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HP Pavilion Elite HPE-480t CTO Desktop PC

Hi, thanks to @NonSequitur777 I was able to get the BIOs file to update the motherboard with! Thank you again for that.
However, I'm experiencing a new issue where my fans are not detected by software. I can't find any settings for the fans in the BIOs. I downloaded an application called "FanController" to see if my fans were recognizable by software, but only my GPU fan could be controlled. All of the fans in the system, to my knowledge, are spinning. There is one case fan, one CPU fan, and one GPU fan. The CPU fan is plugged into the 4-pin CPU fan header, and the case fan is plugged into a 3-pin header with something like "SYS_FAN 1" written next to it. Just above that header is another fan header that says "CHASSIS_FAN". I'm not sure what the difference is, but the color of the SYS_FAN header matches the cable coming from the case fan, so I plugged the fan in there. All fans are attached to the motherboard, not the PSU.

Every time I boot the system, I still get the "System Fan Error" message, as per my last post. I checked my temperatures with HWMonitor and all of my temperatures look fine, so I feel like the problem is that the fans are just not recognized. Is there anything I could do to get rid of the "System Fan Error" message? Thanks!

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