Hello Gulfstream,
On Mon, 17 Jun 2019 11:17:48 +0800 (GMT+08:00) wg...@china.com wrote: > > I have install the proprietary nvidia drivers and it runs well. > Another user reported the same error and he had installed the nvidia driver by their installer. He could solve the issue by uninstalling it and installing by the Debian nvidia-driver package. Have you by any chance also used the nvidia installer in the first place? Kind regards, Bernhard