Build a PC Help with shutdown

zag1402

TS Rookie
Hi gang
well i have a pc tower in and it is doing random shutdowns and then restarting
it is not a brand pc it is a bitsa (bits of this bits of that ) lol

we have done a deap virus scan " all clear"
we did a defrag
drive usage is not over 80%
oh and i gave it a good dusting out so it is dust free for now
It always seems to occur when on facebook

did i say its my wifes computer so it has to be done a.s.a.p ...... lol
 

Ritwik7

TechSpot Chancellor
What about your system temperatures. Random shutdowns are usually an indication of an overheating CPU.