If your graphics card does not display correctly, there are a few possible causes and steps you can take to resolve the issue.
1. Check if all connections are secure: The most common cause of a graphics card not displaying correctly is a loose or improper connection between the graphics card and the monitor. Always make sure all cables have been securely connected and are not loose. This includes both the power cable(s) and the video cable(s). You may also want to fully unplug and reconnect any cables just to be sure.
2. Check the BIOS settings: It is also possible that the graphics card’s settings are incorrect in your computer’s BIOS. To check this, enter your BIOS settings menu and ensure your graphics card is correctly identified. If it is set to a different model, select the correct one from the list.
3. Check the drivers: Outdated or incompatible drivers are another potential cause of a graphics card not displaying correctly. Make sure your drivers are up to date by downloading the latest versions from the manufacturer’s website. This can usually be found on the product page for your specific graphics card.
4. Check for overheating: If your graphics card is overheating, it can cause problems with display. To check for overheating, open your computer case and check your graphics card for hot spots and excessive amounts of dust. Use compressed air to remove any dust buildup, and consider investing in an improved cooling system such as additional fans or a liquid cooling system.
5. Perform a clean install: If all else fails, you may need to perform a clean install of your graphics card drivers. To do this, download the latest version of your graphics driver from the manufacturer’s website. Then, go into the device manager and uninstall your current graphics driver. Once this has been done, reboot your computer and reinstall the new driver.
In the end, if none of these steps work then you may need to consider replacing your graphics card with a newer model. It may also be worth consulting with a computer technician for further advice and assistance.