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Electrical Damage
Erratic computer performance, as well as hard drive failure, can sometimes
be caused by poor power quality. Electrical voltage conditions such as
unpredictable power surges and spikes can cause immediate or long term
damage to your computer. While these conditions may not often be obvious
and do not affect most appliances, they can knock out your hard drive
and other computer components. Symptoms of voltage spikes include; a flickering
video display, unexpected system start-ups, and the system not responding,
resulting in system crashes and data loss.
Spikes
are short lived, high level "blips" that ride into your computer
on the power line or on the telephone line connected to your modem. They
have short pulses but are hard to remove, because they happen so fast.
Surges are longer lived, lower level impulses that can last for
one second or more. Because surges last longer they contain more energy
than spikes and can cause more damage.
Remedies
These situations can cause irregular power stresses to computer power
supplies that can cause internal heat and component degradation within
your system. Sometimes a remedy can be as simple as using available protective
products however it is important to identify the specific type of disturbance
to be able to find the appropriate remedy. A data recovery specialist
can help you in this case to find and fix the problem.
Lightening
Electrical damage from a nearby lightning strike can result in computer
problems by causing components to become marginal and weaker. When lightening
strikes phone lines it enters through the modem which travels through
to the motherboard, processor, memory and other important components.
Damage done to your hard drive may not be very obvious at first; breakdown
can happen very slowly sometimes and leave you clueless to what is really
going on.
The power supply usually absorbs the strike first and when this happens
there will be noticeable damage. However sometimes the electrical charge
can pass the power supply without causing immediate damage. As time passes
your hard drive will begin to show signs of erratic behaviour and shortly
after that it will cease to function at all.
Household Dangers
Besides lightning being a problem, a large percentage of all electrical
impulses are actually generated from within the home or business. They
come from household appliances that contain electric motors as well as
fluorescent lights that are switched on or off. Impulses can seriously
damage the sensitive microelectronic chips inside computers and damage
data resulting in computer software corruption.
Solutions
A surge suppressor installed between
the power outlet and system power cord can be
used as a precautionary measure that is designed
to protect equipment that is particularly sensitive
to moderate surges. If the area that you live
in experiences frequent power surges, an arrestor
should also be used. Installed at the service
panel, an arrestor uses the same technology
as a suppressor, but it is designed to handle
higher loads and prevent damage in a broader
way.
Power surges and spikes can seem like something that is cause for despair
but data recovery is always possible as long as the right precautions
are taken and you get the help of a trained specialist to recover lost
data.
Precautionary Measure
Unplugging your computer and connected accessories from both the power
line and telephone line when not in use can be helpful when there is a
possibility of thunderstorms.
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