Dell Dell dimension bios resets By Andy on Friday, February 10, 2006 Bios’s can be reset in Dell Dimensions using the following obscure key combo – Turn on Caps Lock, Scroll Lock and Num lock. Press Alt-E, Alt-F and Alt-B. The Dell will then reboot with factory defaults. Previous Post Next Post Related Posts Dell OMSA OMSA configuration files – finally posted. Dell OneNote OneNote 2010 webapp now live. Dell Work Quick way to get BIOS information without rebooting