[Fixed] Computer won’t Turn On After Power Outage (100% Working)


At first, you should verify if there is proper power being supplied to your computer. Hold the power button for 10 seconds while unplugged & then plug it again to see if turns on. 

Computer Wont Turn On After Power Outage

Computer Won’t Turn On After Power Outage

It’s a scary moment for any of us when we see our beloved computer not powering up after a power outage. If you don’t have a backup UPS to properly shut down your computer then there can be several consequences that result in computing not turning on.

Will A Power Outage Damage My Computer?

You need to understand the difference between power outages & power surges. A power outage is when the power supply is cut from your main system. A power surge is a result of producing more voltage than the electric components can handle. 

A power surge can result in severe hardware damage to every part of the computer. The inside electronics can be damaged severely. A power outage can have effects on hardware but less than that of a power surge. 

Why Computer Won’t Turn On After Power Outage

There are several reasons that can cause your computer to not run at all Among them the most popular is hardware damages from power outages. The computer needs to complete its shut down process properly, otherwise, it won’t be able to return to its normal state easily. Some hardware damages include

  • Damage of motherboard 
  • Damage of internal electronic components.
  • Damage of RAM. 
  • Damage of Hard Drive. 
  • Damage inside the Power System Unit (PSU). 

What To Do If Your Computer won’t Turn On After Power Outage

Before you come to a conclusion, you need to check whether your computer has any other issues. To check that you can follow these procedures. 

If Your Computer Turns on But Nothing happens

When you try to turn on your computer & you hear the fans running & the LEDs lighting, but nothing else happens. That means your power supply unit is working properly. The keyboard & mouse would also light up. Follow the following steps. 

  • Unplug your computer from the wall. 
  • Hold on to the power button for 10 seconds. 
  • Release the power button & replug your computer back into the wall. 
  • Turn your computer on again. 

If your computer has any leftover power Then this should purge it. It should fix the issue & your power supply would be fine like before. 

However, if you find that your computer is not turning on at all, not even the fans or LEDs. These are some things you can do to diagnose the problem.

Checking the Main Power Source

Check the outlet where the computer is plugged into. Test if it’s working fine for other electronic components like phone chargers. If it does work then that means the power is working fine, your computer has some problems.

You can do the same thing by connecting the computer main plug to any other power outlet. 

Check Internally

Now as you know the issue is within the computer, you need to see if there are any components that are working with the power on. Open the side panel carefully & while the computer is unplugged. 

Check the fans carefully, try giving them a boost with a stick. If nothing happens, there is likely something wrong with your Power Supply Unit (PSU). The mouse & keyboard should also light up if there is a hint of power coming from the PSU. 

Your fans are directly connected to the PSU. If the motherboard is damaged but the PSU is okay, then the LEDs & fans should have worked. If you are a computer nerd, then you can try checking each item if it works properly. 

But to that, you need a second computer to see the items one by one. Many don’t have a 2nd PC to test every item. That’s why now the best option is to go to your local computer shop & check what the problem is. 

Dell Computer Won’t Turn On After Power Outage

If your Dell computer is refusing to turn on & showing a blank screen then it’s because of flea power. It is the residual static electricity that remains on electrical components after being switched off. This power is enough to make your fan spin or run the LEDs for some time. 

It is the reason your computer won’t turn on or shows a blank screen. There is a simple procedure to eliminate flea power. Unplug the power cable from the wall. Press & hold down the power button for 10 or 12 seconds & then release it. 

Reconnect the power cable back into your computer & turn on your desktop. 

Frequently Asked Questions (FAQs)

What is the best way to avoid any hardware damage due to power outages?

A backup power supply to your computer is the best way to eliminate any worries of hardware damage due to power outages. You can use a backup UPS to save your precious work & shut down your computer properly. You can also use IPS or generators to back up the power supply to the house. 


When your computer won’t turn on at all, checking to see if there is any problem with the power source is the least you can do. Hardware damages cause the computer to not turn on at all. It’s best to leave that part up for the experts to handle. Otherwise, you can damage your precious components. 

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