Or, press the Alt+F key to load default … › Url: Dell. I dropped into the bios, audio section and headphone and speaker output are all checked as on. Restoring a computer to its factory settings will delete all personal files: music, movies, pictures and any installed software applications or drivers that were not included in the original configuration of that computer.
Second: Went to the BIOS screen, pressed the Restore Settings button (at the right bottom of the screen) Third: Marked the BIOS Defaults line in the Available Configurations screen. After restoration, the os appears to you just like the first time you see it when you get your machine from the store and all your personal settings, saved data
