If you plan to no longer use the NVIDIA driver, you should make sure that no X screens are configured to use
the NVIDIA X driver in your X configuration file. If you used nvidia-xconfig to configure X, it may have
created a backup of your original configuration. Would you like to run nvidia-xconfig --restore-original-backup to attempt restoration of the original X configuration file?
中文 
deepin 
Flashing Screen Bug 
If you plan to no longer use the NVIDIA driver, you should make sure that no X screens are configured to use
the NVIDIA X driver in your X configuration file. If you used nvidia-xconfig to configure X, it may have
created a backup of your original configuration. Would you like to run
nvidia-xconfig --restore-original-backupto attempt restoration of the original X configuration file?