After removing the GPU and driver, the PC stops updating onboard graphics.
After removing the GPU and driver, the PC stops updating onboard graphics.
Many motherboards turn off built-in graphics after a dedicated GPU is connected. You must turn them back on in the BIOS. Regarding the error messages, search for them specific to your motherboard model. What processor are you using? That information wasn't provided.
What kind of processor are you using? Is it certain that it includes built-in graphics? Did your computer previously function without a separate graphics card? Would you like to reinstall the GPU so you can adjust the BIOS settings and ensure the built-in graphics remain active?