Should I leave my Computer On or Off ?
October 25th, 2008 | 
Author: Unlike most PC Users, I have 30 years experience in computers and related Electronic engineering.
So what do I do ??
The correct and best thing for the environment, the computer and it’s component circuits.
I TURN IT OFF!
Leaving it on for days on end to supposedly protect some 5cent switch or 5$ chip, is wasteful to the extreme.
Yes thermal shock ,can damage fragile circuits especially CPU’s , but is rarely the cause of failures in CPU’s. Main problems causing CPU failures is Heat stress and Voltage spikes. CPU’s do not like heat, do not Overheat them , Overclocking is MADNESS. If you don’t need the computer on ,turn it off, the Power switch is there for a reason.
The best way to ensure your power supply doesn’t die is to ensure it has a sufficent rating for your computer. Too many PC’s are still equipped with 300W Power Supplies. Add an extra Dvd / HDD to your computer won’t stress it much. Add in that latest NvidiATI Super GS1000gts-XIO crossfire VIdeo Card(s) and watch the poor little PS die an early death. A PS with a 500W – 1000W Rating will make it a Happy PC.
Add as many fans to your PC as you can fit. Ensure it is has adequate ventilation. DO not smoke near it. Open case and remove dust, hair and lint at regular intervals.
Fair enough, most of you are domainers with very little technical knowledge of computer circuitry, but common sense should prevail. You do not leave your car running in the Garage, so as to save the ignition switch. You don’t leave the stove on, in case your want to cook something. You don’t leave the door unlocked when you aren’t at home to save you the trouble of unlocking it when you return. The same logical and practical thought process should apply to your computer and whether or not it is turned on.
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