many thanks
@CaseySJ for this thread and the detailed descriptions!
I have a very similar build and problems with sleep mode. I have been looking for hours for solutions, replugging components, trying out various configurations, etc. I'm hoping someone here can help me.
When I try to go into sleep mode, it takes about 20-25s and then the system turns off completely (all LEDs on the board go off). Afterwards I can only reboot the system by pressing the power button on the case several times. The board then makes a cold double boot (on off on) and boots afterwards like after a normal hutdown.
pmset -g log | grep -I failure shows...
"Failure during sleep: 0xFFFFFFFF0000001F : EFI/Bootrom Failure after last point of entry to sleep"
I have observed it a few times that the system successfully went into sleep mode. In this case the LEDs from the board stay on and I can successfully wake up the system by pressing a key. I have observed these successful cases without having made any changes to the hardware or software configuration before. But it also happens very rarely.
My system: i9-10900K, Z490 Vision D, SAMSUNG 970 EVO Plus NVMe M.2 2 TB, Fenvi T919, Radeon 5700 XT.
Devices connected to the internal usb headers: Fenvi T919, Kraken X73, NZXT Usb Hub, NZXT Smart Device, Corsair Lightning Node Core. Today I tried to unplug the Fenvi T919 as I saw that
@dranose seems to have a similar problem and said it helps. Afterwards the system did not go into sleep mode at all anymore (it didn't turn off at all).
I also tried to disconnect all devices except the Fenvi T919 and the Kraken X73 from the two USB headers. Unfortunately, this also had no positive effect. The behaviour has remained the same.
One difference to other systems here seems to be that I use a second NVMe M.2 1 TB SSD exclusively for Windows. I'm not sure it's relevant. The SSD is located in the M.2 slot above the SSD for macOS.
Can anyone help me figure out how to proceed?