ssh and centos login problem

With the winscp program, I was transferring the cpanel backups to the home folder, the connection was disconnected I could not access the vps server I opened a support request to the server center vps was rebooted for them to reboot my vps server, but I could not enter ssh I turned the modem off and turned on my ip number to change my ip number, but I could not enter ssh again, I had a new setup, centos panel, how can I solve it? this problem  centos is not entered in panel as ssh is not entered