Black Screen after change to Secure Boot

[savic7]

I have a gigabyte b550m k motherboard and after change CSM --> Disabled and Secure Boot Enabled i have black screen ....Everything is needed here, I hope, whoever can help me would be grateful

 

[K7SEM]

Perform Clear CMOS or remove the BIOS battery for a minute and install back

 

[savic7]

Perform Clear CMOS or remove the BIOS battery for a minute and install back

I tried, to do that it automatically returned me to CSM enable....

 

[StViolenceDay]

CSM=off dont like modded VBIOSes.

Yours VBIOS variant is 113-4E353BU-O50, the unmodded one is at https://www.techpowerup.com/vgabios/197940/sapphire-rx580-8192-171120

 

[savic7]

CSM=off dont like modded VBIOSes.

Yours VBIOS variant is 113-4E353BU-O50, the unmodded one is at https://www.techpowerup.com/vgabios/197940/sapphire-rx580-8192-171120

I'll try that version now.

 

[savic7]

CSM=off dont like modded VBIOSes.

Yours VBIOS variant is 113-4E353BU-O50, the unmodded one is at https://www.techpowerup.com/vgabios/197940/sapphire-rx580-8192-171120

That same version ?

C:\Users\Savic\Desktop\New folder>amdvbflash -p 0 RX580.rom
Old SSID: E353
New SSID: E353
older ASIC, vbios is not signed.
Old DeviceID: 67DF
New DeviceID: 67DF
Old Product Name: E353 Polaris20 XTX A1 GDDR5 256Mx32 8GB
New Product Name: E353 Polaris20 XTX A1 GDDR5 256Mx32 8GB
Old BIOS Version: 015.050.002.001.000000
New BIOS Version: 015.050.002.001.000000
Flash type: M25P20/c
40000/40000h bytes programmed
40000/40000h bytes verified

Restart System To Complete VBIOS Update.

 

[savic7]

CSM=off dont like modded VBIOSes.

Yours VBIOS variant is 113-4E353BU-O50, the unmodded one is at https://www.techpowerup.com/vgabios/197940/sapphire-rx580-8192-171120

Man,you saved my life....I've been messing with this for a year and I can't figure out what it's up to, I've tried many versions of VBIOS and it didn't work, this version finally works... Thank you very much