15 Methods to fix windows error code 0xc00000e9

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15 Methods to fix windows error code 0xc00000e9 Windows 10 Windows 8.1 Windows 7 …

Windows error code 0xc00000e9 is a common Windows Boot Manager error that indicates either a hardware failure or a corrupted system file encountered during the boot process. It appears shortly after the computer starts, but before the Windows login screen, as follows:

An unexpected I/O error has occurred. Error code: 0xc00000e9

What Is Error Code 0xc00000e9?

Error code 0xc00000e9 is a specific boot error code you might see if your PC is having difficulty booting up. Normally after boot up, Windows logo upon booting up your computer, you’ll see a blank screen with a cryptic message such as “The system registry file is missing or corrupt” on it for it to boot/start.

The 0xc00000e9 error is one of the most common Windows error codes since there are a lot of different things that can cause it. As a result, it’s particularly very troublesome to troubleshoot.

In Lenovo Desktop/Laptop:

Lenovo data recovery: Hard drive 0xc000009 boot error

It is similar in HP Laptops, Dell Laptops and others

Hard drive error code 0xc00000e9: Windows failed to load because the system registry file is missing or corrupt.

error code 0xc00000e9 when installing windows 10 can happen sometimes where you can start afresh if nothing important is stored in computer yet.

What Does 0xc00000e9 Mean?

The 0xc00000e9 error code comes in many forms. Because it has so many possible causes, finding out what is causing the error can be frustrating. The text accompanying it can clue you in on what the root issue might be. For example, a message like “an unexpected I/O error has occurred” could mean that the components of your PC, such as your hard drive, have had a momentary “hiccup” and stopped communicating with each other properly. A message like “the system registry file is missing or corrupt” could mean that there are important operating system files that no longer work or cannot be found.

Instructions in this article apply to Windows 10, Windows 8, Windows 7, and Windows Vista.

Windows Error Code 0xc00000e9 recovery screen
Causes of Windows 0xc00000e9 Error Code
The 0xc00000e9 error code always has to do with the boot process for Windows. An I/O error, or input/output error, occurs when the system is unable to access a drive or disk, which means it cannot read or copy data.

There can be many reasons why the error might appear:

  1. Malfunctioning external hardware or PC components.
  2. Damaged I/O ports.
  3. Incorrectly seated components such as a disconnected hard drive that doesn’t make contact with the motherboard.
  4. Improperly configured UEFI, BIOS, or CMOS settings.
  5. Corrupt system files or Windows Registry problems.
  6. Problems with Windows Update.
  7. A boot sector virus or other malware.

How to Fix 0xc00000e9 Errors in Windows 10, 8, 7, and Vista? We can try these steps below in order until the error is fixed?

  1. First is our magic coin method, Reboot the computer. If you can’t log in to your computer, perform a hard reset by holding down the power button until the computer shuts off, then turn it back on. Restarting a computer fixes many problems. If the error continues to occur, do some further analysis to determine the underlying cause.
  2. Disconnect all external devices like external hard drives, flash drives, and other USB devices, then restart the computer. again to see if that fixes it. These external devices can sometime interfere with the boot process some times. if this problem then remove them one at a time to figure out which one is the device is at fault.
  3. Scan Windows for errors. If Windows loads successfully after a reboot, use the built-in Windows Error Checking tool also by command prompt using the chkdsk command.
  4. The SFC scannow command which checks if correct System files are present  on the hard drive.
  5. Boot into safe mode. When Windows doesn’t boot normally, you can often access the operating system in safe mode.
  6. A system restore erases changes made to Windows since the selected rollback date, so back up files that you want to keep.
  7. Disable Windows Secure Boot. The Secure Boot feature can prevent external hardware or software from working with a computer. Temporarily disable it to see if that fixes the problem.
  8. Perform a system restore. If the problem started occurring after you installed a new device or program, use the Windows system restore function to roll back the operating system to a previous state.
  9. Update the drivers. If you’re able to boot into Windows, check to see if all device drivers are up-to-date, particularly those related to I/O ports and storage.
  10. Change the boot order. The boot sequence may have changed if you installed a new hard drive, plugged in an external drive, or connected a USB device. It can also occur when you update the system BIOS. Access the computer’s BIOS or UEFI settings, then make sure the hard drive that Windows is installed on is listed at the top of the boot sequence. Also update the volume boot code to use BOOTMGR. The volume boot code can become corrupted or associated with a boot loader other than the Windows default BOOTMGR. Updating the volume boot code should fix this problem.
  11. Perform a Windows Startup Repair. If you can’t log in to Windows, use a Windows disc or a prepared USB drive that includes the Windows automatic repair tools. A Startup Repair can fix corrupt system files, registry errors, and missing content that sometimes cause this error to show up.
  12. We should scan the PC for malware because it can be a virus which is preventing Windows from booting, use a bootable antivirus tool. Malware bytes or Norton scan can help. Download an antivirus program for Windows on another machine and copy it to a bootable drive. Most of the antivirus tools include a bootable rescue tool that scans a system from a command prompt.
  13. Repair the Master Boot Record (MBR). Similar to the volume boot code above, the Master Boot Record contains data necessary for loading Windows. The MBR tells Windows which drive and partition to use during boot, so repairing the MBR might resolve the error.
  14. Perform a clean install of Windows. Reinstalling Windows overwrites all changes made to the system. As a result, system files that were corrupted or missing are restored to proper working order.
  15. Lastly, Check for component failures. We need look inside the computer for anything that may be loose or disconnected. Do the same for any external devices that caused the error.

Please Note: Don’f forget to check to see if the device has a warranty which can help fix the issue with professional for free.

Above we covered how to fix error code 0xc00000e9 windows 10, Windows 7 code 0xc00000e9:

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  2. error code 0xc00000e9 when installing windows 10
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