If your graphics card fails to initialize in Windows, there are a few steps you can take to try and troubleshoot the problem.
1. Check Device Manager – Open Device Manager and look for any error symbols next to your graphics card. If you see one, try updating the driver.
2. Check BIOS settings – Make sure that the onboard graphics are disabled in the BIOS settings.
3. Check connections – Make sure all the connections to your graphics card are firmly seated and that there is no dust or dirt on the connectors.
4. Reinstall the graphics card drivers – Uninstall the existing graphics card drivers and then reinstall the most recent versions.
5. Test the graphics card in another computer – If your graphics card works in another computer, the problem may be with the current system’s hardware/software.
6. Check if your computer is overclocked – Overclocking can cause instability, so ensure the CPU and GPU are running at their default speeds.
7. Change power supply – If you are using a generic or budget power supply, it may not be providing enough power for your graphics card. Try replacing the power supply and see if that solves the problem.
8. Underclock the graphics card – This step is a last resort, as it will reduce performance. To underclock your graphics card, use the dedicated application provided by your graphics card manufacturer.
9. Replace the graphics card – If all else fails, you may need to replace the graphics card. Make sure to buy a card that is compatible with your motherboard and power supply.
If you are still having problems after trying these steps, contact the manufacturer of your graphics card or system for further assistance. They may be able to provide additional troubleshooting steps or repair/replace any faulty components.