first not detected hard disk then gone display now not power on

i used my laptop well for two days ago ,after two days it don't detect hard disk ,i replace new hard disk,then it don't show display ,after i power off it become dead why this happen suddenly ,i cant find out,please help me out

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 1

crwdns2942205:01crwdne2942205:0:

i would have to know the make and model.

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0