Usually, the error code 0xc00000e9 is caused by a damaged file system, outdated or corrupt device drivers, connecting wires, corrupt Windows system files or due to issues with computer BIOS/Firmware.
Windows error code 0xc00000e9 is one of the common error appear on the users monitor of Windows 10, 8 or 7. In general the PC has difficulty booting up. The common reason it’s about a device (hardware) connected with the PC.
Windows error code 0xc00000e9 is a fairly common Windows Boot Manager error that often indicates a hardware failure or a dangerous system file found during the sneaker process. It appears just after the main computer starts up, but before this Windows logon screen, as shown below: An unexpected I/O error has occurred.
If so, please move it to a better place, thanks! “File: \boot\BCD Status: 0xc00000e9 An unexpected I/O error occurred.” It is also stated that this may be caused by the removal of a removable device during use. At the very top is a bar that says “Windows Manager” is starting up.
Step 1: Login to WinRE. Turn off your computer immediately after pressing the Power button for ten seconds. Now we turn on the PC and when it comes to loading the operating system, we turn off the computer by pressing each of our power buttons again. You need – do it 3 times.
Contact your computer manufacturer to learn how to change your computer’s boot concept. You need to change your boot device to a CD/DVD drive and then run the Windows 7 install disk with the shoe components.
What to do if boot BCD error 0xc00000e9?
If the Boot 0xc00000e9 BCD error is caused by missing or infected system files, you can run SFC and DISM to replace or fix them. SFC (System File Checker) is a really used tool built into Windows that replaces corrupted, lost or altered process files with healthy system files.
Why is my boot BCD saying 0xc00000e9?
Sorry if this is in the wrong thread. If yes, please move it to be better, thanks! “File:\\boot\\BCD 0xc00000e9 Status: An unexpected I/O error occurred” and indicates that this may be because the removable drive was skipped during use. At the top there is a bar that says “Windows Boot Manager”.
What does Ren C \\ boot BCD bcd.old do?
It is used to successfully test commands intended to be fully used on a poorly loaded computer. The ren: c:\\boot\\bcd bcd.old command offered by the system cannot list your files.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.