Reset Windows 8 & 8.1 to Factory Default Settings [HD ...
PackardBell:PressandholdtheALTkeywhilepressingrepeatedlytheF10key.ReleasethekeyswhenamessagedisplaysthatWindowsisloading ...,LearnabouttherecoveryoptionsinWindows.FindouthowtoresetyourPC,gobacktoapreviousversionofWindows,orusemediatoreinstallWind...。參考影片的文章的如下: