[CentOS] Cannot boot

On Fri, Nov 20, 2015 at 2:18 PM, Siva Prasad Nath
<shivaprasadnath21 at gmail.com> wrote:
> Hi,
> My server not able to boot up. It is hanging after few times.
> How to repair boot system? I am trying to use grub2-install. Is it
> necessary to install grub2 on boot device?
>

Does the system boot with a Live USB system?

-- Arun Khan