Errorsdoc reacts to all your computer-related problems with PCs, tablets, Software or apps, printers, Windows or Mac operating systems. Find solutions to your issue from the Q&A section or Ask a question if you cannot find one. How to factory reset Dell laptop settings if you forgot the administrator password? A forgotten password should not become an obstruction on the way! This guide explains how to do a dell laptop factory reset on Windows 10/8/7/Vista, without knowing the admin password.