Bios samsung book e30. how to clear region

[Rogério Carvalho Tavares]

I need help how to clean this area. video please. If you can clean it I would appreciate it

ALLROUNDER2-15_INT -- Rev1.1 --- BA41-02814A

 

[ALI SHAIKH]

HI SIR PLZ BIOS UNLOCK
HP ELITEBOOK 840 G9
6050A3417601-MB-A01

 

[ALI SHAIKH]

HI SIR I NEED FILE URGENT PLZ