Bios update caused reboot loop (b450m pro/ryzen 3

Try what ThreeDee suggested and when you clear CMOS follow this little guide:
http://forum.asrock.com/forum_posts.asp?TID=630&title=how-to-clear-cmos-via-battery-removal

If that doesn't get you up and running again contact ASRock Tech Support here:
https://event.asrock.com/tsd.asp

I'm not very advanced with computers obviously though I did build my current system. B450mpro with ryzen3 Picasso.

Unfortunately I've been having sound issues and a dpc latency monitor told me to update the bios.

I tried updating from 4.3 to 4.9 today with a flash drive. It said the programming was successful but when I pressed enter to reboot it wouldn't boot up. I get the blue power light for 10 seconds then it turns of and on again ad nauseum. No boot screen at all.

I tried clearing cmos by taking out the battery and also putting a dime on three clearcmos pins on the motherboard but no luck.

Does anyone have any ideas or am I stuck sending the motherboard back to as rock as an rma?

Thanks.