The “UBYTE4N Vertex Data” error in Call of Duty 4: Modern Warfare typically occurs when the video card or driver does not support certain features required by the game.
The error when appears it prevents players from playing the game by causing the screen to freeze or crash and is commonly caused due to outdated or corrupt graphics drivers, incorrect game settings, or hardware issues.
If you are also encountering a video card or driver that doesn’t support UBYTE4N vertex data error then in this blog, we have shortlisted the potential solutions on how to fix the UBYTE4N vertex data.
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How to Fix Video Card or Driver Doesn’t Support UBYTE4N Vertex Data in COD 4 Modern Warfare?
Table of Contents
Solution 1: Try Running the Game in Compatibility Mode
Launching the Call of Duty game in compatibility mode can help to fix the UBYTE4N vertex data error by running the game in a reduced resolution and with reduced graphic settings.
This helps to reduce the strain on the video card, allowing it to run the game without crashing due to a lack of support for the UBYTE4N vertex data. Additionally, running the game in compatibility mode can also help to fix any video card driver issues that might be causing the error.
Follow the below steps to run the game in compatibility mode.
- Open the Steam application on your PC and click on the LIBRARY
- Then, right-click on the Call of Duty game and click on the Manage option.
- Next, press the Browse Local files option.
- Now, navigate to the Battle.exe application and right-click on it.
- Next, select the Properties option and switch to the Compatibility tab in the Properties window.
- Then, select the box Run this program in compatibility mode.
- Finally, click on Apply followed by OK to save the changes.
Solution 2: Make Sure Your System Meets the Minimum Requirements for the Game
If your computer does not meet the minimum requirements for the game, it may not have enough memory, processing power, or graphics capability to properly render the 3D graphics in the game. This can lead to errors like the UBYTE4N vertex data error.
So, checking the game requirements and ensuring that your computer meets them, works for you.
Minimum System Requirements
- CPU: Pentium 4 2.4 GHz/ Athlon 64 2800+ (Intel & Athlon 1.8 GHz Dual Core or better supported)
- CPU SPEED: Pentium 4 2.4 GHz/ Athlon 64 2800+ (Intel & Athlon 1.8 GHz Dual Core or better supported)
- RAM: 512 MB (768 MB for Windows Vista)
- VIDEO CARD: 128MB 3d Hardware Accelerated card required 100% DirectX 9.0c compatible and latest drivers (NVIDIA GeForce 6600+ / ATI Radeon 9800 Pro+)
- DEDICATED VIDEO RAM: 128 MB
- PIXEL SHADER:0
- VERTEX SHADER:0
- 3D: Yes
- HARDWARE T&L: Yes
- DIRECTX VERSION:0c
- OS: Windows XP/Vista
- FREE DISK SPACE: 8 GB of uncompressed free hard disk space (plus 600 MB for Windows swap file)
- SOUND CARD: Yes
- DVD-ROM: 6X DVD-ROM
Recommended System Requirements
- CPU:4 GHz dual-core or better
- CPU SPEED:4 GHz dual-core or better
- RAM: 1 GB (2 GB for Windows Vista
- VIDEO CARD:0 Shader Support recommended. Nvidia Geforce 7800 or better or ATI Radeon X1800 or better
- DEDICATED VIDEO RAM: 256 MB
- PIXEL SHADER:0
- VERTEX SHADER:0
- 3D: Yes
- HARDWARE T&L: Yes
- DIRECTX VERSION:0c
- OS: Windows XP/Vista
- FREE DISK SPACE: 8 GB of uncompressed free hard disk space (plus 600 MB for Windows swap file)
- SOUND CARD: Yes
- DVD-ROM: 6X DVD-ROM
Solution 3: Update Your Video Card Drivers to the Latest Version
The outdated or incompatible drivers can cause issues with the rendering of graphics in the game. By updating your video card drivers, you can ensure that your computer is using the latest software to communicate with your graphics card and properly render the graphics in the game.
Follow these instructions to update the video card drivers of your device.
- Click on the Windows + X keys together to launch the Device Manager.
- Now, click on the Display Adapters category.
- Double-click on it to expand the driver, right-click on it and click on the Update driver option.
- Now, click on Search automatically for the updated driver software option.
- Wait until your PC installs the driver update and restart your device.
In case you don’t want to update drivers manually then you can try Driver Updater. This tool will update the outdated driver as well as fix other driver-related issues automatically with ease.
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Solution 4: Make Sure You Are Running the Correct Version of DirectX
If you are not running the correct version of DirectX, the Call of Duty 4 game may encounter compatibility issues or may not be able to access the necessary features of your graphics card to render the graphics correctly.
So, ensure you have the correct version of DirectX installed on your computer, and fix Call of duty 4 Modern Warfare UBYTE4N vertex data error and improve the performance and stability of the game.
- Press Windows + R key to open the Run dialog box and type dxdiag, click on OK.
- If your PC already has DirectX 12 updated to its latest version, the following window will be displayed on the screen.
- If your PC does not have DirectX 12, you can manually download and install it from the official website by proceeding with the on-screen instructions.
Relaunch the Call of Duty game and now it will not show any errors.
Solution 5: Install the Latest Version of Your Video Card’s Software Packages
The latest version includes the most up-to-date drivers, which can help improve the performance of your video card and fix any bugs that may be causing the error.
Additionally, the latest version of the software package can also include improvements and optimizations that can help improve the overall performance and stability of your video card.
Follow these instructions to install the latest version of your video card’s software packages.
- Visit the website of your video card’s manufacturer.
- Search for the latest version of your video card’s software packages.
- Download the software package.
- Unzip the file and run the installation program.
- Follow the instructions provided by the installation program.
- Restart your computer.
- Relaunch the game and check if the error is resolved now.
Solution 6: Switch to a Different Video Card that Supports ubyte4n Vertex Data
Switching to a different video card that supports ubyte4n vertex data allows the game to run properly on a system that is equipped with a more modern video card. This will reduce the risk of the game crashing or experiencing other issues due to the lack of compatibility between the game and the older video card.
- Ensure your current graphics card is compatible with ubyte4n vertex data. You can check your graphics card’s specifications online or in the user manual to see if it supports ubyte4n vertex data.
- Determine which type of graphics card you need to purchase. Many modern graphics cards support ubyte4n vertex data, so make sure to research the different options available.
- Purchase the new graphics card and install it on your computer according to the manufacturer’s instructions.
- Install the latest drivers and software for your new graphics card.
- Reboot your computer and verify that your new graphics card is working properly.
Solution 7: Modify Your In-Game Settings to Reduce the Graphical Demands
Modifying your in-game settings to reduce the graphical demands may work for you to fix the error as it reduces the amount of data that needs to be processed by the computer, which can help to reduce the chances of crashing.
Make sure the below graphics settings are tweaked on your game to fix the Call of Duty 4 Modern warfare UBYTE4N vertex data error.
- Launch the game and navigate to the Options
- Click on the Graphics
- Here, you should see options for adjusting various graphics settings such as resolution, texture quality, shadow quality, and more.
- Look for an option labelled Advanced Graphics or Advanced Settings and click on it.
- In the advanced graphics settings, you should see options for adjusting your graphics card settings, including options for anti-aliasing, ambient occlusion, and more.
In the fields mentioned above, make sure you modify the in-game graphics settings as listed below.
- Field of View:
- Camera Movement: Least – 50%.
- Streaming Quality: Low
- Texture Resolution: Low
- Texture Filter Anisotropic: Normal
- Particle Quality: High
- Bullet Impacts & Sprays: Disabled
- Tessellation: Disabled
- Dismemberment & Gore Effects: Disabled
- On-demand Texture Streaming: Disabled
- Filmic Strength:0
- Film Grain:0
- Anti-Aliasing: Off
- Depth of Field: Disabled
- World Motion Blur: Disabled
- Weapon Motion Blur: Disabled
- Shadow Map Resolution: Low
- Cache Spot Shadows: Enabled
- Cache Sun Shadows: Enabled
- Particle Lighting: Normal
- DirectX Raytracing: Disabled
- Ambient Occlusion: Disabled
- Screen Space Reflection (SSR): Disabled
Once you have finished tweaking the graphics settings, click Apply Settings at the bottom of the screen to save the changes.
Solution 8: Run a Repair Utility for the Call of Duty Game or Video Card Driver
The Video card or driver doesn’t support UBYTE4N vertex data error can be caused by corrupted game files, so running a repair utility can help to identify and fix any corrupted files that may be causing the error.
Additionally, the repair utility can check for any updates to the game that may be required, as well as any other issues with the game’s files that could be causing the error.
Follow these instructions to run a repair the game utility on your system.
- Go to Desktop on your system by pressing the Windows + D keys.
- Now, right-click on the Battle.net app shortcut and press the Run as administrator option.
- Now, find the Call of Duty: MW game on the left pane.
- Next, click on the Options menu next to the game and now, press the Scan and Repair option.
- Finally, click on Begin Scan to start the scanning and repairing process.
- Once the scanning process is complete, relaunch the game and check if you do not face the error now.
Solution 9: Reinstall the Game
Reinstalling the game helps to reset the display settings and any corrupted files that might be causing the error. It can also update any outdated components that need to be addressed in order to run the game properly. By reinstalling the game it can replace any missing files and help fix any errors related to the UBYTE4N vertex data error.
Follow these instructions to reinstall the game.
- Open the Battle.net webpage and click on the Call of Duty icon.
- Select Uninstall and follow the upcoming instructions to finish the process and restart your PC.
- Then, download the game by visiting the official Battle Net website.
- Follow the on-screen instructions to finish the installation.
Solution 10: Contact the Game or Video Card Manufacturer for Assistance
Reaching out to the manufacturer for assistance can also provide access to any available software updates, patches, or driver updates that can help resolve the error.
These updates are often specifically designed to address known issues and can be an effective way to ensure that the game and video card are optimized for the best performance.
They may have encountered similar issues before and can offer specialized guidance that can help resolve the error.
Best Way to Optimize Your Game Performance on Windows PC
Many players encounter issues like game crashing, lagging, or stuttering when playing the game, then optimize your gaming performance by running Game Booster.
This boosts the game by optimizing the system resources and offers better gameplay. Not only this, but it also fixes common game problems like lagging and low FPS issues.
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Final Words
So, these are the fixes that work for you to fix Call of Duty 4 Modern Warfare UBYTE4N vertex data error.
In this blog, I have attempted to list potential solutions that worked for many PC users and it is estimated that one of our solutions works for you.
Despite this, feel free to scan your system with the PC Repair Tool, as sometimes, due to the PC related to the problem, the game won’t run in a dedicated manner and will show various errors. Therefore, it is suggested to scan your system with this advanced tool and repair corrupted Windows system files, other errors, etc.
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Good luck…!
Hardeep has always been a Windows lover ever since she got her hands on her first Windows XP PC. She has always been enthusiastic about technological stuff, especially Artificial Intelligence (AI) computing. Before joining PC Error Fix, she worked as a freelancer and worked on numerous technical projects.