GNU/Linux Deepin Installing GeForce Driver Guide
The linked tutorial shows you step-by-step How to Install NVIDIA GeForce Graphics Driver on Deepin GNU/Linux desktop – Step by step Tutorial.
The GeForce Driver Deepin Setup is a breeze, requiring just a few straightforward Shell Commands to complete.
Most noteworthy: first try with the Recommended NVIDIA Driver Setup from Apt Deepin Repo, and then possibly the Generic for Linux.

GNU/Linux Deepin NVIDIA GeForce Driver Installation Guide