basic troubleshooting
1. check ram - baklasin mo yung ram mo parang tanggal kabit lang
2. check wirings - yung mga wirings mo most specially yung power at power ng mobo
3. change cpu thermalpaste - baka kasi nagooverheat dahil dun
4. clean your pc - baka naman gubat na sa alikabok yan linisin mo lang as in parang general cleaning