How recover factory setting the dellxps m1530 i had tried f8 but forgot the user

[narbada]

how to recover xps m1530....and i dont know what to type at usename and passwaord afrter pressing f8 i have tried so many still dont match it

 

[WR2]

Hello narbada;

You'll need to contact Dell Support to get past that security feature:

LOCKED OUT OF YOUR LAPTOP ?