Inserting nvidia rtx 2060 causes error on startup

Here it is, right now I was mining with 1 nvidia rtx 2060 super and 2 radeon rx 580 8gb,
motherboard z490 acer fantom gaming 4,
pentium g5920 cpu,
thermaltake TOUGHPOWER GRAND 80 Plus Gold 1200W psu,
I am booting hiveOS from usb 32gb and everything is working fine.

But today I wanted to insert one more gpu, its nvidia rtx 2060 and on startup I get this error.

and stop here goes no further.
if you have an idea of ​​what it might be, it would be great to know.

Thank you