I have had a computer store build my pc, fans have been purchased after .
first time installing fans
Asus Tuf Z490 MoBo +WIFI
i7 10400 intel
Noctura NH-U12A 120mm CPU cooler
Msi Geforce GTX 1650 D6 Gaming X GPU
2x8 Corsair Vengeance LPX 3200MHz DDR4
Antec VP700P plus power supply
1 external fan
2x brand new Cooler Master MF120 Halo white RGB fans- using at front of case for intake
PC up and running have bought the 2x halo fans recently, have installed both at the front for intake.
Fan1 have plugged 1x 4 pin connectors into CHA_FAN2 on Mobo
Fan 2 have plugged 1x 4 pin connectors into CHA_FAN3 on Mobo
Not running - Checked Bios doesn't seem to recognizing them
clearly I'm doing something wrong please help
Thank you in advance.