The most likely cause is the fan has developed a fault. It may be spinning slowly or have stopped spinning due to wear and tear. The fans have a speed sensor, so its possible this has stopped working.
CPU_FAN and CPU_OPT are entirely different and serve distinct purposes in the context of a computer cooling system. CPU_FAN or CPU Fan Header is the primary 4-pin fan header on a motherboard, and it ...
The FPS Review on MSN
ASRock Addresses AMD Ryzen 9000 Series CPU Boot Issues with New 3.20 Beta BIOS for AM5 Series Motherboards
(PR) ASRock, a global leader in motherboards, graphics cards, mini PCs, power supplies, and gaming monitors, has observed ...
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