*sigh* Yet another problem following a video tutorial.
Is your SD card formatted as exFAT? Because if it is and your console doesn't support exFAT, then it will cause a black screen. The SD card will need to be formatted as FAT32. If its bigger than 32 GB, then it will need to be formatted with a third-party program such as
GUIFormat. And for future reference, a
much better guide can be found here:
https://www.sdsetup.com/
In the video, he was able to enter the Hekate menu meaning his console wasn't patched because it was able to accept the payload.