Since I update my Windows 10 20H2 everytime I start my PC, this message appear and I can not even press F10 to disable Bios check as recommended by friends , only F1 to boot the sysem: 512-VRM Chassis Fan not detected. F1: Boot
I checked my chassis Fan, it work well.
I install speedfan software and find out:
Fan1= 1053 RPM
Fan2= 995 RPM
Fan3= 0 RPM
GPU Fan: 1351 RPM
So I don't know what happen! everyime I boot the system with F1, it work fine, core temp is OK: too: Core 0 toCore 3= 28C.