What Keeps My Computer On When The Electricity Goes Out? Brief Answer

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It is advised to use uninterruptible power supply (UPS) equipment, which keeps my computer on when the electricity goes out. Continue reading to know about What Keeps My Computer On When The Electricity Goes Out?

What Keeps My Computer On When The Electricity Goes Out?

If Your Computer Shut Down Too Quickly Or Abruptly:

Kick yourself if you don’t order a UPS right away. If your computer shut down too soon and you have a UPS:

  1. You can plug equipment into a UPS’s “BATTERY BACKUP” and “SURGE ONLY” outlets. Printers, scanners, speakers, and other devices should be connected to the “SURGE ONLY” side instead of the “BATTERY BACKUP” side, as this will increase the UPS’s uptime during a power loss. If your PC and monitor are plugged into a “surge only” socket on the UPS, they may turn off as soon as the power in your workplace is gone.
  2. It’s possible that your UPS battery has to be replaced because it’s old. You can see the anticipated battery life by selecting the “APC Powerchute” symbol on the taskbar’s lower right corner next to the clock. If the calculated battery life is less than five minutes, you should replace the battery as soon as you can. Don’t disregard low battery alerts. If the computer is being purchased with funds from a research grant, please tell us the account to charge and a report of the research it is being used for. A battery costs $39.
  3. If there is a UPS issue, let us know so we can
What Keeps My Computer On When The Electricity Goes Out 1

Look into it.

  • Shut down your computer, restart it, and press F2 (or even DEL) to halt the booting process at the BIOS window (don’t let it boot into Windows) to confirm your estimated battery life. Then, unplug the UPS from the outlet and observe how long the computer remains powered on.
  • Alternatively, log out and unplug the UPS from the wall when the PC is at the login screen without shutting down. Before the UPS itself loses power after some time, your computer needs to do a controlled/automated shutdown and turn off. You will need a new UPS battery, or the UPS could be defective if it loses power before the computer shuts down completely (ask us to check it if you like).

Is It Possible To Maintain Your Computer’s Operation During A Power Outage?

Your PC may have significant issues if there is a power outage. You may lose important data if the power cuts out while you work, but the issue may go deeper. To prevent system file damage, you should permanently shut down your computer’s operating system correctly.

Using an uninterruptible power supply will allow you to keep your computer working during a power outage for at least long enough to save work and correctly shut it down (UPS). When there is a power outage, a UPS’s sizable battery supplies backup power to your computer.


An uninterruptible power supply is also similar to how a power strip or surge protector is utilized. Connect it to the electrical outlet, then connect the devices it will safeguard to the UPS’s available sockets.

The UPS has several outlets that offer both surge protection and battery backup. It would help if you used these for your computer, monitor, and possibly one or two more gadgets you want to protect from unexpected power outages.

A phone jack or two are typically supplied for surge protection, and additional slots that offer surge protection without battery backup might be available. The UPS will use its available battery capacity to keep running your computer as long as possible if the power goes out. It might only take a little while. The longer it can assist, the more devices it is anticipated to back up.


A UPS is often designed to keep the power on for just long enough for you to securely turn off your computer, not to keep your computer equipment running continuously. Consider the devices you want to support with battery backup during a power outage when choosing a UPS, and pick a UPS with enough capacity to accommodate them.

The computer and monitor are the only essential components so that you can shut down the system properly. Additionally, remember that the UPS battery, usually a sealed lead acid battery (SLA), loses some capacity with each cycle of charging and discharging.

Present Features

There is a large variety of UPS types with various capacities and features available. The longer the UPS is expected to keep your equipment powered, the more capacity you’ll need, and the more expensive the UPS will be. Uninterruptable power supply producers frequently offer free online tools that let you figure out how much equipment you need to sustain and for how long so that you may think about models with suitable capacity.

While some UPS systems offer backup power, others come with supporting software that can communicate with your computer to report the UPS’s condition and safely shut it down when the battery is running low.


Invest in a UPS with the capacity to sustain your computer equipment’s most critical functions long enough for a controlled shutdown. It will be expensive if you desire the extra capacity to keep working. Inexpensive UPS devices geared for the general consumer market will likely suit your demands if you think any outages occurring will be brief.

You will need to consider employing several top-tier UPS solutions, possibly supported by fuel-powered backup generators, in rare scenarios where power outages are likely to be frequent and prolonged, and you want to use your equipment.

What To Do If, After A Power Outage, Your Computer Won’t Boot?

Try turning on your computer first; if nothing happens and the ‘green’ light turns on, and you can hear the fan, a power surge or outage has likely damaged your computer.

  • Remove the computer’s large, black power cable. Take off the battery if it’s a laptop as well.
  • Hold down the computer’s power or “on” button.
  • 5 seconds, wait.
  • To “shut down,” press the power button on your computer.
  • Reconnect the large black power cord with the computer’s back.
  • Activate your PC.

If this resolves the problem, you ought to be alright. Your computer’s power supply is in good shape after cleaning out its “dirty power.” Who wants to wait that long? You could achieve the same result by leaving your computer off for several hours or days.

There are a few other solutions you can try to identify the issue if that one doesn’t work or if your computer doesn’t turn on when you try to turn it on.

Check Your Power Source

Check the outlet, PowerBar, or another power source where your computer is plugged in if it won’t even turn on. It might have been tripped by the power surge if it had been plugged into a surge protector.

To test, unplug any extension cords, backup batteries, or other power sources and connect your computer straight to a wall socket. If your computer restarts after doing this, the power source you used may have been damaged by a surge and will need to be reset or replaced.

Examine The AC Adapter

The surge might have harmed your AC adapter if your laptop battery doesn’t seem to maintain a charge. Your AC adapter may stop correctly charging your battery if it receives dirty power from power surges or brownouts.

Examine Your Battery

Remove the battery from your laptop if you’re using one, and try to start it with AC power. If your computer boots up without any issues, your battery is probably the problem and has to be changed.

Survey Of Computer Fans

When your power supply is turned on, if your computer’s fan doesn’t turn on, it may be necessary to replace your power supply. A motherboard or CPU issue needing replacement could cause the computer fan not to spin.

Examine Your CPU (Central Processing Unit)

Examine through the vents on the side of your computer when the power is on for a green light on the motherboard. The Power Supply Unit (PSU) likely needs to be reset if you notice a flashing green light. If there is no green light, the power surge may have damaged the Switched-Mode Power Supply (SMPS) component, necessitating replacement.

Call A Specialist Near You

A specialist can assist if you’re unable to identify the cause of your computer’s inability to start up or are unsure how to resolve the problem. Your machine will be up and running after our team of nerds has identified the issue and corrected it.

Final Summary

Electricity is required by a computer and What Keeps My Computer On When The Electricity Goes Out? A UPS, or uninterruptible power supply, is what you need if you’re talking about a gadget that keeps your computer going when the primary power source fails. Your computer is plugged into the UPS, which is plugged into the wall.

When wall power is available, this gadget charges its batteries, and the batteries power an inverter, which converts DC to AC and powers your computer. Most of these solutions are for temporary power outages, and how long they last depend on how much electricity your computer (and monitor and router…) uses. Many users set their computers to shut down correctly and close all open files without utility power. You need a generator if you plan to be away for a while.

Frequently Asked Questions

Which area of the computer remains operational in the absence of electricity?

The Uninterruptible Power Supply, or UPS, is the gadget that keeps your computer running during an electrical outage. This device senses the lack of power and swiftly switches to your computer’s battery, keeping the system operational when the mains or utility power goes off.

Can a generator power my computer?

In an emergency, portable generators are an excellent method to keep your computer powered. Check that the generator is a sine wave device safe for delicate equipment like PCs.

Does WIFI function if the power is out?

Wireless internet connectivity depends on powered equipment like our field towers or home routers. You will lose your connection if those devices stop functioning when the power goes out.

Which device restores power during a power outage?

Any device that offers instantaneous, uninterruptible electricity is considered backup power. Uninterruptible power supply, or UPS, is a phrase that is frequently used, but it can also apply to systems that provide A/C power or systems that provide power for no longer than 30 to 60 minutes.

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