0xc0000001 indicates that there might be some issues with the booting device or some booting files are corrupted. It might also happen if some problem happens with the boot sector of the computer.

Causes of this Error This error has been known to occur as a result of one or more of the following:

  • Cause 1: 0xc0000001 SAM file is damaged –The SAM file stores user credentials and is essential to the Windows booting process. If this file is missing or corrupt, the boot process will halt.
  • Cause 2: 0xc0000001 Boot Failure because of corrupted system files – The key boot-related system files can become damaged because of disk write errors, power outages, or virus attacks. If these errors occur, the operating system may not be able to load and the computer may not be able to start up successfully.
  • Cause 3:0xc0000001 Windows File system integrity compromised. Alternatively, this error appears when the whole file system gets damaged on a grander scale for the same reasons. as above. You can recover from this error state by using a system repair disc, such as the DVD it came with.
  • Cause 4: Faulty RAM (Random Access Memory) -Faulty RAM may cause such issues. Try swapping RAM.

Please follow these steps mentioned below to fix 0xc0000001 error:

Method 1: Remove all external devices

If your computer is not powering on, your first step should be to unplug all external devices. This will help ensure that the power outlet is delivering power to the computer and not an external device. Once you have disconnected all external devices, try to restart the computer by pressing the power button or by unplugging and plugging back in the cord.

Method 2: Startup Repair Windows Recovery Environment

Startup Repair Windows Recovery Environment is a handy recovery environment for Windows. It can help you repair your system without the need for any additional software.

To perform Startup repair on your computer, follow these steps:

  • Insert the media such as (USB or DVD) and restart your computer.
  • Press (F8) before the Windows start screen appears
  • Select “Repair your computer” from the Advanced Boot Options menu
  • Choose Troubleshoot → Advanced options → Startup Repair
  • Follow the on-screen instructions to complete the Startup Repair.

Method 3: If an automatic repair fails, you may try to repair them using these commands through Command Prompt under Advanced Options. Follow the steps:

  1. After you boot your computer using Windows 8 installation media, a black screen appears with gray text Press any key to boot from CD or DVD. Press any key.
  2. Select the correct time and Keyboard type.
  3. Click Repair your computer in the lower-left corner.
  4. Select Troubleshoot from Choose an option screen.
  5. Click Advanced options on Troubleshoot screen.
  6. Click on Command Prompt.
  7. Type these following commands and hit enter after each line of command:
Bootrec /fixmbr
Bootrec /fixboot
Bootrec /scanos
Bootrec /rebuildbcd

Restart the computer and check the issue.

Please reply to us on the status of the issue to assist you further. If the above methods don’t help, we will proceed with further troubleshooting.

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