Blue Screen Of Death (BSOD)

What is BSOD? or also known as bluescreen.
sometimes your computer will suddenly appear bluescreen
and cause the computer to reboot.
this is caused by crashing of either hardware or software
if your system just installed a new hardware
such as ram, harddisk or graphic card
all these are possible to cause BSOD
beside that, another possibility is software
sometimes few applications open together will crashed
when crashed then BSOD will happened
so you have to make sure which software will cause BSOD
normally BSOD come out just a few seconds
within this few seconds you have to get the error code

then google search for the solution
to see whether is software or hardware problem