Most computers (except servers) can be shut down at night, on
weekends, and during the day if they are not used for several hours.
There are still prevailing myths about computers that might prevent
people from being willing to change these behaviors. Switching
computers on and off used to be a problem in the very early days of
computers, but this is no longer the case. On the contrary, some
literature suggests that leaving the computer on will actually
shorten the computer's lifetime.
The following statement is taken from:"User Guide to Power
Management for PCs and Monitors", Lawrence Berkeley National
"The belief that frequent shutdowns [of PCs] are harmful persists
from the days when hard disks did not automatically park their heads
when shut off; frequent on-off cycling could damage such hard disks.
Conventional wisdom, however, has not kept pace with the rapid
technological change in the computer industry. Modern hard disks are
not significantly affected by frequent shut-downs
Shutting down computers at night and on weekends saves significant
energy without affecting the performance. Power-managed equipment
also may actually last longer than conventional products. Because
most such equipment will spend a large portion of time in a
low-power sleep mode, mechanical wear on disk drives and heat stress
on other components can be reduced."
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Released: September 23th, 2004
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Platforms: Windows XP, Me, 98, 95, NT and 2000
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