If you see the error code 0xc00000e9 in your computer, don’t panic. This is one of the common errors in Windows 10, 8 and 7. The good news is, there are solutions you can try to fix the error 0xc00000e9.

How can I fix the error code 0xc00000e9?

Here are the solutions for you to try. You don’t need to try them all; just work your way down until it fixes your error 0xc00000e9.
  1. Check your hardware compatibility
  2. Change your BIOS settings
  3. Update your drivers
  4. Run a disk check
  5. Fix the MBR with Windows PE
Note: You’ll need to be logged into Windows on the problem computer to try solution 3 and solution 4. If you can’t log into Windows, power on and off your PC 3 times to perform a hard reboot and restart it in Safe Mode, then try the solutions.

Why does 0xc00000e9 occur to my computer?

The error code 0xc00000e9 is generally a hardware error pretaining to your BIOS settings. If you are seeing this error, generally it’s because your computer can’t communicate with the hard drive. Another cause is the SSD (Solid-state drive) issue when installing Windows.

Solution 1: Check your hardware compatibility

If you have some external devices connected to your PC, such as the external hard drive or a USB flash drive, disconnect them all (leave your mouse and keyboard connected), then restart your computer. If the error stops, plug your external devices back, only one at a time, then restart your PC. If you get the error again after connecting certain device, you can identify the issue now. You can either replace this device completely from your PC, or update its driver as instructed in solution 3.

Solution 2: Change your BIOS settings

You can try to boot your computer with the hard drive to fix 0xc00000e9. Follow the steps below: 1) Shut down your computer, then press the Power button to boot your computer. 2) Press and hold the button to enter the BIOS setting, generally the ESC, F2, F12 or Delete key (please consult your PC manufacturer or go through your user manual).

3) Once you’re in the BIOS Setup Utility screen, go to Boot options.

4) Once you’re in the Boot options, make sure the first boot device is your hard drive. You can press the arrow key to highlight the hard drive and move it to the top of the boot device list.

5) Save your changes, and reboot your computer. This should fix your problem.

Solution 3: Update your drivers

The driver problem can also cause the error 0xc00000e9, because the hardware can’t communicate with the software if there’s something wrong with drivers. You should verify that all your devices have the right and latest drivers and update those that don’t.
Note: Before updating drivers, you should boot your computer in Safe Mode with Network. (You can check this article for more information about how to enter Safe Mode.)
Manual driver update – You can update your drivers manually by going to the manufacturer’s website and searching for the most recent correct driver. If you don’t have the time, patience or computer skills to update your drivers manually, you can, instead, do it automatically with Driver Easy. Automatic driver update – Driver Easy will automatically recognize your system and find the correct drivers for it. You don’t need to worry about making a mistake when installing. You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version it takes just 2 clicks (and you get full support and a 30-day money back guarantee): 1) Download and install Driver Easy. 2) Run Driver Easy and click the Scan Now button. Driver Easy will then scan your computer and detect any problem drivers. 3) Click the Update button next to all flagged devices to automatically download and install the correct version of their driver (you can do this with the FREE version). Or click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system (this requires the Pro version – you’ll be prompted to upgrade when you click Update All).

4) Restart your computer and see if the error 0xc00000e9 disappears.

Solution 4: Run a disk check

The error 0xc00000e9 can be caused by the disk problem. You should make sure that your disk works properly. 1) Boot your computer into Safe Mode. (You can check this article for more information about how to enter Safe Mode.) 2) In the search box on your desktop, type cmd. Then right click Command Prompt (right click cmd if you’re using Windows 7) and click Run as administrator. Then click Yes to confirm.

3) Type chkdsk /f /r, then press Enter on your keyboard. 4） Press Y on your keyboard.
Note: Disk check will start the next time you boot your PC and it might take some time to complete. If you don’t have time to wait for the disk check to complete when restarting your computer, you can skip it or schedule it again.

Solution 5: Fix the MBR with Windows PE

The error 0xc00000e9 can occur when you install Windows without setting the Master Boot Record (MBR), so you should set your C drive as the MBR to fix 0xc00000e9.
Note: This is a complicated and difficult process. You should attempt it only if you’re confident in your computer skills.
1) Connect the hard drive or external drive with the Windows PE to your computer. 2) Launch Windows PE, and set your C drive as your Master Boot Record. 3) Reboot your computer to reinstall Windows to see if the problem is solved. That’s all there is to it. Hope the solutions help you through. If you have any idea, feel free to comment below and let us know.
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