System Restarting

If your computer is restarting again and again first you need to check all the cable connection if OK
Clean your computer with a new version of antivirus software then also your problem is not solved remove your Internet connection if any and restart once then also your problem is still not solved
first remove your all connection(all cable connection)with CPU and open the CPU remove RAM on the mother board,clean the ram solt on the mother board with a neet breash and place the RAM now tou open the system it works.

If not the problem is with your mother board you got not near service center and repair it.