Sometimes the system simply "forgets" the graphics card is there. Right-click the button and select Device Manager . Expand Display adapters .
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Your graphics card software is old and doesn't "know" how to use the required features. Valorant dx11 feature level 10.0 is required to...
Press Win + R , type dxdiag , and hit Enter. Under the Display tab, look for Feature Levels . If you don't see "11_0" or higher, your graphics card may be too old to run the game. Sometimes the system simply "forgets" the graphics card