bootie all the time ?

hello i have problem with my compaq presario 6000 computer,its only 1 year old
but it should no better than to keep rebooting its self just out of the blue?
ive had this problem with an older computer and it was a bad power pack&fan
but my new machines fan only runs win it first reboots.when it was first out of the box i could here the fan come on every so often.
so i gess my question is if i have a thermo fan is there a way to ajust it or
is the problem a bad power pack?
i down loaded a program that tell case temp&fan speed &voltage frompower pac
it shows 0 rpm for fan but -voltage shows 1.6
can anyone help, am i looking in the right place
thank you wolfie

 

Are the fans spinning at all and if so are they staying on..If they aren't spinnning or are not remaining in operation then they will need to be replaced before further damage is caused.

 

i just took a look in side,i have 3 fans and there all running but not real fast.so maybe my booting problem is somthing else?
thanks for the come back
wolf

 

What operating system wolfie ?

 

hi mobo
my operating sys is windows xp

 

Are you able to bot successfullt into safe mode ?

 

When it reboots, can you pop into the bios setup and check the temps?