nvidia-smi報錯：NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver.

Hello，大家好！有時候ubuntu系統的顯卡驅動明明已經裝好了，但是輸入nvidia-smi，卻出現如下提示： NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running

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