Need OK bios . Laptop no display ,CPU Core volt not available others volt available. POwer supply load-0.100ma. Orginal bios unavailable .Then i download bios in google TELIGRAM matching same motherboard part number . THen i only change ( BIOS Guard -16mb + New ME region ) bios guard + ME take from Dell website by Service Tag search . AFter creat a new bios using FITC tool and write bios after Laptop display ok but no service tag model all are emty _ DMI . colling fan full speed speening and type keybord beeping then F2 press type Service Tag number and absolet disable and save restart then laptop...

Plz help some one. Latittude 3520 orginal bios some one removed. Now i am try different type of bios not work no power . Some same motherboard model bios just Clean Me then write its no power. also try same board just Bios passwrd then Clean ME but No powe . If i download from dell website creat new me and bios region . Laptop work but no DMI everythin fan full speed and keybord beep problem then i F2 press ST and absolet disable and save restart then laptop not turning on. Can any one help me. ST-G3CJRL3 , i7_11th Gen, CPU sn- X216N305 SRK02.