How to fix Dota 2 Error DX11 Not Working

Dota 2 is an incredibly popular multiplayer online battle arena video game as a free-to-play strategic title by Valve and it is considered to be the sequel to Defense of the Ancients. However, many players have been getting the DX11 Not Working error. In some cases, the players aren’t able to change to DirectX 11 easily as in specific cases automatically get changed to Dx9, even if the player has asked to change to Dx11. If you’re one of the players facing this issue, this guide will be of great help to you. In this guide, you’ll get to know how to fix Dota 2 Error DX11 Not Working issue.

How to fix Dota 2 Error DX11 Not Working

fix Dota 2 Error DX11 Not Working

Method 1: Force Run DX11 for Dota 2

  • Right-click the game in the Steam library
  • Click on Properties before selecting “Set Launch Options”
  • Type the following command –
  • Now, click on OK and then close it

Method 2: Run the DirectX diagnostic tool

  • Press the Win + R keys for opening the Run dialog box
  • Type “dxdiag” and then hit Enter for opening DirectX Diagnostic Tool
  • You can then check the DirectX Version from the System tab under the DirectX Diagnostic Tool window
  • Next up, you should go to the Display tab
  • Then, check DirectX 3D Feature Levels and other DirectX Features

Method 3: Verify and repair the files

  • Launch the Steam client and then click on Library
  • Right-click on Dota 2 from the list of all the installed games
  • Click on Properties and then go to Local Files
  • Click on Verify Integrity of Game Files and you’ll need to wait until the process is complete
  • Once it is done, restart your PC

Method 4: Run the game as the administrator

  • Open the Steam client on your PC and then click on Library
  • Right-click on Dota 2 and then click on Manage
  • Select Browse Local Files before right-clicking on the Dota 2 file
  • Choose Properties before clicking on the Compatibility tab
  • Make sure that you click on the Run this program as an administrator to checkmark it
  • Click on Apply before selecting OK to save changes

Method 5: Update the game

  • Open the Steam client and head over to Library
  • Click on Dota 2 from the left pane and it’ll search for the available update
  • In case there’s an update available, you should click on Update
  • Wait till the update is installed and once done, you should close the Steam client
  • Reboot your PC to apply the changes and launch it again

Some potential solutions to the Dota 2 Error DX11 Not Working problem have been outlined above. If you have any feedback on this guide, please leave it in the section below.

Featured Image Credit: Steam

Aviral Sharma
Aviral Sharma
Aviral Sharma is a talented and passionate writer who has been using words to express his thoughts ever since he learnt how to hold a pen. He is passionate about outer space, history, sports and most importantly technology. Aviral is a regular writer for and has been getting better by the day. He currently own Samsung Galaxy S24 Ultra, iPhone 13 and a HP Pavilion laptop

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