Hello All, Can you help me please to unlock Samsung NP500P4C BIOS? I want to unlock/unhide the advance tab. My current BIOS version is P08RAB, I have two backup files, one was backed up by the Universal BIOS Backup ToolKit 2.0m and the other using WinFlash. here is the link rgho.st/7tjlBTSlm Thanks in advance, Yazeed