what does it means secure boot unsupported
Secure Boot is disabled and not working. To enable it, you will need to enter your BIOS and enable Secure Boot UEFI. This will require you to reinstall your windows. (You will need to back up your files before reinstalling because it will wipe the drive). Unsupported. Secure Boot is not supported on this system. One or more devices on your system does not support this feature. You will have to either update the device or upgrade the device to a different device that supports it.