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 ...
XDA Developers on MSN
Your motherboard's tiny fan header can do way more than cool your CPU
It's pretty cool, yanno?
Use the following solutions if your CPU fan is not spinning but you get no display on your Windows computer, use the solutions provided below: Preliminary fixes Reset BIOS by clearing CMOS Reseat CPU ...
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