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If you connect a power adaptor before turning on a computer what will happen?
Wiki User
∙ 9y ago
If the power adapter isn't plugged in before the computer is powered on, then the computer will not power on. The power supply provides power to the rest of the computer (which allows it to boot). If the power supply doesn't get power, then the rest of the computer doesn't get power. This doesn't apply to a laptop if it has a charge stored in the battery.
Wiki User
∙ 9y ago
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