The error message "Unsupported returned from shimx64-cloudlinux.efi" typically occurs during the boot process of a system running CloudLinux when there is an issue with Secure Boot or UEFI firmware compatibility.
Here are some steps you can take to address this issue:
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Disable Secure Boot:
- Enter your computer's UEFI/BIOS settings.
- Locate the Secure Boot option and disable it.
- Save changes and exit.
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Update UEFI Firmware/BIOS:
- Check if there's an updated UEFI firmware or BIOS available for your computer. Installing the latest firmware may resolve compatibility issues.
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Verify Boot Order:
- Ensure that the boot order is correctly configured in the UEFI/BIOS settings. The boot order should prioritize the correct boot device.
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Reinstall or Repair Boot Loader:
- Boot from a CloudLinux installation or recovery media and reinstall or repair the boot loader.
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Check for Corrupted Boot Files:
- There might be corrupted or missing boot files. You can try to repair them using the CloudLinux installation media or recovery tools.
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Contact CloudLinux Support:
- If none of the above steps work, it's a good idea to reach out to CloudLinux support. They may have specific troubleshooting steps or solutions for your particular situation.
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Consider Professional Assistance:
- If you're not comfortable with advanced system configuration, consider seeking help from a professional or CloudLinux support.
Remember, when making changes to UEFI/BIOS settings, always proceed with caution, and if you're unsure about a setting, consult your computer's documentation or seek expert advice. Additionally, ensure that you have backups of critical data before making any major changes to your system.