What Is ‘Unable To Boot Error 0xc00000e9’ & How To Resolve It [8 Tested Solutions]

Windows Error Code 0xc00000e9 is probably one of the most common errors in Windows 10, 8, 7. However, the good news is it’s effortless to get rid of it.

What Does Error Code 0xc00000e9 Mean?

It’s a common Windows Boot Manager Error that indicates a sudden hardware failure or your system is struggling with corrupted system files during the boot process. Instead of the familiar Windows logo upon booting up your system, you’ll see a blue screen with a message “There was a problem with a device connected to your PC. An unexpected I/O error has occurred. Error Code: 0xc00000e9” 

What Are The Possible Causes Of Windows Error Code 0xc00000e9?

Well, apart from hardware failure or corrupted system files, there can be several other things that can trigger the issue. Since the error code 0xc00000e9 always has to do with the boot process for Windows, following are some of the reasons for encountering the same:

• Damaged I/O Parts
• Disconnected hard drive unable to make connections with the motherboard
• Improper configured BIOS, UEFI or CMOS settings
• Damaged Windows registry
• Faulty Windows update
• Boot sector virus
• Bad installation media

To Fix Windows Error Code 0xc00000e9 On Windows 10?

Make sure you try these workarounds in sequence to get rid of the annoying BSOD Error on Windows 10.

Workaround 1 – Reboot Your Windows PC

Perform a hard drive reset (holding up the Power button until your PC or laptop shuts down completely) & turn it ON again. This should probably work when you aren’t able to log into your computer and stuck with error code 0xc00000e9.

Workaround 2 – Disconnect External Devices

Well, sometimes, removing the peripheral devices, connecting them again correctly, and restarting the computer helps in resolving most of the common Windows 10 BSOD errors. So, you can try it to resolve the 0xc00000e9 error as well. Doing so will remove the external devices such as hard drive, flash drive, USB devices from creating unnecessary interference at the time of the botting process.

Workaround 3 – Run Windows Error Checking Tool

Running a simple command-line can also help you to check and repair common hard drive and system errors for problems. To run the automatic Windows error-checking tool, all you have to do is – Launch Command Prompt > Run as Administrator > Type SFC /scannow > Hit Enter. Let your system begin scanning for corrupted system files and repair them automatically.

Workaround 4 – Boot Into Safe Mode

Well, if your system doesn’t boot correctly, you can certainly access your PC by entering into Safe Mode. It’s a lightweight operating system with minimal drivers and resources. If you can boot with Windows 10 Safe Mode, you can try lots of troubleshooting ways to get rid of the error code 0xc00000e9.

Workaround 5 – Update Essential Drivers (Recommended Way)

Running updated and latest device drivers not only significantly improve your system performance, but it also ensures the smooth running of hardware & software installed. Since keeping track of all the drivers can be a tricky and time-consuming process. We suggest using a dedicated driver updater utility for the purpose, like Smart Driver Care. It can certainly help you find & update all the drivers at once from official manufactures. Remember to update drivers for I/O Ports & Storage for sure. To read more about its benefits, read the complete review!

Workaround 6 – Run Startup Repair

Running a quick Startup Repair can undoubtedly help you locate and fix common registry errors or missing files that can hamper the overall Windows performance and triggers common BSOD errors & one of them is 0xc00000e9. The method would work, when you can’t log into Windows, so you have to follow the process to run Startup Repair: Boot your PC using a setup disk (USB/DVD/CD) > Repair your Computer option > Troubleshoot > Advanced Options > Start-up Repair. Wait for the utility to scan & fix known issues.

Workaround 7 – Changing BIOS Settings

Making certain alterations in BIOS Settings can also help you to quickly get rid of the annoying Windows 10 error code 0xc00000e9. Follow the steps carefully: Turn off PC > Boot it using the Power button > Press the appropriate key to enter the BIOS Setting (It can be F12, F2, ESC or Delete) You can check your user manual to find the correct key for your device. Go to Boot Options > Set the hard drive as your primary boot device > Move it to the top of the list (using arrow keys) > Save changes & Restart your system to implement the new alterations.

Workaround 8 – Use System Restore Point

Well, if you are someone who follows the exceptional good practise to regularly back up your system using the built-in tool System Restore Point, then getting rid of this annoying error 0xc00000e9 would be super-easy for you. Having a Restore Point means you can quickly roll back to the previous state of Windows when everything was snappy & working usually. Follow the steps: Launch System Recovery Mode > Advanced Recovery Options > System Restore > Select the Restore Points which is required > press Next. You can further follow the on-screen instructions to complete the system restoration process.

Hope this article was helpful enough to resolve the annoying Windows 10 error code 0xc00000e9. Do not forget to Upvote & Share the troubleshooting guide to help your friends & colleagues struggling with standard Windows Errors.