【我记住你了！】nvidia-smiNVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make

$ nvidia-smi

nvidia-smiNVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

看到这个我内心是崩溃的，因为前几天显卡驱动就损坏过一次，桌面都进不去了，我又重装的，这才过了几天咋又起要蛾子？

后来经过网上剽窃他人实践成果得知，哦～～

因为内核版本升级，导致之前安装的显卡驱动用不了了，

所以：

重启进入ubuntu（高级）里面选择一个比当前版本低的一个内核，启动