computer temperature monitor program?

what is a good temperature monitoring program, bro says computer makes lots of noise then turns itself off, im thinking its probably cpu fan dying but what should i install on his pc to check? a good temperature monitoring program.
Answer #1
You can do this with SpeedFan, a little freeware that almost everyone uses :
http://www.almico.com/sfdownload.php
Answer #2
or everest home….
Answer #3
Check this out
http://www.cpuid.com/hwmonitor.php
Please code all links - Kareem