Wont post error code 27
Board: MSI MEG X570 Unify
BIOS as shipped
VGA: Geforce gtx 1660,
PSU: evga 1000 watt g5
CPU: AMD Ryzen 9 5900x
MEM DDR4-3200
HDD/SSD: Samsung 870 EVO SSD \ x2 western digital black (8TB) usb boot disc
COOLER: be quiet! Dark Rock 4
I have replaced the Dimm4s; the video...