@191x7
What is your full PC configuration https://nz.pcpartpicker.com/list/t7H8wg
What windows version are you using and are they updated? 11 Pro, up to date
How are your CPU, MBO and GPU temperatures in idle and under load? Excellent
Using the latest Motherboard Bios? F21 Latest non-beta BIOS
Latest chipset drivers downloaded from AMD / Intel? Chipset downloaded from MoBo vendor
Disk drive health OK? Yes
Latest SSD firmwares on the SSD-s? None Available
Latest GPU drivers? Yes
Latest GPU vBIOS / firmware? Yes
RAM running XMP (DOCP)? Tried XMP off? EXPO enabled, now testing disabled
Tested the RAM with Memtest86? In progress
Does the same happen with a benchmark tool like 3DMark? In progress
How about Cinebench R23, Unigine heaven? In progress
Stress test applications work OK (OCCT, Prime95, ...)? No issues w/ gaming or OCCT
Have you done any tweaks like disabling MultiPlane Overlay MPO? None
Does the Windows Reliability Monitor tool show issues? Yes
Do you know the steps to reproduce the issue or what you changed before the issue appeared? No
Do your 3DMark Firestrike and Timespy score differ a lot from other comparable systems? In progress
Have you tried replacing any hardware? No
Tried some of the hardware in another system? No
Tried running sfc /scannow in command prompt / powershell / Termional? No, fresh windows install
Any other troubleshooting steps you've tried? Not yet, here seeking advice & experience w/ AM5 & memory