The notebook turned on but no video, is there another bios available?...

Hello, could anyone unlock this bios of this,
Dell Latitude 5420
motherboard: gdf40 la-k491p Rev 2.0 (a01)
year 2020-11-16
Service tag:3PTFYF3
EX:8091454719
reg type:p137g001
model: p137g
dp/n:8hd6ja00 dp bcc

thanks​...

Hello, could anyone unlock this bios of this dell gdf40 la-k491p rev 2.0 a01? [LEFT][COLOR=#111111][FONT=Arial][SIZE=13px]dell latitude 5420[/SIZE][/FONT][/COLOR][/LEFT]
[LEFT][COLOR=#111111][FONT=Arial][SIZE=13px]placa mãe gdf40 la-k491p[/SIZE][/FONT][/COLOR][/LEFT]
[LEFT][COLOR=#111111][FONT=Arial][SIZE=13px]rev2.0[/SIZE][/FONT][/COLOR][/LEFT]
[LEFT][COLOR=#111111][FONT=Arial][SIZE=13px]a01[/SIZE][/FONT][/COLOR][/LEFT]
[LEFT][COLOR=#111111][FONT=Arial][SIZE=13px]2020-11-16[/SIZE][/FONT][/COLOR][/LEFT]
[LEFT][COLOR=#111111][FONT=Arial][SIZE=13px]etiqueta...

I have the bios edited to disable s400ca ram memory but the equipment and s500ca the keyboard is disconfigured, can anyone help me I'm new here, I can help too, I'm great at electronics, could anyone edit and disable ram memory and then make the numeric keypad work?

hello everything is fine? with you all? Thank you for this, I hope to help you and receive help, I'm great at electronics on a laptop, thank you very much for the opportunity.