No display, CPU light on

[JESUS IS LORD]

Board : ROG STRIX B450F Gaming

CPU : Ryzen 7 1700 or

Athlon 3000g which I borrowed from Newegg to try and fix this problem..

 

Did a bios flash to the latest revision and it seems that it is not compatible with my 1700. So I got the cheapest 2019 processor figuring that would solve the issue and I still have a CPU light with no display or I get a scrambled image photo is below.. That is using the Apu, no display at all with gpu...

 

So I need to flash my bios back without a display or get Ryzen 3000 series chip? Any ideas of how to get it running... PC powers on fine fans and RGB, no display

[Fasauceome]

If the BIOS update borked the motherboard, you'd have to send it in for RMA unfortunately. If it works with neither CPU, you don't have a working board.

[AmannamedJack]

Ok, so I believe that it's probably the BIOS, but I remember I had an issue like that before and i had to remove and place the RAM back into their slots. I doubt this is the issue but it's worth a try.

[JESUS IS LORD]

Bought Ryzen 5 3600 see if it will fix the issue

[JESUS IS LORD]

did not fix the issue ... I tried 3 different Cpus thinking that it might be compatibility with the bios, it turned out the bios is bricked ... I ordered a new board.. The same one ...  If anyone knows how to replace a bios chip and wants a new board let me know