Hello, I am currently using CentOS 7 and for the last two days GUI is not working in my computer and the operating system is not starting. Black Screen lists something like in Red Color [ ] Started show Plymouth Boot screen [ ] Reached target Paths [ ] Reached target Basic System . . . . . . [ ] Stopped Apply Kernel Variables [ ] Stopping Apply Kernel Variables [ ] Stopping udev Kernel Device Manager Please do let me know the way for starting the device properly. Thank you. Kind Regards, Dhana