[CentOS] Stuck on loading of CentOS

Wed Aug 29 23:22:42 UTC 2018
Jonathan Billings <billings at negate.org>

On Aug 29, 2018, at 02:57, Dhanasekaran Balakrishnan <dhanasekaranbioinfo at gmail.com> wrote:
> Yes nvidia driver is installed in the computer.  I am not sure how my
> colleague did this and presently he is not in my lab.

You will need to fix the nvidia driver.  I suggest using the packages from elrepo.org if you aren’t already. 

Most likely you rebooted into a new kernel that didn’t have the nvidia kernel module available. 
Jonathan Billings <billings at negate.org>