# 修140.114.76.175 專題生GPU(裝cuda 10.2 driver 440, 再升級成driver 470) + 先用浩榮的那份medium(https://medium.com/@pydoni/how-to-install-cuda-11-4-cudnn-8-2-opencv-4-5-on-ubuntu-20-04-65c4aa415a7b) + 執行前面就好, 把東西先刪光 + 再跟著執行 https://medium.com/@anarmammadli/how-to-install-cuda-10-2-cudnn-7-6-5-and-samples-on-ubuntu-18-04-2493124478ca + 執行到nvidia-smi會不成功 + ![](https://i.imgur.com/knliHcK.png) + 執行1., 2., 4. + sudo reboot + 這邊執行nvidia-smi一樣不會成功 + ![](https://i.imgur.com/Rxto3mB.png) + 跟著執行這三行 + reboot完nvidia-smi就能正常使用 + 接著再把 https://medium.com/@anarmammadli/how-to-install-cuda-10-2-cudnn-7-6-5-and-samples-on-ubuntu-18-04-2493124478ca 剩下的cudnn裝完 + 應該就能成功裝好了