How to Fix Windows 10 Error Code 0xc00000e9

The error code 0xc00000e9 appears on the screen of a Windows 10 computer when there is a faulty connection between the storage devices- hard drive- and the computer. It is typically caused by:

  • A loose or damaged storage connection
  • A corrupt registry
  • Out- of- date drivers
  • Hard drive related problems such as MBR, failure, etc.
  • Windows update
  • Virus attack.

In most cases, it prevents the user from logging in or booting up their computers. There are several approaches to tackling the error code 0xc00000e9 Unable to Boot Error. But, all these methods should only be visited at length after the automatic repair fails.

What is 0xc00000e9?

0xc00000e9 is a Windows blue screen error that prevents your system from booting up. It is caused by a faulty connection between the Windows operating system and the storage drives. This faulty connection manifests in the form of missing or corrupt system files, out of date drivers, hard drive problems, virus attacks, and problematic windows updates.

Check on the connection of all removable storage devices

The Unable to boot Error code is caused by a faulty connection, and oftentimes, fixing it might be as simple as connecting and reconnecting the storage devices. To find out if the problem stems from your storage devices connected to you Pc, you should follow the steps listed below

Step 1: Disconnect all storage devices like external hard drives, USB sticks, and SSDs

Step 2: Enter the BIOS by starting up your devices and pressing the appropriate function keys with the brand of computer you use.

Step 3: Navigate to Boot, and expand the Hard drive directory. You should be able to see how many drives your PC can detect. If you have one drive not listed, it could mean you have a drive connection issue.

Step 4: Unplug all hard drives and USBs, and reconnect them, taking time to make sure every plug fits snugly. Start your PC after.

If your PC can’t still detect them after you reconnect them, deduce if it’s a cable or hard drive problem. If it’s a hard drive problem, you should attempt rebuilding the MBR or Scan for bad sectors.

Change your BIOS setting

In some cases, your hard drive might not be the cause of the issue, it might be a setting in the BIOS.

Step 1: Open your BIOS by starting your device and pressing the appropriate function keys mid boot.

Step 2: Once you are in BIOS navigate to the boot section, set your hard drive to the first boot device using the arrow keys.


Step 3: Save changes and boot up your system. If the issue was resolved, you should have no trouble logging into your PC.

Update your drivers

Outdated drivers are another common cause of the Windows 10 error code 0xc00000e9. The software and hardware devices cannot effectively communicate if certain drivers are missing or not up to date.

You can update your device manually, by visiting the developer’s website and picking the appropriate drivers for your device. The process can be long and challenging if you do not manually update your drivers before. You can browse the web for recommendations to guide your search.

You can automatically update all your drivers by using free driver update tools like Driver Easy and any other popular application. All you need to set it and update is to open the app and click scan. It will scan your device for faulty and outdated drivers and download the correct updates.

Fix the Master Boot Record (MBR) with Windows PE

The error code 0xc00000e9 can also appear on your system screen if you install windows 10 without setting the MBR. You can rectify this mistake with the help of a hard drive or external drive with Windows PE, and following these next steps

Step 1: Connect the external device of your choice with Windows PE to your computer.

Step 2: Launch the program, and set your C drive as Master Boot Record.


Step 3: Reboot your device and reinstall windows to confirm if the problem has been fixed.

System Restore

This one of the quickest ways to reverse potentially damaging mistakes or alterations you’ve accidentally made to the system’s registry. Windows restore lets you load into an older version of your computer. Though this function can reverse months of changes on your system, it won’t affect your files, only system applications, installed applications windows registry and the system settings.

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Cleaning out Your Windows Registry

If you don’t have a system image setup and can’t use a simple system restore, then maybe you should consider fixing your Windows Registry with a software. There are numerous Registry cleaner software currently available on the internet. They will correct simple punctuation mistakes or more complicated or damaging alterations that have been made to your system registry.

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Fixing your computer is only a simple matter of downloading one of the dozens of free registry cleaners on the internet, loading them onto your PC.

For the use of this guide, we are going to be recommending Cleaner. Once you launch the application, you should find a scan button at the base of the page. When you click on it, you should get a prompt that asks you whether you want to back up the files before it attempts to repair your PC. Once your files have been backed up, click on ‘Scan and Repair’ and the error should resolve itself, if it’s caused by a corrupted registry.

Replace your hard drive

If fixing the master boot loader doesn’t work, consider changing the hard drive and recovering your files.

Step 1: Get a data recovery software that you trust, which allows you to recover data even after a failed boot.

Step 2: Load up the software and choose the right hard drive

Step 3: Choose the scan parameters, and then scan the device for files

Step 4: You will find toggles that allow you to filter, show lost files, and preview files.

After you’ve selected the files you want to save, you pick a safe storage location and click on save.

Bottom line

Fixing a Windows blue screen error is a very daunting, very tasking endeavor. If you have no background in computer science, you might struggle, but ultimately you should be able to fix it with enough trial and errors. Also, you should note that you should try software solutions first. It will help you narrow down the cause of the error- software or hardware. And guide you during the troubleshooting process.

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