Since the computer is running a common laboratory model of the machine, in the settlement process, the cause has been found to be cuda can not enter the system. The reason is fitted with two different versions of cuda, a 9.2, another 10.0, because it is common, it is not clear how the two simultaneously installed, there may be installed after a time, not before a clean, cuda affect the current version. Another reason appears online this issue [1].
1. ctrl + alt + F (1 ~ 6) (I is F2) to access to the command line, enter a computer user account and password, as follows:
2. Since my problem might be a version of cuda Cuda after effects of the previous version, so the solution is to uninstall 9.2, retaining 10.0.
By executing cuda uninstaller script you can uninstall command as follows:
sudo /usr/local/cuda-9.0/bin/uninstall-cuda-9
Colored This path may not like your path, but must uninstall script in / usr / local.
3. After uninstalling, perform updates
sudo apt-get update
4. Restart
reboot
references
【1】https://blog.csdn.net/u013406197/article/details/80773820?utm_source=blogxgwz0