Check the Hardware. The first step you should take when trying to diagnose this error is to ensure that all hardware is properly connected.
Update System Drivers.
Use SFC and CHKDSK to Fix Corrupt System Files.
Ensure That the Volume Boot Code Is Using BOOTMGR.
Scan for Malware.
Method 1. Run SFC and DISM. If 0xc00000e9 boot BCD error is caused by missing or corrupt system files, you can run SFC
Method 2. Uninstall Incompatible Windows Update. It is possible that status 0xc00000e9 is caused by a problematic
Method 3. Update Drivers. A device driver is a special
Windows computer error code 0xc00000e9 is often a Windows Boot Manager error that indicates either some kind of hardware failure or a corrupted program file that occurred during the boot process. It appears immediately after every boot, but before the Windows account screen, for example: An unexpected I/O error has occurred.
This error is most likely caused by an unreliable or interrupted removable media connection, sloppy or corrupted system files, obsolete tabs, hard drive issues, a problematic Windows update, a virus attack, etc. What is a severe unexpected I/O error? An unexpected I/O error is one of the causes of error 0xc00000e9.
Standard error 0x8000ffff is one of the most common Windows error codes. It refers to various places in the system, not a description of an interesting bug. Error 0x8000ffff is also known as an “unforeseen error” because it can be attributed to a specific corrupted Windows component.
How do I fix error code 0xc00000e9 in Windows 7?
Disconnect all external devices. Indeed, one of the possible causes of the 0xc00000e9 error is poor connection of external detectors. Run a disk check. Check your SATA cables. Change BIOS settings. Restore the Windows 7 system.
How do I fix error code 0xc00000e9 on my laptop?
How to fix error 0xc00000e9 in Windows 8, 10, Helpful and Vista Restart your computer. Disconnect almost all external devices. Scan Windows for misunderstandings. Boot into safe mode. Update most drivers. Run Windows Startup Repair. The PC is scanned for malware. Test your hard drives.
How do I fix error code 0xc00000e9?
how to fix error code 0xc00000e9
- With the gadget turned on, press and hold the F8 key and select Start Trusted Computer Recovery. You need to perform repairs when starting part of the system. With the
- device turned on, press the F8 key and select the Safe Mode option. Try restoring almost all systems.
How do I fix error code 0xc00000e9 on my HP laptop?
how to overcome error 0xc00000e9
Code
- With the device turned on, press and hold the F8 key and select Start PC Recovery. You should start with a Startup System Restore.
- When the technology is enabled, press F8 and select the “Safe Mode” option. Attempt to restore the mechanism.

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.