anti-Aliasing Mode
    • Now set Anti-aliasing Method to Multi-sampling
    • Disable Morphological Filtering
    • Turn off Image Sharpening
    • Disable Anisotropic Filtering
    • Use or set up the Performance mode for Texture Filtering Quality
    • You can also turn on the Surface Format Optimization
    • AMD Optimization for the Tesselation Mode
    • Wait for V-sync – Disable it
    • Now use AMD optimization for the Shader Cache
    • Turn off OpenGL Triple Buffering
    • Disable Maximum Tesselation Level
    • Set Graphics for the GPU Workload
    • Disable the Radeon Chill
    • Turn off Frame Rate Target Control

Verify Game Files Through Steam Client

The Left 4 Dead 2 gamers on Steam can follow the below instructions:

  • Head over the Steam Library by logging into the account.
  • You can then find the Left 4 Dead 2 game here.
  • Right-tap on the game and then tap on Properties
  • Choose the Local Files tab
  • Then tap on Verify Integrity of Game Files
  • Wait for the process and then restart your game to check whether the problem has been resolved or not.

Uninstall Recent Windows 10 Update

A couple of days ago, Microsoft has launched a new update for Windows 10 with KB4535996. So, the Windows 10 update is quite buggy and causing lots of errors or issues.

  • Head over to Start menu > Tap on Settings
  • Then, head over to Update and Security
  • Tap on View update history
  • Now, if you can view that there is an update having KB4535996 has been already installed. Then try to uninstall it.
  • Here you will also view Uninstall updates option located on the top of the page.
  • Tap on it and choose the mentioned cumulative update version.
  • Right-Tap on it > Choose Uninstall.
  • It takes some time to remove that update and your PC may restart automatically.
  • Wait a while and you can also reboot your Windows PC manually (if required).
If you still face Left 4 Dead 2 Crashing, Shuttering, & FPS drop issues then dive down to the next solution!

Erase Temporary Files

  • Hit Windows key + R on your keyboard to simply open the RUN program.
  • Now, input %temp% and hit enter
  • You will get tons of temporary files on a page.
  • Choose all files after hitting Ctrl + A on the keyboard. Then, hit Shift + Delete on the keyboard to erase all the files.
  • Sometimes some of the temporary files can’t be removed. So, leave them as it is and quit it.

Adjust Default CPU & Graphics Speed

Some users always try to use ultra-high performance from the GPU and CPU from the very first day. So, some users either purchase an overclocked variant or manually increased the overclocking speed. So, if you’ve overclocked your GPU speed and after doing that you’re encountering lagging, bottleneck, or crashing related problems, just set it to default mode.

Also, you can use the Zotac firestorm app or MSI Afterburner tool to lower the clocking speed. Once done, you can execute the Left 4 Dead 2 game and check if the issue is resolved or not.


Here’s all about ‘Left 4 Dead 2 Crashing, FPS Drop, Shuttering issue’. We have shared different solutions, any one of which can resolve your error. Is this article helpful? Do you know any other alternative method to fix it? Share your thoughts with us in the comment down the section below.

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