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aRoseBy t1_jdidnmh wrote

Sometimes you need to not only shut down, but yank the power cable.

After shutdown, some components may still get power, I would guess to keep them warm and ready for reboot.

I've seen router problems which persist after shutdown / reboot, but fixed by unplugging the power for a minute before reboot.

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Burnsidhe t1_jdiyrgs wrote

Even after you shut down a computer or other device, there is still a residual charge left in the circuitry. To really reset to zero, that charge must be drained. This can be done by unplugging the device and waiting, or unplugging and holding the power button to try to turn the device on. Either way, the charge dissipates.

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