Computer owners should unplug PCs during power outages to prevent damage
Experts warn that leaving a computer plugged in when the grid fails exposes sensitive parts to dangerous voltage spikes upon restoration.
Risk of sudden power return
Standard household circuits operate at 120 volts, but unexpected surges can exceed safe levels. These spikes often occur when electricity returns after a blackout and strike vulnerable components like motherboards and SSDs.
Turning off the machine is not enough
Even a powered-off computer remains connected to the home wiring through its power cable. This connection allows damaging current to flow directly into delicate internal circuits when the grid stabilizes.
Potential cost of ignoring advice
Owners face the possibility of costly repairs or permanent data loss if they do not disconnect their devices. The surge arriving after lights return is frequently more destructive than the outage itself.
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