# 3.4 老 Nvidia 显卡安装驱动
首先安装N卡驱动检测工具：sudo apt install nvidia-detect     
运行检测命令：nvidia-detect     
输出示例：Detected NVIDIA GPUs:...      
It is recommended to install the nvidia-legacy-340xx-driver       
根据提示安装驱动：`sudo apt install nvidia-legacy-340xx-driver`            
详见：https://wiki.deepin.org/wiki/%E6%98%BE%E5%8D%A1