My Computer Won’t Turn On: How to Fix It

My Computer Won't Turn On: Top Reasons

If your computer has refused to turn on, then there could be a couple of reasons why. Learn what these reasons are and know how to fix them firsthand.

If your computer is not turning on, check to see if the power supply or outlet is broken. You can also try troubleshooting your computer in Safe Mode, looking for beep codes, examining the display, and investigating any strange BIOS settings.
Disconnecting unused gadgets is another quick remedy, as is checking for loose parts and viruses.

When you discover your computer won’t turn on, your initial reaction is likely to worry. However, the problem is usually not as serious as it seems. It’s probably just a minor issue that can be fixed quickly.

As I said earlier, there are a lot of reasons why your computer won’t turn on

Why My Computer Won’t Turn On

Power issues are a typical cause of computer inoperability, whether the computer’s own power source is malfunctioning or there is just no power reaching the computer.

The computer may be powered on, but you could be having issues with the display or the boot process due to some atypical configuration choices. It’s possible malicious software of the worst kind is to blame.

It’s also possible that your computer’s internal components are loose or that you installed a malfunctioning piece of hardware that causes the system to shut down unexpectedly upon startup. What can one do in such a predicament, you might ask? Troubleshoot your computer

How to Troubleshoot Your Computer When it Refuses to Turn On

#1. Verify your device’s setup in the firmware.

There are a few potential causes if your computer acts as if it is doing something but then fails to continue booting to Windows. The Unified Extensible Firmware Interface (UEFI) has mostly supplanted the more user-friendly-sounding BIOS (Basic Input/Output System) in modern personal computers.

In order to enter the computer’s BIOS or UEFI, you may need to consult the handbook for your computer. At launch, you might even receive on-screen prompts telling you which key to tap. Here’s how to get into the computer’s firmware, whether it uses BIOS or UEFI, but it shouldn’t matter what kind of hardware your PC has.

  • Turn on your computer.
  • Quickly hit the computer’s unique boot key (often ESC, Delete, F1, or F2).

After entering the system’s BIOS or UEFI setup, verify that the primary hard drive is configured as the first boot device, turn off Fast Boot, and check for any additional settings that may be creating starting issues. The computer’s BIOS or UEFI can be restored to its original settings to see if it helps.

#2. Try Safe Mode

If you can access your computer’s BIOS, you may be able to access Windows’ special boot settings as well. Start your computer in Safe Mode if feasible. It can be difficult, but here’s how to go about it.

Please keep in mind that the procedure below is only applicable if you are running Windows 8 or later.

  1. If any power lights or evidence of activity appear, press and hold the Power button for 10 seconds to force shut down your computer.
  2. Turn on the computer by pressing the Power button.
  3. Keep an eye on it, and when you see the computer booting up – usually a logo on the screen with spinning dots underneath it – hold the Power button for 10 seconds to switch it off again.

Note: Do not touch the Power button until you see the logo without the spinning dots underneath it; always wait for the spinning dots to appear first.

  1. Switch it on and off three times in a row.
  2. Allow the computer to power up for the fourth time. It will boot into the Windows Automatic Repair mode.

Tip: Your computer may enter Automatic Repair mode faster than usual, so keep an eye out for the words “Preparing Automatic Repair” when Windows loads – don’t be too hasty to push the Power button.

  1. Select Advanced Settings from the Automatic Repair screen.
  2. Select Troubleshoot from the Choose an option screen.
  3. Select Advanced Settings.
  4. Navigate to Startup Settings.
  5. Select Restart.
  6. When the computer restarts, press the 5 key on your keyboard to select Safe Mode with Networking.

If your computer boots normally, consider undoing any recent changes you’ve made to it. This may include removing newly installed gear. You may also want to use the Reset this PC area of Windows Settings to restore your machine to a clean installation of Windows.

#3. Allow the battery to charge

If the non-working computer is a laptop and you recently depleted its battery, it may refuse to turn on even when connected to an outlet. Allow the laptop’s battery to charge for at least half an hour after plugging it in. Next, try powering it back up.

#4. Check the screen.

Make sure the display is on and connected to the computer if the computer seems to be functioning (or at least generating noise), but the screen remains blank. The brightness setting should not be at zero, so double-checking is in order. If you have access to multiple monitors, try connecting your computer to one of those to see if that works.

#5. Check that nothing has come loose.

While something falling loose is a pretty uncommon issue, it is still worth checking.
You can accomplish this by removing the computer’s side panel and checking that everything is still correctly positioned while the power is turned off. For the most part, this entails evaluating the video card, sound card, memory chips, and all power and data connectors.

#6. You could try a new power source.

When you turn on a computer and nothing happens, there are typically just two reasons for this. Your computer is either not receiving power or its internal power supply has failed and needs to be replaced.

The computer should be unplugged from the UPS, surge suppressor, or power strip and plugged directly into an electrical socket. If that doesn’t work, try another appliance, such as a desk lamp, to make sure the outlet is functioning properly.

#7. Try a different power cable

You could try using a different, compatible power cord instead of the old one. Though unlikely, this can be easily remedied. Switch out the power cord if you have an extra one. Changing out the cable should force your computer to restart if the old one is faulty.

#8. Examine your computer for ransomware or viruses.

If your computer visibly powers on but does not boot into Windows, it may be infected with malware, such as a virus or ransomware. Malware that is poorly built might be so problematic that it inhibits Windows from working properly.

Try booting your computer from a USB device rather than the internal hard drive. If you are successful in getting the computer to work in this manner, you can then use anti-malware software to scan your computer for harmful applications.

#9. Disconnect all non-essential devices.

Eliminating as many variables as possible is a fundamental concept of troubleshooting. So, if you’ve tried the preceding remedies and you’re still unsure what’s going on, detach everything from your computer that isn’t absolutely necessary.

Generally, this entails disconnecting the printer cable, scanner, webcam, and anything else attached to the computer. Attempt to boot the computer using only the power cord, display, mouse, and keyboard.

#10. Break the code of the beeps

At boot-up, the motherboard of some computers emits a series of beeps. A single beep could mean everything is well, while a steady tone could indicate a serious problem with the power source.

The beeps sometimes sound similar to Morse Code in their use of long and short tones, but there is no universally accepted set of codes. Find out what the issue is referring to by consulting the computer’s user manual, online, or tech support service.

This may not be a workable solution because not all motherboards support beep codes.

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