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HP Probook 4540s
Microsoft Windows 10 (64-bit)

Hi 

I Adil Ahmad Khan from Pakistan.My Laptop Hp Probook 4540s.Got locked it needs login Password at startup which i dont and i didnt set any startup password. And i dont know its default factory password ,i searched on internet there i found that for it i have to reset its BIOS for which i need SMC.BIN file.If anybody have it or have got any idea which can i get that file kindly tell me.

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