The error message differs from the version of the Windows operating system. But the code remains the same. In general, we get to witness “Recovery, There was a problem with a device connected to your PC”. Furthermore, you could read “An Unexpected I/O error has occurred, Error code:0xc00000e9”
Error Code 0xc00000e9: Cause / Reason
- Faulty/damaged hard disk drive (HDD).
- Not properly connected HDD
- Faulty/corrupted USB or DVD used for Windows installation
- Windows updates.
- Corrupted or not-properly configured registry files.
- Outdated PC drivers.
The above list contains the majorly seen reasons that cause the 0xc00000e9 Unexpected I/) error to trigger. There are several methods and we have listed them below one by one resolving one cause at a time. So, let’s get going.