The first step in troubleshooting a computer that is not recognizing its graphics card is to identify the model and make of the graphics card installed in your computer. This information can usually be found on a sticker located on the back or underside of the computer.
Once you have identified the graphics card installed, the next step is to check your computer’s BIOS and make sure it is configured correctly. To do this, turn off your computer, then restart it and press and hold the Del or F2 key when prompted. This should open the BIOS menu. Look for the section labeled ‘Advanced’ or ‘System Configuration’, and then use the arrow keys to select the ‘Video’ option. Make sure that the proper graphics driver is selected for your particular model of graphics card.
If the BIOS is configured correctly, the next step is to check the drivers for your graphics card. Make sure that you are using the latest version of the drivers, as outdated drivers will often cause issues with graphics cards. To update your drivers, go to the manufacturer’s website and download the correct drivers for your specific graphics card. Once downloaded, install the drivers and restart your system.
If the drivers are updated but your computer still isn’t recognizing your graphics card, the next step is to check if your graphics card is properly seated inside your computer. Open up your computer case, locate the graphics card and make sure that the power connectors and other cables are firmly connected to both the graphics card and the other components in the system. If the card is not properly seated in its slot, remove it and carefully insert it again.
If your graphics card is properly seated, the next step is to make sure that your power supply has enough wattage to support your graphics card. Refer to the specifications for your graphics card and make sure that the power supply is rated for at least the same amount of wattage as the card requires. If the power supply is too low, consider upgrading it with one rated for higher wattage.
If all of these steps fail to resolve the issue, it’s possible that the graphics card itself may have failed. In this case, you will need to replace the card with a new one. Make sure to select a card that is compatible with your system and properly supported by your computer’s operating system. Also, ensure that the card has sufficient power and cooling capabilities for your system’s requirements.