Let me throw in what I have experienced before though not with GG MoBo then.

A. Check if your power supply is enough. Yours is 500W, maybe you are using close to 500W and sometimes exceed that causing the SD? Reduce power usage over a day and see if it still shuts down.

B....

Noted and thanks.

I did my first FW update about 2 years ago and I cannot recall all the details now. It was a scary event for me, the brick scenario was in my head. Ha.

I want to do another FW update as mine is now a few FW behind, mainly for the security updates.
...

I need some guidance here. Using B550 Vision DP with F15. I want to update the FW to the latest F17.

To update the FW, is it mandatory to disconnect the NVmE which I am using as my data drive? Understand that no pen drive should be connected except the one with FW in the flash USB.
...