Your system is giving error while booting on Runlevel 5 . Make successfully boot your system in
While you load the X Window System, you will get the problem. To
troubleshoot follow the following steps:
1. Check the /tmp is full ?
2. Check your quota, hard limit is already crossed ?
3. Check xfs service is running ?
4. Configure the Video card, Resolution, monitor type using: system-config-display (Most Probably
in Redhat exam)
5. Edit the /etc/inittab to set default runlevel 5.