Corrupt or missing files in the game can cause crash and make the game unplayable, esp. DLL files. The F1 2020 D3DCompiler_43.dll is missing occurs because the particular DLL file is missing. There are a number of fixes you can try. Users mostly resort to downloading the DLLL from third-party website, but that’s not advised and can harm your system security. Instead, you should try and fix the cause that results in the error. When you encounter the missing DLL error, first run a game repair via Steam. Read the guide for other fixes you can apply. If everything else fails, you can try manually installing the D3DCompiler_43.dll.
The solutions discussed in the post apply to all types of missing DLL in F1 2020, so regardless of the specific DLL you can apply the fixes.
Fix 1: Verify Integrity of Game Files
Steam provides an easy way to verify corrupt or missing game files and repair them in a quick process. Here are the steps.
- Launch Steam and click on Library
- Right-click on F1 2020 and select Properties
- GO to the Local Files tab and select Verify Integrity of Game Files
- Wait for the process to complete and check if the missing DLL error is resolved.
Fix 2: Update the GPU
If the missing DLL error still persists you should update the graphics card driver to the latest patch. It can be effective against the missing DLL problem with F1 2020. Perform a clean install. Nvidia users can choose the option when they manually install the driver. AMD users will have to uninstall the current driver and install the new copy.
Fix 3: Try Playing the Game on DirectX 11
Sometimes launching the game on DirectX can fix the problem. You may have to sacrifice some features that comes with DirectX 12, but that’s minimal and should not affect much of the gameplay. Here are the steps.
- Lunch Steam > Library > F1 2020
- Right-click on F1 2020 and select Properties
- Click on Set launch Options and type -force-d3d11
- Click Ok to save changes.
Launch the game and check if the error is resolved.
Fix 3: Reinstall Visual C++ Redistributable for Visual Studio
Reinstalling the Visual C++ Redistributable for Visual Studio. Here are the steps to do so.
- Uninstall all the current Microsoft Visual C++ Redistributable. There will be a bunch of them on your system. (Control Panel > Uninstall a program > Right-click on all the programs one at a time and uninstall)
- Download both vc_redist.x64.exe and vc_redist.x86.exe from the Official Website
- After the download is complete, install both the software following the on-screen prompts.
If all else fails to resolve the F1 2020 D3DCompiler_43.dll is missing error, you can try to manually install the DLL after downloading it from a reliable website.