-Motherboard Manufacturer and Model : HP 15-ac100 series -Bios Revision :F21 REV 5.0 -Bios Type : Insyde -Bios SLIC : - -Bios Link :hp.com/pub/softpaq/sp76001-76500/sp76219.exe Hello , I have tried to create a custom version of my Bios but I had failed . Please , if it is possible upload a custom or unlocked ver of this Bios.