If you need to flash your BIOS and your computer does not have a floppy drive, there are a couple options you could try to accomplish this task.
If something goes wrong, this might cause permanent damage to your BIOS and you might lose your warranty.
Flashing motherboard BIOS is a dangerous activity that can render your motherboard inoperable!
You should know your motherboard and have any necessary BIOS files available.
There are a number of different ways to create a bootable USB Flash Drive.
One way is to use the Dell Diagnostic Deployment Package (DDDP).