[Request] Lenovo G500s Bios Unlock

Hello,

i want to use my mPCI-E Wificard Slot to use an external GPU

for this i will need to unlock/disable the Whitelist of my BIOS First

Here is my Data:

Lenovo G500S 

System Model: 20245

System-SKU: LENOVO_MT_20245

BIOS Version: Lenovo 7BCN38WW (V2.04), 10.12.2013

Type: Insyde BIOS /ACPI 2.0

Rom File [Bios Backup Tool 2.0]

Looking forward for some help and instructions
Best regards!