We're sorry about the trouble with your graphics card in Photoshop. Would you mind telling us which version of Photoshop are you using? If Photoshop is not able to detect your Graphics Card, it might be due to the card not meeting the minimum requirements for Photoshop or if it has old/obsolete drivers. Please check: https://helpx.adobe.com/photoshop/kb/photoshop-cc-gpu-card-faq.html
Please let us know if you have any further questions!
Adobe upped the GPU requirements required for Photoshop version 2021 faster GPU with 2GB of VRAM is now required. Adobe Photoshop version 22 changed GPU support no longer supports some Older GPU and some older GPU are of limited use. Adobe is still developing Photoshop 2021 with each version 22 update Adobe GPU support seem to changes and Adobe is having issues detecting and supporting some GPU in each update.