Recently many ASUS motherboard users feed back that each time when pc starts up, it arouses”CPU Fan Error”, plus they need to press F1 to continue. These issue motherboards comprise M2N-MX, M2N-VM, and 945GC etc.. The cause of this type of failure is principally because of motherboard unable to discover the rpm of the CPU fans.
Case Fan Comparison
If you suffer this woe, you can correct it by opening the box and analyzing below things:
Incorrect lover link
Because a motherboard features a video card fan interface, a CPU fan interface along with a system fan interface on it, in case the CPU fan’s connectors haven’t attached to the CPU Processor port, motherboard does not have any method to comprehend its fan speed, and that means you must reconnect them.There are different size of case fan, but we will compare 120mm vs 140mm case fan.Today most enthusiasts are 4-pin connectors, but vents of a few CPU Fans simply hold 3-pin connectors, so the connector on top must remain from the port.
Fan speed is too slow.
If the fan is functioning in harsh surroundings, excessive dust will occupy it leading into the fan moving gradually or being out in sequence. This issue mainly occurs when your motherboard was utilized for a time period. You want to place some transformer oil onto the fan after cleansing it.
The fan doesn’t run.
This is most likely because lover’s sensor or motor is broken, and you’ll have to purchase a new fan.
Inappropriate BIOS configurations
If your issue is still there after assessing all aforementioned items, you can try under two approaches.
1. Enter BIOS and assess the very first boot driver, even in case you’ve put it boot from CD-Rom however there’s not any insert disc in the CD-Rom, warning message would also turn up. Now you need to set the initial boot motorist as boot from hard disk drive.
2. Proceed into BIOS, locate CPU Fan Speed, then change N/A into Disabled or Ignored.