In the link below you can do the payment to buy the code for unlocking Bios or Hard-Drive password for your laptop Dell Inspiron 15 5000 (En el...
Dell Inspiron 15 5000 LA-B015P ZAVA1 ZAVC1 r10 schematics
Dell Inspiron 15 5000 Series 5452 (P51F)(P51F005) _AAL14 LA-C571P Rev 1.0 (A00) bios