x570 aorus elite Fan not working

[B00tLoad_]

So, I built a new PC after my old PC broke down, and it does post.

The problem however is, that the intake fan which is connected to the SYS_FAN_2 header doesn't spin. the other fan does spin (connected to the SYS_FAN_1 header).

When I switch the connections, (in -> fan_1, ex -> fan_2) the intake fan spins, the exhaust fan doesn't. ==> The one connected to SYS_FAN_1 works, the one connected to SYS_FAN_2 doesn't.

Also the BIOS doesn't show the fan connected at SYS_FAN_2.

 

This to me pointed towards a faulty header at first, but I got a replacement from the vendor and it has the same problem. I made a bios update to the most recent version.

Is this a known problem with this mainboard or do I have very bad luck getting 2 faulty ones in a row? Or is there a BIOS-setting I didn't see?

 

If it's a known problem: Do you have recommendations for another mainboard at around the same price tag?

 

The specs I think are important are:

• Mainboard: Gigabye x570 Aorus Elite (BIOS version F31, latest)
• CPU: AMD Ryzen 5 3600 (with the included boxed cooler)
• BeQuiet Dark Power Pro (750W 80+ gold)
• BeQuiet Pure Base 500 (with included Fans)

The other specs, if I forgot something:

• OS: Windows 10 Ultimate 64 bit
• 2x16GB Corsair Vengeance RGB Pro RAM (3200MHz XMP profile 1)
• Some GeForce GTX 750 TI (forgot the integrator tbh)
• Samsung 970 EVO 500 GB boot drive
• 3 SanDisk SSDs and 2 HDDs

Thanks in advance for any help.