Turn on your computer and then press and hold the F8 key as soon as the Dell logo appears on your screen. This will take you to the advanced boot menu options. Select the Repair your computer option, ...

First of all, you need to boot into BIOS by pressing the “F2” key repeatedly at the Dell logo screen to enter BIOS. Finally, ... Factory reset Dell Laptop without password.

I have just purchased a used dell Optiplex 755. To my surprise when I first booted the machine I noticed on the boot screen where it has the large word DELL and shows the bios number, at the top ...