Updated my Strix X670E-E with 2506 and Power down is still enabled with MCR, no instability issue to report on my end.

Strange. I already tested with Karhu, OCCT, and TM5 each for 24h with no error. Could it be an instability due to context restore ? This behaviour only happened once till now.

Hi there, Today just after POSTing there was a message on screen stating the BIOS updated Hydranode and not turn off the computer. The same kind of message as when LED firmware is updated just after a BIOS update. Except the BIOS was installed almost...

Thank you, will give it a try

Thank you a lot for your reply. I'm going to flash again and try to apply your advice.