Unlock Bios Password DELL precision 7520

[user24188]

Hi bios is locked and dont know password

please clean the file for me
if u need service tag i can provide
many thanks

 

[Vahab Hemmati]

send full service tag

 

[user24188]

9980303690 EXPRESS SERVICE CODE

 

[user24188]

Support für Precision 7520 | Überblick | Dell Deutschland

 

[Vahab Hemmati]

9980303690 EXPRESS SERVICE CODE

this is the not service tag for password
send a photo from password screen

 

[user24188]

Service Tag: 4L20JM2

 

[user24188]

here is back of unit

 

[Vahab Hemmati]

i said photo from password screen on monitor