First, enter the BIOS by selecting bios setup.
Dell laptop BIOS settings in some models of this product are such that to install Windows and use applications under the boot, you need to use a disk or flash memory containing UEFI files. Of course, you can also press boot menu key to choose the USB drive as the one-off boot device. Way 3: Reset BIOS Password Dell laptop by CMOS Jumper Near the cell of motherboard, you can see it is a three pins fan connector. Under the Boot menu, use the arrow key to scroll to "Boot Option 1" and then use -/+ buttons to alter the drive. On newer servers, you only need to press once when you see the Dell Splash screen. If this will not work, then you can try F11,F10. You can press the “F2” or “F12” key to enter most of the boot menu of Dell laptops and desktops.
The issue: Dell laptop stuck in boot loop.This boot device menu is accessed once you’ve already entered into the BIOS or UEFI setup screen.However, the Dell boot menu key, as well as the BIOS key for some older Dell computers, maybe “Ctrl+Alt+Enter”, “Del”, “Fn+Esc”, “Fn+F1”. Leave the USB plugged into your computer for later BIOS update operation.The bios is A04, the admin password is lost and I need to boot to CD to reset the password with my USB cd rom and it won't boot to it.You will then be able to get into your Venue 11 or 8’s uEFI BIOS.The maximum prompt timeout is 10 seconds Computer and motherboard manufacturers and BIOS suppliers may use varying keyboard keys or key combinations that can be pressed during system post to access your system BIOS.