In this guide, you will find out how to fix the Dolphin GPU: OGL Error Does your video card support OpenGL 2.0
First, you have to open the Emulator and click on the graphics tab from the top of your screen. After that, set your backend to DirectX 3D 11, and make sure that you have installed Direct X11. After this, launch the game and see if it fixes your error.
If you are still facing the problem, then you have to right-click on this PC and go to properties. Go to the device manager on the left side and expand the Display adapter as it will show you your graphics card. After that, right-click on it and then click on Update Drivers.
A new window will pop up, you have to click on Browse my computer from drivers, and then click on let me pick up the driver from the list of available drivers. select your GPU device and then click on next as it will start updating your GPU drivers.
After this, open the Emulator and then click on the Graphics tab from the top of your screen. Set your backend to OpenGL, and then restart the emulator. Now launch the game and check if it fixes your problem.