Your PC did not start correctly? Here’s what you need to do

by Radu Tyrsina
Radu Tyrsina
Radu Tyrsina
CEO & Founder
Radu Tyrsina has been a Windows fan ever since he got his first PC, a Pentium III (a monster at that time). For most of the kids of... read more
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  • Some users complain that they get an error after startup indicating that their PC has not started up correctly.
  • In order to fix this problem, you need to update your Windows to the latest version.
  • Antivirus software can interfere with your operating system, so make sure you disable it.
  • You can also perform a system restore to bring the system back to a previous working version.
your pc did not start correctly

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You may have encountered an issue where your Windows PC doesn’t start the way it should after booting and it gives you an error right out of the blue that reads: “Your PC did not start correctly.”

This could be happening after a sudden power failure (your PC was working fine and it suddenly started to throw this error at you) or after upgrading your PC to the latest version, or at least to a newer one than your previous. We’re referring to updating the Windows OS, adding new hardware, or updating drivers.

The obvious first recommendation is to restart your PC and wait to see if this helps. If you’re lucky, this should do the trick, but if it won’t don’t worry as there are a few solutions to this issue.

Your PC won’t start properly? Fix it with these solutions

  1. Safe Mode/Startup Repair
  2. Use sfc/scannow
  3. Update Windows
  4. Disable antivirus
  5. Restore system
  6. Rebuild Boot Configuration Data
  7. Fix corrupted Master Boot Record
  8. Delete updates

Solution 1 – Safe Mode/Startup Repair

Safe Mode is a troubleshooting option for Windows that starts your PC in a limited state. Follow these steps:

  1. Go to the Start Menu and type Update and recovery.
  2. Click on Update and Recovery and go to Recovery.
  3. Under Advanced startup, click Restart now.restart now your PC didn't start correctly

In case you’re unable to login to your PC or if it’s stuck on the lock screen follow these steps:

  1. Press and hold Shift.
  2. Click on the power button while holding the Shift > click Restart.
  3. Click Troubleshoot on the Choose an option screen.
  4. Click on Startup Settings > Restart.
  5. Choose the Safe Mode.
  6. Sign in with an account that has administrator rights.

Your PC should be in Safe Mode now. You must run Startup Repair from Advanced boot option:

  1. Press and hold Shift and click on Restart.
  2. Click on Troubleshoot > Advanced Options.
  3. Click on Startup Repair.

Solution 2 – Disable antivirus

There are some reports that suggest your antivirus is causing the problem. That’s actually a common thing in Windows 10, as the system is known for interfering with third-party antivirus software.

Although Windows 10-antivirus interference mainly affects updates and the way they’re installed, there could be a system error here and there. Including the one we’re talking about.

So, try with pausing your antivirus protection for some time. If the problem doesn’t occur while your antivirus is disabled, consider changing it or switching to Windows Defender.

You can also try to use a different security tool. The best antivirus software for Windows 10 are specifically configured to protect you without causing any issues in your system.

Solution 3 — Use sfc/scannow

The next thing we’re going to try is running the sfc/scannow command in the Command Prompt. This command acts as a troubleshooter for various system-related issues, and might be useful in this case, as well.

If you don’t know how to run the sfc/scannow command, follow these instructions:

  1. Go to Search, type cmd, right-click Command Prompt, and select Run as administrator.
  2. Enter the following command, and press Enter: sfc/scannowsfc scannow your PC can't start correctly
  3. Wait for the process to finish.

Solution 4 – Update Windows

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Windows 10 is a service (according to Microsoft), which means the company is constantly working on improvements and enhancements for the system. So, maybe you’re facing a known issue in your current build, that Microsoft has already acknowledged.

check for updates your PC did not start correctly

If that’s the case, the solving update should be on its way. So, just head over to Settings > Updates & security, and check for updates. If there’s a needed update, your computer will download it. After the update is downloaded, restart your PC in order to install it. Once your system is up to date, check if the problem is still there.

Solution 5 — Restore system

There’s a chance some unwanted changes have been made on your computer. For that situation, there’s no better option than System restore! If you need to rewind your system to a previous working version, system restore is the most logical solution. If you have a proper restore point it won’t take too much time to perform a time-traveling procedure in Windows 10.

If you’re not sure how to perform System Restore in Windows, follow these steps:

  1. Right-click the Start menu and open Control Panel.
  2. In the Category view, open System and Security.
  3. Click File History.
  4. Open Recovery from the bottom left.
  5. Click on Open System Restore.system restore your PC did not start correctly
  6. Click Next until you can see the list of the available Restore Points.
  7. Confirm selection and start with the restoring procedure.

After the System Restore process is finished, the problem should be gone and everything will start working again. In case the issue is still there, move to the next solution.

Solution 6 — Rebuild Boot Configuration Data

If you’re unable to boot normally even though you’ve performed all the previous steps, there’s a chance that the Boot Configuration Data is corrupted. Also, some essential files may get deleted or the system update can cause issues on its own. Either way, you’ll need to rebuild the Boot Configuration Data in order to resolve this problem.

This is a complex operation, so make sure to follow the instructions closely:

  1. Open Advanced Options on the error screen.
  2. Choose Command Prompt.
  3. In the command line, type the following command and press Enter:
    • bootrec /rebuildbcd
  4. Now there are two scenarios you can encounter:
    • Total identified Windows installations: 0. Continue to Step 5.
    • Total identified Windows installations: 1. Type Y, press enter and restart your PC.
  5. In the command line, type the following commands and press Enter after each:
    • bcdedit /export c:bcdbackup
    • attrib c:bootbcd -h -r -s
    • ren c:bootbcd bcd.old
    • bootrec /rebuildbcd
  6. Insert Y or Yes and press Enter.
  7. Reset the PC and you should be good to go.

On the other hand, there’s more to boot configuration except for the Boot Configuration Data. There’s also the Master Boot Record.

Solution 7 — Fix corrupted Master Boot Record

Master Boot Record (MBR) is a special boot sector that saves the boot configuration and information on your HDD. If it’s corrupted or incomplete, you won’t be able to boot your computer normally. There’s a large variety of errors that can occur because of this issue, and it’s not exactly easy to resolve it, especially without the installation or recovery media. However, there’s always a way, and you should be able to perform this action by following these instructions:

  1. Open Advanced options on the error screen.
  2. Open Command Prompt.
  3. In the command line, type chkdsk /r and wait for the repairs to finish.
  4. If the problem is still there, you may need to insert additional commands to make it work.
  5. In the command line, type the following commands and press Enter after each:
    • bootrec /RebuildBcd
    • bootrec /fixMbr
    • bootrec /fixboot
  6. Reset your PC and look for changes.

This should resolve your Master Boot Record failure and get you going.

Solution 8 — Delete updates

If this error occurred after the latest update, there’s a good chance you’ll need to uninstall it, and revert to the previous working version of the system. Here’s what you need to do to restore system updates:

  1. Go to Settings > Updates & Security > Windows Update.
  2. Go to Update history > Uninstall updates.uninstall update your PC did not start correctly
  3. Now, find the latest update installed on your computer (you can sort updates by date), right-click it, and go to Uninstall.
  4. Restart your computer.

In case the issue persists, Microsoft advises you to contact support for further troubleshooting.

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