DirectX is an application suite offered by Microsoft designed to handle multimedia activities and required by many PC games. DirectX enhances visualisation and graphics functions of other software. However sometimes error related to it can pop up. League of Legends is a famous multiplayer online combat arena video game. It is a stable game but sometimes players may receive an unknown DirectX or Unspecified error has occurred in League of Legends and game cannot start error message. If you are also dealing with the same problem, you are at the right place. We bring to you a perfect guide that will help you fix League of Legends DirectX error.
How to Fix League of Legends Directx Error in Windows 10
Some players are unable to start League of Legends due to DirectX error warning which says;
An unknown DirectX error has occurred and League of Legends cannot start. Please make sure your video card is using the latest video drivers from the manufacturer
Here are some possible reasons behind this error message.
- Corrupt NET Framework.
- Outdated Graphics Card drivers
- League of Legends client issues
Before going to the methods to fix League of Legends DirectX error, we recommend that you restart your PC. It will refresh Operating System and address other minor software issues. If you still get an unknown DirectX error has occurred and League of Legends cannot start error message, follow the methods below.
Txoj Kev 1: Hloov Kho Cov Duab Tsheb
The performance of DirectX is linked to your graphics card and outdated graphics drivers may cause it to malfunction. It may cause DirectX error. To resolve this, update your graphics drivers by following our guide to Update Graphic Drivers in Windows 10.
Method 2: Rollback Graphics Drivers
If League of Legends DirectX or error 004 started appearing after updating graphics drivers, you can revert to an earlier version of the driver with rollback driver option. You can do that by following our guide to Rollback Drivers in Windows 10.
Txoj Kev 3: Hloov Windows
Windows 10 frequently replaces and updates drivers alongside other Windows updates so it is vital to keep Windows Updated. In general, Windows Updates runs automatically but you can check for new updates by following the steps below.
1. Nias lub Windows + I keys ib txhij mus tso tawm chaw.
2. Nyem ntawm qhov Hloov Kho & Ruaj Ntseg pobzeb, raws li qhia.
3. Hauv Qhov Hloov Piav Qhia qhov rais tab, nias rau Kos rau cov tshiab khawm.
4 A. Yog tias muaj qhov hloov tshiab tshiab, ces nyem Nrawm Tam sim no thiab ua raws li cov lus qhia kom hloov tshiab.
4B. Txwv tsis pub, yog tias Windows hloov tshiab, ces nws yuav tshwm sim Koj mus txog hnub kawg lus.
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Method 4: Initiate Full Repair
League of Legends automated repair tool can resolve many issues within the game and may resolve League of Legends DirectX error. It can be accessed from client settings. Follow the steps below to use this repair tool.
1. Qhib Pab Koomtes ntawm Legends launcher.
2. Nias rau cogwheel icon present at the top right corner.
3. Mus rau General tab.
4. Hauv qab Troubleshooting nias rau Initiate Full Repair xaiv
5. Nias rau YOG in FULL REPAIR kom sai.
6. Wait for League of Legends to check for corruption.
After repair is completed, check if you have resolved the issue.
Method 5: Delete Game.cfg File (If Available)
Players have reported solving League of Legends DirectX error problem by removing game.cfg file from game folder. You can try this method by following these steps.
1. Qhib Cov ntaub ntawv Explorer los ntawm nias Qhov rai + E lag luam ib txhij.
2. Go to the following location Txoj kev.
C:/Riot Games/League of Legends/Config
3. Nias rau Config folder and locate and right click on game.cfg file. Select Rho tawm rho tawm cov ntaub ntawv.
Nco ntsoov: You can directly locate Config folder by right clicking on game shortcut icon on desktop and selecting Qhib cov ntaub ntawv chaw. Repeat Step 3 after that.
Method 6: Remove Registry Entries & Reinstall DirectX
Registry Editor can be altered to resolve many issues. Players have fixed League of Legends DirectX error by removing a specific key from the registry and reinstalling DirectX. You can do that by following the steps below.
Nco ntsoov: Modifying Registry Editor may cause issues. Create Registry backup before using this method.
1. Nias lub Windows + R cov yuam sij ib txhij qhib khiav dialog box.
2. Hom Regedit thiab nias rau OK qhib Registry Editor.
3. Navigate to the following Txoj kev in Registry Editor.
HKEY_LOCAL_MACHINESoftwareMicrosoftDirectX
4. Txoj cai-nias rau ntawm DirectX tseem ceeb thiab xaiv Rho tawm los ntawm cov ntawv qhia zaub mov.
5. Confirm any prompts and rov pib lub PC.
If you are unable to delete the DirectX key, change its permission and make yourself its owner. Follow these steps to do so.
6. Txoj cai-nias rau ntawm DirectX yuam sij thiab xaiv qhov Tso cai… option. Permission for DirectX window will open.
7. Hauv qab Pab pawg lossis cov npe neeg siv, xaiv Cov Thawj Coj thiab nyem rau ntawm Advanced khawm.
8. Hauv Cov Phiaj Xwm Txheej Ntsuas window click on the hloov kev xaiv tom ntej no tswvCov. Nws yuav qhib lub Select User or group popup.
9. Hauv qab Enter the object name xaiv, type your username.
10. Nias rau Kos Npe and wait for the system to verify your username. After that click OK.
11, After that you will see your username next to owner. Check the box marked Replace owners on subcontainers and objects.
12. Nias rau thov thiab OK.
13. In the Permissions for DirectX window, select Cov neeg siv nyob rau hauv Pab pawg lossis cov npe neeg siv and check the box below cia tom ntej Tag Nrho Control raws li qhia.
14. Nyem thov thiab OK.
Now you will able to delete DirectX key as shown in Step 4. After this, you can reinstall DirectX on your PC by following the steps below.
Nco ntsoov: Yog tias koj siv Lub Qhov rai 10, simply restart PC and DirectX will get installed automatically.
1. Mus rau DirectX End-User Runtime Web Installer download page.
2. Select your preferred language and click on the download button on the webpage.
3. Follow on instructions and install DirectX.
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Method 7: Repair NET Framework
Microsoft NET Framework is necessary for the functioning of DirectX, any error or corrupt components in it can cause an unknown DirectX error has occurred and League of Legends cannot start error message. You can repair Net Framework by reinstalling it. Follow the steps below to do so.
1. Nias lub lub qhov rais tseem ceeb thiab hom Control Vaj Huam Sib Luag thiab nias rau Qhib.
2. Teeb Saib los ntawm > Qeb, ces xaiv Uninstall ib qho program hauv qab no Programs seem.
3. Locate and right-click on .Cov moj khaum Net.
4. Xaiv uninstall and confirm any prompts that appear.
5. Wait for the uninstallation process to complete and reboot lub PC.
6. Go to the official download page and download .Net Framework 4.8. by clicking on Download .Net Framework 4.8 Runtime.
7. A file named ndp48-web.exe will be downloaded. Run ndp48-web.exe by double-clicking on it.
8. Follow on-screen instructions and install .Net Framework 4.8.
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Method 8: Reinstall League of Legends
It is possible that your League of Legends game is corrupted or outdated. Reinstalling the game might fix resolve League of Legends error along with other game-related issues. As your game progress is monitored through your Riot account, you will not lose any of your progress. Follow these steps below to uninstall League of Legends.
1. Ntaus lub Windows qhov tseem ceeb, hom apps thiab nta, thiab nias rau Qhib.
2. Nrhiav rau Pab Koomtes ntawm Legends in Nrhiav daim ntawv no teb.
3. Tom qab ntawd, xaiv Pab Koomtes ntawm Legends thiab nyem rau ntawm uninstall button shown highlighted.
4. Ib zaug ntxiv, nyem rau ntawm uninstall kom paub meej.
5. Tom qab uninstalling qhov kev ua si, restart lub PC.
6. Ces, mus rau lub Pab Koomtes ntawm Legends official lub website download page thiab nyem rau ntawm Ua Si Dawb kev xaiv.
7. Sign up for your account and click on Download tau lub qhov rais kev xaiv.
8. Open the downloaded teeb ntaub ntawv.
9. Nyem ntawm qhov Nruab kev xaiv.
10. Wait for the game to be installed.
After installation is finished, play the game and the issue must be resolved.
Cov Lus Nquag Nug (FAQ)
Q1. For League of Legends, what DirectX do I need?
Teb: League of Legends uses DirectX 9 even though it is outdated. Although Riot are shifting and developing patches that can utilize DirectX11.
Q2. What is causing the DirectX error?
Teb: Outdated DirectX and corrupt Graphics drivers are the main culprits for this error.
Q3. Does League of Legends require greater CPU or GPU power?
Teb: Pab Koomtes ntawm Legends relies more on CPU than GPU as its required input lag is quite low when compared to games that require a frame rate of 60FPS.
pom zoo:
We hope you found this information useful and that you were able to resolve how to fix League of Legends Directx error in Windows 10. Please let us know which technique was the most beneficial for you. Please use the form below if you have any queries or comments.