Power Saving Best Practices for Computers

See this site on Tom’s Hardware. Have you wondered how much power your computer actually uses and whether or not you should turn off or standby or hibernate or keep on?

Basically, it is bad to turn the computer on and off a lot, but this is not because starting it up “electrically shocks” the computer. Rather, it is because of the flux in temperature, whereby chips and other parts expand and contract as temperature changes.

So from a pure maintenance point of view, one should leave a computer either always on or always off. However, to leave always on wastes a lot of power (and money). The website estimates yearly savings for turning a computer off when not used is around $160! That is a lot. But, savings are near identical when we simply put our computer on standby or hibernate. For older computers, standby still uses a lot of power, so hibernate or sleep is better. But for newer computers, standby is almost caught up to hibernate. Hibernate is probably the better option if you have it. You might have to wait for a few more seconds to wake it up, but that shouldn’t be a problem.

So, basically, you shouldn’t keep your computer on always, as this wastes a lot of power and money. Older standby modes may only be slightly better. But for newer computers now, there is no need to shut down completely your computer every time. Hibernate (or standby) will do for when you don’t use the computer. Perhaps every once every few weeks or so, you can do a full shut down, if you wish.

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