When Unreal is unable to connect with the D3D device on your computer, the error message ‘Unreal Engine is exiting due to D3D device being lost’ appears. This mistake is fairly common, and it can occur even if the user’s machine appears to be in good working order.
As per Unreal Engine creators, this problem typically arises when the computer’s graphics or hardware elements are not correctly synced with Unreal Engine, causing it to fail to function with D3D devices.
In this article, we’ll go through all of the possible causes for this problem, as well as strategies for resolving it. It is also seen that lowlevelfatalerror exists due to the d3d device being lost.
When trying to launch a game, you may receive the “Unreal Engine is Exiting due to D3D Device being Lost” issue for a variety of reasons.
What causes the Error ‘Unreal Engine is exiting due to D3D device being lost’?
There are a variety of reasons why you can see this error message, including but not limited to:
- Unreal Engine that isn’t up to date: The most likely cause is that the Unreal Engine isn’t up to date and can’t connect with other system components that have just been updated. It’s also possible that it’s the other way around.
- Antivirus software: Several antivirus programs block the Unreal Engine, resulting in a false positive. This is a typical problem that may be remedied by either setting a whitelist or removing the feature.
- Device Drivers That Are Either Corrupt or Outdated: Another possible explanation for this problem is that your device drivers are either malicious or outdated. Reinstalling or upgrading the driver’s works in both circumstances.
- Missing Steam Files: Steam is frequently used in conjunction with Unreal Engine. You will receive the error message discussed if the game/installation files are faulty or inadequate.
- NVIDIA GeForce Settings: These components have also been known to cause problems in the game. The problem is generally solved by deactivating the module or disabling particular parameters.
- Overclocking: While overclocking may give your PC the boost it requires, it has been known to produce problems or conflicts with resource-intensive apps. It’s possible that disabling overclocking will solve your problem.
- Default Graphics card: When a specialized graphics card with a higher power is functioning, the default graphics card normally disables itself. However, it may be operating at the same time as the specialized graphics card, causing conflicts and extra problems.
Make sure you’re logged in as an administrator before you begin working on the solutions. You also need to have an open and active internet connection.
Solutions For ‘Unreal Engine Is Exiting Due To D3D Device Being Lost’ Error
- Update Unreal Engine and Windows
- Update Graphics Driver
- Change Default Graphics Card
- Verify files in Steam
- Disable NVIDIA Geforce/ AMD Radeon Experience Battery boost
- Disabling Antivirus/Firewall Software
- Turn off Overclocking and SLI Technology
- Reduce PC’s energy consumption
- Disable In-Game Full-Screen Mode
- Check Hardware
- Lessen GPU Temperature
- Reconfigure FPS Limit
Try these methods:
You are not required to attempt all of them. Simply work your way down on the list until you discover one that suits your needs.
Method 1: Update Unreal Engine and Windows
Unreal Engine’s developers will continue to release new versions. The revised version will correct any errors that may have caused this problem. As a result, you should try installing the most recent version to see if it resolves the issue. I’m hoping it does. If not, there are still a few options to consider. Follow these steps to update Unreal Engine :
- Go to the Library after opening the Epic game’s Launcher.
- On the right pane of the library section, you’ll notice Engine Versions, with the option to +Add Versions below it if an update is available.
- When you double-click the Add Version option, a message asking you to install the new engine will display. Follow the on-screen steps to install the updated version, then choose Update.
Follow these steps to update windows :
- To open the search box, press the Window + S keys together, then type Check for Updates in the search prompt and hit Enter.
- Select the Check for Updates option from the Windows Update pane. This will cause Windows to search the internet for any available updates.
Method 2: Update Graphics driver
Graphics drivers are the essential components that allow your graphics hardware and operating system to communicate. If your graphics drivers aren’t up to par, you’ll have problems with practically any graphics-intensive program, including Unreal Engine. We’ll delete your current graphics drivers and then install fresh ones later in this method.
- DDU (Display driver uninstaller) may be downloaded and installed from the official website.
- Start your PC in safe mode after installing Display Driver Uninstaller (DDU).
- Choose the first option Clean and restart after running the DDU. This will totally remove the current drivers from your system.
- After you’ve completed the uninstallation, restart your computer normally without using safe mode. Enter devmgmt.msc in the dialogue window by pressing Windows + R. Select Search for hardware changes from the context menu of an empty spot. Drivers will be installed by default. Check to see if running Display Capture addresses the problem.
Method 3: Change default graphics card
Some folks will add a specialized graphics card to their PC to improve their gaming experience. However, because the integrated graphics card has restricted performance and the game may not be compatible with the dual graphics card, the error “Unreal Engine is quitting due to D3D device being lost” may occur. In this instance, you may repair the mistake by making your specialized graphics card the default graphics card.
- Use the NVIDIA Control Panel to manage your graphics card. Select Manage 3D Settings from the drop-down menu.
- Select High-performance NVIDIA processor from the drop-down list under the Global Settings tab.
- Apply the changes.
- Restart your computer and then play the game to see whether the issue appears.
Method 4: Verify files in Steam
If you get this issue while playing games on Steam, you can attempt validating files to fix it. d3d device lost unreal engine can also be caused by corrupted game files.
- Start Steam, go to Games, and pick View Games Library from the drop-down menu.
- Right-click the game you can’t play due to the issue and select Properties from the context menu.
- Click VERIFY INTEGRITY OF GAME FILES… under the LOCAL FILES tab.
- Wait for it to finish.
- Restart the game to see if the issue has been shown or not.
Method 5: Disable NVIDIA Geforce/ AMD Radeon Experience Battery boost
There’s a time when you’re playing games on your fully charged laptop. However, the problem happens if your laptop is not charged. You can try this way to fix the problem in this scenario.
However, this approach is only compatible with NVIDIA GPUsNew features, such as Game Booster, have been introduced to the newest Graphics card drivers to ensure that the game runs smoothly and without errors. These settings, on the other hand, might create problems such as the Unreal Engine Exiting error and the D3D device error.
Follow these steps for NVIDIA Geforce:
- NVIDIA Geforce Experience should be run. If you don’t already have it, you can get it from the NVIDIA website.
- Disable BATTERY BOOST by clicking Games.
- Restart the game. Most of the time, they should be alright.
Follow these steps for AMD Radeon:
- Right-click on the Desktop to access AMD Radeon Software options.
- As displayed, select the Gaming Option at the top of the AMD window.
- Select the game that is causing you problems now. In the Gaming window, it will be visible. In this instance, no games have yet been downloaded.
- Select Radeon Boost from the Graphics tab.
- Toggle off the Radeon Boost option to disable it.
Method 6: Disabling Antivirus/Firewall Software
Antivirus software protects you by evaluating all of your computer’s system files and verifying all of the active processes that appear to be consuming resources. However, it frequently flags a verified process as malware, which is referred to as a false positive.
This condition occurs in a variety of games, and it is known to either prevent the game from functioning or deny it sufficient rights to access the resources. Antivirus software and Unreal Engine are in the same boat.
As a result, you should consider turning off your antivirus program. Restart your computer after deactivating your antivirus and try streaming again. If deactivating the antivirus doesn’t work, try deleting it to see if it solves the problem.
Avast and AVG were two anti-virus programs that were producing problems. Nonetheless, you should disable any anti-virus software you have and see if it solves the problem.
To disable third-party antivirus products installed on your PC, follow the same procedures and look for the same choices. If a third-party antivirus is causing problems with numerous apps, it is advised that you delete it.
Method 7: Turn off Overclocking and SLI Technology
Overclocking is a fantastic game-enhancing option that may push your graphics card and CPU to their limits. In order to perform at the highest level possible. However, some games, such as Unreal Engine, are not designed to function in such high-overclocking conditions.
Unreal Engine may exit and D3D device issues may occur as a result of these settings. As a result, disable any overclocking software you may have installed on your computer and try running the game again to see if the problem is resolved.
Also, if you’re utilizing SLI (Scalable Link Interface) for your graphics cards, please let us know. Then you must disable it as well. NVIDIA developed the technique in order to use both default and dedicated graphics cards in the same game.
However, there have been several complaints of the Unreal engine failing to function correctly when SLI was enabled. It should be acceptable to use a dedicated graphics card. Follow these steps:
- Simply right-click on an empty place on the Desktop to launch the NVIDIA Control Panel.
- Double-tap the 3D Settings option on the left panel, then select Configure SLI, Surround, and PhysX.
- When indicated in the image below, check the box next to Disable SLI under SLI settings.
- Apply and then exit.
- To apply these modifications, restart your computer and then launch the game.
Method 8: Reduce PC’s energy consumption
People frequently raise their settings to the maximum option in order to maximize their gaming performance. However, this will result in a machine that is overloaded and consumes too much energy, which may produce the problem.
As a result, lowering excessive power consumption settings may assist you in resolving the problem. It entails lowering all graphics settings to the minimum and underclocking your GPU.
You can try underclocking the GPU if you’re overclocking it. By underclocking their GPU, some users have been able to play a steady game. Also, lowering all visual settings to the lowest possible level might make your game run more smoothly.
Method 9: Disable in-game Full-screen Mode
When Full-screen mode is enabled, several games have problems working. The game just will not run in this mode, no matter what you try. If this is the case, try running the game in Windowed mode.
This is simple to perform using the game’s settings. These options are available in a number of recently released games. Disable full-screen mode in-game and see if it fixes the Unreal Engine Exiting due to D3D device loss problem.
Method 10: Check hardware
Your computer hardware may be the source of various issues. It’s a good idea to examine your computer’s hardware devices. Check your video card and graphics card first for this problem.
If you uncover a hardware problem that you can’t solve on your own, contact the device’s manufacturer for assistance, or just replace it with a new one.
Method 11: Lessen GPU Temperature
In this instance, one possible solution is to reduce your GPU temperature, which will prevent your game from crashing while it is fully loaded. Increase cooling, which will lower your GPU temperature and allow the game to operate smoothly without crashing.
Method 12: Reconfigure FPS Limit
- To begin, launch the NVIDIA GeForce Experience program and select the Preferences tab.
- Click the checkbox next to Set Frame Rate Target When On Battery in the Preferences tab.
- Change the Frames per second setting to 30fps.
- Turn off GeForce Game Booster, Battery Optimizer, Overlay app, and other similar programmes.
- Check to see if this resolves the Unreal Engine is Exiting Due to D3D Device Loss problem.
What is a D3D device error?
The issue “Failed to build D3D device” is caused by the video card’s inability to communicate with DirectX. There are several causes for this. The absence of drivers, halted graphics services, a competing program, or even excessively high graphical settings in a game is all possible causes. There are simple answers to all of these issues.
What is a GPU driver crash?
A faulty or incompatible Nvidia driver on your system is one of the most prevalent causes of Nvidia drivers crashing. So you may remove the driver and let Windows install a new one to see if it solves the problem.
What does DXGI_ERROR_DEVICE_HUNG mean?
On Windows 7, 8, and 10, fix the DXGI ERROR DEVICE HUNG error. According to Microsoft’s official literature, this error indicates that the program’s device failed owing to improperly structured commands given by the application.
Does updating drivers increase FPS?
Yes, upgrading the installed drivers may significantly improve FPS (Frames Per Second). Frame rates have been seen to rise by up to fifty percent in a few cases. Not only that, but upgrading drivers also improve the game’s performance by eliminating bugs.
How can I update the Unreal Engine?
The Unreal Engine cannot be updated. That is just not the case. Instead, you may install new versions alongside the ones you already have and uninstall the ones you don’t need.