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If your computer starts after doing this, it means a surge may have fried whatever power source you were using and will need to be reset or replaced. To test, remove any power strips, battery backups, or other power sources, and plug your computer directly into a wall outlet. If it is plugged into a surge protector, it’s possible that it was tripped during the power surge. If your computer won’t turn on at all, check the outlet, powerbar, or power source it is plugged into. If that solution doesn’t work, or the lights and fans don’t turn on when you try turning on your computer, there are a couple other fixes you can try to diagnose the problem: Check Your Power Source

The same could be accomplished by letting your computer sit turned off for several hours or days, but who wants to wait that long? You have just purged the “dirty power” from your computer, and your computer power supply is fine. If this fixes the issue, you should be fine. Plug in the big black power cable from the back of the computer again.Press the power button to ‘turn off’ your computer.Hold the ‘on’/power button your computer.If it’s a laptop, remove the battery as well

Unplug the big black power cable from the back of the computer.

What To Do If Your Computer Won’t Boot After A Power Outageįirst, try turning on your computer: if the ‘green’ light comes on and you can hear the fan, but nothing happens-it’s a sign your computer has been affected by a power surge or outage. The good news is there are some simple tests you can try to get your computer up and running again. Even if your computer isn’t damaged, it may give you issues booting up after an outage. Keep in mind, even if you have a ‘proper’ surge protector, if the power is off for even a few seconds, it can have an effect on your computer. This will help make sure that if there is ever a power surge, your computer is protected and doesn’t take the brunt of any electrical damage.

To avoid these problems, it’s a good idea to use a surge protector with your computer, whether it’s a desktop or a laptop. However, in some cases power outages are also accompanied by power surges-it’s those surges that you need to worry about damaging your computer (and other electronics).Ī power surge can have a number of consequences for your computer, including: Power outages themselves will not usually cause any damage to your computer hardware. In 95% of cases where a computer or laptop simply won’t turn on, it is due to power (hydro) issue, like power surges or brief brownouts. It’s happened to all of us: you sit down with the intention of doing some work on your computer, only to see nothing but a black screen when you try turning it on.