Hello there, thank you for reaching out with your query, which is a common issue regarding updating Nvidia GPUs. Many people inquire about this problem.
The best solution in your case is to update to the latest Nvidia graphics card from the official website. However, before doing so, it's recommended to use CPU-Z to confirm your GPU model. CPU-Z not only identifies your GPU but also provides comprehensive hardware information. You can also refer to our guide on how to check computer hardware using CPU-Z for further assistance.
Afterwards, you can visit the Nvidia homepage to select the correct GPU for updating. For detailed instructions on updating Nvidia GPUs, check it out here. Additionally, for those using ATI GPUs, you can find the most accurate method for updating ATI VGA cards right here, as guided by Mytour.