Hackintosh unable to boot from OpenCore Bootloader. Only Windows Bootmanager Works! Any help please?

I had all setup and, I dont know why but now it only boot from Windows Boot Manager. I have the option for the "OpenCore bootloader", but when i click it into the bios, nothing happen. I had used it without any issues for over than 1 year. I have also tried the usb stick, but it shows, and when i click, nothing happen. How would I fix this?

submitted by /u/crepuscopoli
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