To update the drivers, start by accessing the Device Manager in the Control Panel. Locate the section for the cooling fan, right-click on the device, and select “update driver” from the drop-down menu ...

1] Does the PSU fan spin on startup? Some users reported that their Power Supply Unit fan spins on startup but stops after some time. Others reported that the PSU fan does not spin even on startup.

Not necessarily... It's probable that the fan in that system is thermostatically controlled by the CPU temp.. Try stressing the system out by encoding some MP3's or something else CPU intensive.. If ...

Some users have complained that their Windows laptop fan keeps running constantly. Even if the laptop is idle, the laptop fan starts running continuously at full speed or high speed with loud noise.